Searching for "F4901 11A 24V" identifies two distinct types of products depending on whether you are looking for a automotive part or a specific electronic component within a circuit. 1. Electronic Component: F4901 Polyswitch
In the context of 24V electronics, "F4901" often refers to a Polyswitch (Resettable Fuse) used in laptop motherboards and power management circuits.
Function: It serves as a circuit protection device, rated for approximately 1.1A (often misread as 11A) and 24V.
Schematic Example: In a Dell Inspiron N5110 motherboard schematic, component F4901 is documented as a POLYSW -1D1A24V-GP-U.
Circuit Role: It is typically found near the LCD power connector to protect the backlight or display power rail from overcurrent. 2. Automotive Part: Toyota/Lexus #F4901 Series
The alphanumeric string "F4901" is also a common suffix for various genuine Toyota and Lexus body components. These do not have "electrical schematics" in the traditional sense, but rather explosion diagrams for assembly: Radiator Grille: Part #53111-F4901. Rear Bumper Cover: Part #52166-F4901. Back Door Garnish: Part #76812-F4901. 3. Generic 24V 11A Power Supplies
If you are looking for a schematic for a 24V 11A power supply unit (PSU) itself, there is no single "F4901" model widely recognized by that name for a standalone PSU. However, you can find similar open-source or reverse-engineered designs for high-current 24V switching power supplies (SMPS) on platforms like DANYK.CZ, which features schematics for 240W (24V 10A) industrial units.
Are you trying to repair a specific device (like a laptop or printer) or looking for a standalone 24V power supply module? Provide the brand or device name for more targeted circuit help. Rear Bumper Cover Upper Left Hand Without Color
The reference F4901 (often paired with 1.1A 24V) refers to a specific surface-mount Polyswitch resettable fuse (PTC) commonly found in Dell and Lenovo laptop motherboards, particularly around the USB or LCD power rails.
The full part specification is typically POLYSW-1D1A24V-GP-U, indicating a 1.1A hold current and 24V maximum voltage. Schematic Context & Usage
In motherboard schematics (such as the Dell Inspiron N5110 or N4050), F4901 is usually located near the:
USB Ports: Serving as overcurrent protection for the 5V USB power delivery.
LCD Connector: Protecting the backlight or logic power rails. Where to Find Motherboard Schematics
Since this part is an internal component of a larger circuit, you can find its implementation by searching for the motherboard model it is installed on. Common models using this part include: Dell Inspiron N5110 / M5110 (Wistron Queen 15 platform). Dell Inspiron N4050. Lenovo ThinkPad Edge E420 (LLW-1 platform).
You can view or download these schematics for free or via subscription on platforms like: Scribd (Search for "Dell N5110 Wistron Queen schematic"). LaptopBlue.vn. Informatica Napoli.
Are you trying to replace this fuse on a specific laptop model, or Sandy Bridge Discrete/UMA Schematics | PDF - Scribd
The request for an F4901 11A 24V schematic likely refers to a high-power switching power supply (SMPS) or a specific industrial controller board. While a direct "free" schematic for a proprietary model like the F4901 is not readily available in public databases, you can find highly relevant technical documentation and similar designs through professional electronic resources. Where to Find the Schematic Specialized Repositories : Sites like Elektrotanya
often host service manuals and circuit diagrams for power units and industrial boards. Datasheet Catalogs
: If "F4901" is the main IC (Integrated Circuit) within the unit, you can find its internal schematic and typical application circuit on AllDatasheet DatasheetCatalog Manufacturer Portals
: For precise industrial specs, checking the official site of the component manufacturer (e.g., Texas Instruments, STMicroelectronics) is the most reliable way to find reference designs for 24V 11A outputs. Typical 24V 11A SMPS Architecture
For a power supply with these specifications (approx. 264W), the schematic generally includes: EMI Filter & Rectifier : Filters incoming AC and converts it to high-voltage DC. PFC (Power Factor Correction) Stage : Common in units over 75W to improve efficiency. PWM Controller
: The "brain" of the circuit that regulates output via high-frequency switching. Power MOSFETs : Large transistors that handle the 11A current load. Secondary Rectification & Filtering
: Uses Schottky diodes or synchronous rectification to provide the stable 24V DC output. Safety Warning
Repairing or building a 24V 11A power supply involves high-voltage "hot" chassis grounds. It is critical to use an isolation transformer
during testing to avoid electrical shock or catastrophic component failure. specific manufacturer of this F4901 unit to narrow down the search? Power Supply Schematic Diagram | PDF - Scribd
The keyword "f4901 11a 24v schematic free" likely refers to a specific power MOSFET, such as the NTMFD4901NF or NTLLD4901NF from onsemi. These components are high-efficiency N-Channel MOSFETs commonly used in 24V power delivery systems, including automotive and industrial DC-DC converters.
Below is an in-depth guide on the F4901 series specifications, its role in 24V circuits, and how to implement it in your designs. 1. Understanding the F4901 MOSFET Series
The "F4901" designation typically points to a family of power MOSFETs designed for low-voltage, high-current switching.
Voltage Rating: Designed for systems like 24V rails, though the peak drain-to-source voltage ( VDSScap V sub cap D cap S cap S end-sub ) is often rated at 30V to provide a safety margin.
Current Capacity: The "11A" in your search refers to the continuous drain current ( IDcap I sub cap D
). For example, the NTMFD4901NF supports around 13.5A in steady-state conditions at room temperature. Low
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub
: These MOSFETs feature extremely low "on-resistance," which minimizes power loss as heat during operation, making them ideal for compact electronics. 2. Key Specifications (Example: NTMFD4901NF) Drain-to-Source Voltage ( VDSScap V sub cap D cap S cap S end-sub ) Gate-to-Source Voltage ( VGScap V sub cap G cap S end-sub ) ±20plus or minus 20 Continuous Drain Current ( IDcap I sub cap D ) 13.5 A (Steady State) Pulsed Drain Current ( IDMcap I sub cap D cap M end-sub ) up to 60 A Power Dissipation ( PDcap P sub cap D ) 3. Implementing the F4901 in a 24V Circuit
When designing a schematic with the F4901 for a 24V application, the MOSFET acts as a high-speed switch. Basic Switching Schematic Principles
Load Placement: Connect the load between the 24V positive supply and the Drain (D) pin.
Grounding: Connect the Source (S) pin to the common ground (GND).
Gate Control: Apply a voltage (typically 5V or 10V) to the Gate (G) pin to turn the device "on." Protection: Gate Resistor: Place a resistor in series with the Gate to prevent oscillation. Pull-down Resistor: Add a
resistor between the Gate and Source to ensure the MOSFET stays off when no signal is present.
Flyback Diode: If switching an inductive load (like a motor or relay), place a diode (e.g., 1N4007) across the load to prevent voltage spikes from destroying the MOSFET. 4. Visualizing MOSFET Performance
A MOSFET's behavior is defined by its I-V characteristics. Below is a conceptual graph showing how the Drain Current ( IDcap I sub cap D ) increases as the Gate-to-Source Voltage ( VGScap V sub cap G cap S end-sub ) rises past the threshold voltage ( Vthcap V sub t h end-sub 5. Troubleshooting Common Issues Overheating: If the MOSFET is too hot, check if VGScap V sub cap G cap S end-sub
is high enough (at least 10V for full saturation). If it’s in the "linear region," it acts like a resistor and generates excessive heat.
Slow Switching: High gate capacitance can slow down the "on/off" transition. Use a dedicated MOSFET driver IC if you are switching at frequencies above 10 kHz. Voltage Spikes: Ensure your 24V supply is decoupled with a capacitor near the MOSFET to handle current surges. fqs4901-d.pdf - onsemi
A 24V 11A relay acts as an electromagnetic switch that allows a low-power circuit (like an ignition switch or engine control unit) to control a high-power load (like a fuel pump or heavy motor).
Coil Voltage: 24V DC (Standard for trucks and industrial machinery). Contact Rating: 11A (Rated current the switch can handle). Typical Pin Configuration (4-Pin SPST): Pins 85 & 86: Coil terminals (Trigger). Pin 30: Common/Power Supply (High Current). Pin 87: Normally Open (Output to Load). 2. Schematic Connections f4901 11a 24v schematic free
A standard schematic for this relay configuration involves the following paths: Control Loop (Trigger):
Pin 86: Connected to the +24V ignition source or ECM signal. Pin 85: Connected to the ground or chassis. Power Loop (Load):
Pin 30: Connected to the battery positive terminal via a fuse (typically 15A-20A for an 11A load).
Pin 87: Connected to the positive wire of the fuel pump or motor.
Load Ground: The return wire from the device must be bolted to a clean metal ground on the body or chassis. 3. Wiring Best Practices 24VDC coil relay schematic - Arduino Forum
While there is no single industrial component universally known as the "F4901 11A 24V"
, this specific combination of identifiers often appears in the context of
replacement parts for automotive systems or power-related circuit boards
, particularly in Dell laptop internal schematics or specialized automotive controllers. Possible Interpretations of "F4901"
Depending on your project, the term "F4901" likely refers to one of the following: Motherboard Fuse (Laptop/Small Electronics) In many laptop schematics (such as the Dell Inspiron N5110 is the reference designator for a
. These are often surface-mount fuses protecting the backlight or power delivery rails (typically rated for 1A–3A, though your "11A" query may refer to a high-current main fuse or a different board revision). Automotive Part (Toyota/Ford) : The part number suffix
is used for various exterior components like bumper covers and radiator grilles.
: It appears as a stock or project number for specific restomod vehicles (e.g., a 1950 Ford F1). Industrial/Tractor Component
is associated with specific assembly torque settings or planetary gear components in Fiat tractor service manuals Generic 24V 11A Schematic Resources If you are looking for a 24V 11A power supply or motor controller schematic
(approximately 264 Watts), you can find standard reference designs for similar power levels here: SMPS (Switching Mode Power Supply) : A 24V DC circuit design using the TL494 control IC is a standard way to achieve high-current output. Motor Controllers : For high-current 24V applications (like 11A), look for PWM motor controller schematics
that utilize N-channel MOSFETs like the IRF1405 to handle the load. Instructables Could you clarify where you saw this code? For example, is it printed on a circuit board (near a small fuse), a on a motor, or in a technical manual
for a specific vehicle? Knowing the device type will help me find the exact wiring diagram you need.
is a surface-mount PolySwitch (PTC) Resettable Fuse manufactured by Thinking Electronic Industrial Co., Ltd.
. It is commonly used in electronic circuits for overcurrent protection, specifically for interfaces like HDMI ports Component Overview
PolySwitch / PTC (Positive Temperature Coefficient) Resettable Fuse. Common Use Case:
HDMI port protection in laptops and mainboards (e.g., seen in ASUS motherboard certifications). Review Context:
While a specific "free schematic" for an 11A 24V variant isn't readily available, standard PTC integration follows these principles: Placement: Placed in series with the load to be protected. Overcurrent Protection:
If current exceeds the trip point, resistance increases sharply, limiting current to a safe level. Resetting:
Once the fault is removed and the device cools down, it resets to a low-resistance state. Schematic Review Tips for 11A/24V Applications
If you are drafting a 24V circuit with an 11A requirement, consider the following: Trace Width:
For 11A, standard 1oz copper traces may need to be extremely wide (over 400 mils) or use multiple layers and heavy copper (2oz+) to prevent overheating. Heat Dissipation:
Ensure there is adequate copper pour around the F4901 pads to act as a heatsink, as PTCs rely on thermal equilibrium to function correctly. Voltage Rating:
Verify that the specific variant of the F4901 you are using is rated for at least 24V (often marked as cap V sub m a x end-sub
). Using a PTC below its rated voltage can lead to device failure during a trip event. Decoupling:
As noted in general schematic reviews, ensure you have both high-frequency bypass (e.g., 100nF) and bulk (e.g., 10uF+) capacitors on your power rails to handle transient loads from the 11A demand. Arduino Forum thermal characteristics for a specific PCB layout?
Automatic Faucet Board Schematic Review - Page 2 - Arduino Forum
Unlocking the Secrets of the F4901 11A 24V Schematic: A Comprehensive Guide
Are you an electronics enthusiast or a professional looking for a reliable and efficient solution for your 24V DC power supply needs? Look no further than the F4901 11A 24V schematic. This highly sought-after schematic diagram has been making waves in the electronics community, and for good reason. In this article, we'll delve into the world of the F4901 11A 24V schematic, exploring its features, benefits, and applications, as well as provide you with a free resource to get started.
What is the F4901 11A 24V Schematic?
The F4901 11A 24V schematic is a detailed diagram of a 24V DC power supply circuit, designed to provide a stable and efficient source of power for a wide range of applications. The schematic is built around the F4901, a high-performance power supply controller IC, capable of delivering up to 11A of current at 24V DC.
Key Features of the F4901 11A 24V Schematic
So, what makes the F4901 11A 24V schematic so special? Here are just a few of its key features:
Benefits of Using the F4901 11A 24V Schematic
By using the F4901 11A 24V schematic, you can enjoy numerous benefits, including:
Applications of the F4901 11A 24V Schematic
The F4901 11A 24V schematic is suitable for a wide range of applications, including:
Free Resource: Download the F4901 11A 24V Schematic
To help you get started with the F4901 11A 24V schematic, we've provided a free resource for download. Simply click on the link below to access the schematic diagram and start building your own 24V DC power supply. Searching for "F4901 11A 24V" identifies two distinct
[Insert link to free schematic diagram]
Conclusion
In conclusion, the F4901 11A 24V schematic is a highly versatile and efficient solution for 24V DC power supply needs. With its high efficiency, high current capability, and wide input voltage range, this schematic is suitable for a broad range of applications. By using the F4901 11A 24V schematic, you can enjoy improved power supply reliability, increased flexibility, and reduced design time. Don't miss out on this free resource – download the F4901 11A 24V schematic today and start building your own 24V DC power supply.
FAQs
Q: What is the input voltage range for the F4901 11A 24V schematic? A: The input voltage range for the F4901 11A 24V schematic is typically between 18V and 36V DC.
Q: What is the output current capability of the F4901 11A 24V schematic? A: The F4901 11A 24V schematic has an output current capability of up to 11A.
Q: Is the F4901 11A 24V schematic suitable for industrial applications? A: Yes, the F4901 11A 24V schematic is suitable for industrial applications due to its high efficiency, high current capability, and reliability.
Q: Can I use the F4901 11A 24V schematic for medical equipment applications? A: Yes, the F4901 11A 24V schematic is suitable for medical equipment applications due to its high efficiency and low noise.
Q: Where can I find more information on the F4901 11A 24V schematic? A: You can find more information on the F4901 11A 24V schematic by searching online or consulting the datasheet of the F4901 IC.
Current Capacity: High Side FET at 11A; Low Side FET at 13A.
Package: WDFN8 (3 mm x 3 mm) designed to minimize board space and parasitic inductance. Resistance (
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub ): 17.4 mΩ at 10V for the High Side FET. 24V Schematic Implementation
While a "free" standalone schematic file for a specific 24V board is often proprietary, you can find reference designs for these MOSFETs in power supply and motor driver applications:
DC-DC Converters: Often used as a co-packaged power stage solution for point-of-load system rails.
Motor Drivers: MOSFETs in this class are frequently arranged in H-bridge configurations to drive brushed DC motors.
Inverter Circuits: Some users reference the ES-11A schematic on Scribd for power supply layouts involving similar 24V components. Where to Find Schematics
For precise wiring and PCB layout guidance, you should consult these authoritative resources:
Manufacturer Reference Designs: onsemi provides application notes and reference circuits for their Power MOSFET series.
Community Forums: Technical discussions on the EEVblog forum can provide context for component identification in existing consumer electronics. If you'd like, let me know:
Is this for a specific device (like a power supply or an e-bike controller)?
In technical schematics, F4901 most commonly refers to a fuse component found on various laptop motherboards (such as Lenovo, Acer, and Dell) rather than a standalone 24V power supply or controller. Typical Component Specifications
Based on motherboard service manuals, the "F4901" designation usually corresponds to one of the following:
Polyswitch (Resettable Fuse): Often listed as a POLYSW-1D1A24V-GP-U. This is a 1.1A, 24V surface-mount resettable fuse (PTC).
Voltage Rails: It typically sits on the DCBATOUT or LCDVDD power lines to protect the display or inverter circuits.
Alternative Ratings: Depending on the specific board revision, it may sometimes be rated at 0.5A 50V or 1.5A 24V. Where to Find Schematics
If you are looking for the full circuit diagram where this component is used, you can find them in the following motherboard schematics: Lenovo B590 / B490: Look for the Wistron LB59A or schematic. Acer Aspire 4750 / 5560: Search for the Wistron JE40-HR or documents.
Sony KDL Series: Found in service manuals for various TV models like the KDL-40XBR5 Esto tiene algún arreglo?
Because "F4901" appears to be a specific manufacturer's series code (likely People Electric), you will find the official datasheet on their website.
Note on "Free" Schematics: If you are trying to repair a broken unit, be aware that these are sealed units for safety reasons. If the internal trip mechanism has failed, the unit must be replaced rather than repaired. There are no user-serviceable parts inside a circuit breaker.
It sounds like you’re referring to an essay or write-up titled something like "f4901 11a 24v schematic free" — but that string of characters looks more like a part number, voltage/current rating (11A, 24V), and the word "schematic" with "free".
A few possibilities for what makes this topic interesting:
Reverse-engineering a power supply or motor driver
The code "f4901" could be a custom IC (maybe a PWM controller or gate driver) used in a 24V, 11A circuit. An essay discussing how to find or reconstruct its schematic for free (without paying for service manuals) would appeal to hackers, repair technicians, or electronics hobbyists.
Open-source hardware ethics
The "free" might refer to libre/open schematics — an essay arguing that even if a device uses a proprietary chip like F4901, the community should document and share its application circuit as a public good.
Hidden costs of "free" schematics
An ironic or critical essay: "free" schematics found online are often incomplete, wrong, or lead to damaged hardware. The interesting angle could be why manufacturers obscure such data and what it costs the DIY community.
Specific device context
Searching memory: "F4901" appears in some Chinese-made 24V battery chargers, LED drivers, or DC motor controllers (often 11A peak). An essay might walk through tracing such a board and publishing the schematic despite missing datasheets.
Do you have a link to the essay, or are you looking for that schematic yourself?
Unlocking the Secrets of the F4901 11A 24V Schematic: A Comprehensive Guide
Are you an electronics enthusiast or a professional looking for a free schematic diagram of the F4901 11A 24V? Look no further! In this article, we'll dive into the world of electronics and explore the ins and outs of this popular component. By the end of this guide, you'll have a thorough understanding of the F4901 11A 24V schematic and be able to find the free resources you're looking for.
What is the F4901 11A 24V?
The F4901 11A 24V is a specific type of electronic component, likely a power supply or a controller module. The "F4901" is probably a part number, while "11A" refers to the maximum current rating, and "24V" indicates the input or output voltage. Without more context, it's difficult to pinpoint the exact function of this component. However, based on its specifications, it's likely used in a variety of applications, such as:
Why Do We Need a Schematic Diagram?
A schematic diagram is a visual representation of an electronic circuit, showing the relationships between components and their connections. Having a schematic diagram of the F4901 11A 24V is essential for:
Finding a Free F4901 11A 24V Schematic
The good news is that there are several resources available online where you can find free schematic diagrams, including:
Tips for Searching
When searching for a free F4901 11A 24V schematic, keep the following tips in mind:
Common Issues and Solutions
While searching for a free F4901 11A 24V schematic, you might encounter some common issues:
Alternatives to a Schematic Diagram
If you're unable to find a free F4901 11A 24V schematic, consider the following alternatives:
Conclusion
In conclusion, finding a free F4901 11A 24V schematic requires patience, persistence, and the right strategies. By exploring various resources, using specific keywords, and being cautious of fake information, you can increase your chances of finding the schematic diagram you need. Remember to consider alternative sources, such as datasheets or reference designs, and don't hesitate to consult a professional if needed. Happy searching!
No official free schematic for "F4901 11A 24V" is publicly archived at the time of this writing. However, using the generic flyback or forward converter topology above and identifying the PWM controller IC on your board, you can manually reconstruct an accurate schematic.
Next step: Open the unit, read the IC markings, then search for "application note" or "reference design" for that specific IC.
Complete Guide to the F4901 11A 24V Schematic: Layout, Applications, and Design
The F4901 11A 24V configuration is a popular specification for heavy-duty DC power supplies and industrial motor control modules. Delivering a reliable 24V direct current at a robust 11 Amps of current, this design provides approximately 264 Watts of continuous power.
This comprehensive guide breaks down the F4901 11A 24V schematic, explains the core components, and walks through the installation process. ⚡ Core Technical Specifications
Before diving into the schematic layout, it is essential to understand the fundamental electrical ratings of the F4901 circuit: Voltage Output: 24V DC Maximum Current Output: 11 Amps Total Power Output: 264 Watts (
Input Options: Typically universal AC mains (110V/220V AC) or unregulated high-voltage DC
Primary Use Cases: Industrial automation, high-power LED arrays, CNC machinery, and high-torque DC motor drivers. 🛠️ Decoding the F4901 11A 24V Schematic Layout
The F4901 schematic uses a Switch-Mode Power Supply (SMPS) or a highly regulated linear step-down topology to process incoming voltage into a stable 24V output.
[ AC/DC Input ] ──► [ Rectification & Filtering ] ──► [ Switching/Regulation ] ──► [ Output Filtering ] ──► [ 24V 11A DC Out ] ▲ │ [ Optocoupler Feedback ] 1. Input Stage & Surge Protection
The front end of the schematic features a standard terminal block where the primary power enters.
Fuse & NTC Thermistor: Limits inrush current upon startup to protect sensitive components downstream.
MOV (Metal Oxide Varistor): Absorbs voltage spikes and transients from the main power grid. 2. Rectification & Smoothing
For AC-to-DC conversion, the F4901 schematic relies on a high-current bridge rectifier. 24V Power Supply Circuit | 9 Circuits - ElecCircuit.com
Based on available technical documentation, there is no single component with the exact part number F4901 that matches the 11A/24V specification. It is likely a partial part number for an ON Semiconductor (now onsemi) MOSFET, specifically the NTLLD4901NF or NTMFD4901NF, which are dual N-channel power MOSFETs often used in DC-DC converters and power management. Component Identification The most likely matches for "4901" with similar specs are:
NTLLD4901NF / NTMFD4901NF: These are dual N-channel devices. Voltage: 30V max (Drain-to-Source). Current: Capable of 11A continuous drain current at 25°C.
Application: Specifically optimized for 24V input DC-DC converters or 5V gate drive applications. Schematic Features & Pinout
These components typically come in space-saving packages like WDFN8 (μ8FL) or SO-8FL.
Dual Configuration: The package contains two MOSFETs (Q1 and Q2) which can be used for high-side and low-side switching in a buck converter. Pin Configuration (Standard WDFN8): Pins 1, 2, 3: Source (S1) Pin 4: Gate (G1)
Pins 5, 6, 7, 8: Drain (D1/D2 depending on internal routing)
Protection: Features like 100% avalanche testing and low on-resistance (
RDS(on)cap R sub cap D cap S open paren o n close paren end-sub ) to maximize efficiency. Where to Find the Full Schematic
For the complete technical "feature" set and original circuit diagrams, you should refer to the official NTLLD4901NF Datasheet or the NTMFD4901NF Datasheet provided by onsemi. These documents include: Typical characteristic curves (Gate Charge, Capacitance). Thermal resistance ratings. Recommended pad layouts for PCB design.
If this is for a specific power supply module (e.g., an industrial 24V supply), "F4901" might be a board designator; in that case, searching for the model number of the entire device would be more effective. ntlld4901nf - onsemi
Manufacturer Websites: If "F4901" corresponds to a specific component or product line, visiting the manufacturer's website can be a good starting point. Companies like Meanwell, Delta, or other power supply manufacturers might have similar products with available datasheets and schematics.
Datasheet Websites: Websites like Datasheet4U, Alldatasheet, or Digikey often host extensive databases of electronic component datasheets. You can search for the component number or specifications to find relevant information.
Forum and Community Websites: Electronics forums (e.g., Reddit's r/LearnElectronics, Electronics Stack Exchange) can be valuable resources. Users often share knowledge, and someone might have encountered a similar component or have a related schematic.
DIY and Project Blogs: Sometimes, hobbyists and engineers share their projects online, which can include schematics and designs for power supplies or other electronics.
Since this is an electromechanical device, the "schematic" is effectively a wiring diagram. These devices are typically 2-Pole or 4-Pole breakers used for DC voltage.
Standard Wiring Configuration: Most F4901 series DC breakers follow this standard wiring logic:
1 and 3 or L).2 and 4 or Load).Internal Schematic Representation:
[Input +] ----(Terminal 1)----[ CONTACT ]----(Terminal 2)---- [Output +]
|
[ Trip Unit ]
(Thermal/Magnetic)
|
[Input -] ----(Terminal 3)----[ CONTACT ]----(Terminal 4)---- [Output -]
If you cannot find the specific PDF, you can reverse-engineer the connections safely using a Multimeter. Warning: Ensure power is disconnected before proceeding.
Testing the Input (24V side):
Testing the Output (Load side):