TP4 Positive Output Transistor Interface Module 4-Channel 3A
The TP4 Positive Output Transistor Interface Module is an opto-isolated, four-channel positive-output transistor interface designed for industrial and PLC control panels, providing safe galvanic separation between control electronics and field loads while delivering up to 3A per channel for driving relays, lamps, solenoids and other DC devices. The compact board includes status LEDs, per-channel fuse protection and multiple mounting options for flexible installation in control enclosures and automation racks.
Features
- 4-channel positive output FET type transistor.
- Operating voltage range: 12-36V.
- Maximum operating current: 3 ampere.
- All channels are opto-isolated for safety.
- Green LED indicator for power input.
- Yellow LED indicator for each Input.
- Red LED indicator for each output.
- Provides 3A fuse for overcurrent protection.
- Four (Ø 3.5mm) mounting holes for easy installation.
- DIN Rail mounting using PCB carrier or PCB bracket ( Optional ).
- Dimensions: 90 X 78 X 22mm.
Specifications
| Parameter | Value |
|---|---|
| Channels | 4 |
| Output Type | Positive sourcing (FET) |
| Operating Voltage | 12–36V |
| Max Operating Current Per Channel | 3A |
| Isolation | Opto-isolated inputs |
| Indicators | Power:Green, Input:Yellow, Output:Red |
| Protection | 3A fuse per channel |
| Mounting Holes | 4ר3.5mm |
| Mounting Options | Mounting holes / PCB carrier / PCB bracket (DIN-rail) |
| Dimensions | 90mm x 78mm x 22mm |
Applications
- Interface and level-shift signals from PLCs, microcontrollers and industrial controllers to DC loads requiring positive-sourced outputs.
- Safe isolation of control electronics from noisy field devices and relay coils.
- Lighting, small motor, solenoid and actuator control in automation panels.
- Test rigs, prototype control boxes and retrofit panels where compact, fused outputs are required.
- Multi-channel isolation in robotics, security, and sensor interface systems.
Package Contents
- 1x TP4 Positive Output Transistor Interface Module 4-Channel 3A.


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