# Switching Module

> MOSFET and power switch modules, touch/IR sensors for ON-OFF control and switching electrical loads

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/switching-module
- Category: Mechatronics and IoT > Sensors and Modules > Switching Module
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (9)

### Switch Module, Power Switch, ON-OFF, 3.3-20V, 11A
- Page: https://sigmanortec.ro/en/switch-module-power-switch-on-off-33-20v-11a
- Details: https://sigmanortec.ro/en/llms/p/2309.md
- Price: 17.48 RON
- Availability: In stock; 1-2 zile
- Reference: 88192 · EAN: 5946021706482
- Specifications: Supply Voltage: 3.3 V; Maximum Input Voltage: 20 V; Maximum Output Current: 11 A; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Switch module Power Switch ON-OFF, operated by a single press, works at 3.3-20V and switches up to 11A. Standby consumption of 0.01mA, compact dimensions of 15x18mm, replaces classic mechanical switches. Pinout: IN+, GND, OUT+. Supports connection between source and load and allows an external button via a free pad above GND.

### IR touch sensor, LED strip, contactless detection, 5-24V
- Page: https://sigmanortec.ro/en/ir-touch-sensor-led-strip-contactless-detection-5-24v
- Details: https://sigmanortec.ro/en/llms/p/2421.md
- Price: 38.03 RON
- Availability: In stock; 1-2 zile
- Reference: 88224 · EAN: 5947481595326
- Specifications: tension: AD; Supply Voltage: 5; Maximum Input Voltage: 24; Sensor type: Tactil IR

IR touch sensor (ref. 88224) for contactless control of LED strips, detecting at 10-20 mm or via hidden mounting behind wood, glass or plexiglass up to 5 cm thick. Power supply 5-24V DC, max current 3A (72W at 24V), standby consumption ~100 uA. Board size 32x32 mm, wire length 130 mm, 4 jumper-selectable modes (V1, G2) including ON/OFF and continuous dimming, factory default ON/OFF with dimming.

### High-power MOSFET switch module, 100V 300A, 5–18V control
- Page: https://sigmanortec.ro/en/high-power-mosfet-switch-module-100v-300a-518v-control
- Details: https://sigmanortec.ro/en/llms/p/2451.md
- Price: 10.78 RON
- Availability: In stock; 1-2 zile
- Reference: 88273 · EAN: 5943419070842
- Specifications: Maximum Input Voltage: 100 V; Maximum Output Current: 300 A; Control voltage: 5 - 18 V

Switch high-power DC loads quickly and directly from a logic or PWM signal, without mechanical relays, supporting up to 100V and 300A peaks. Based on the AOTL66912 MOSFET with very low on-resistance for reduced losses, it is driven at 5–18V, ideally 10–12V at high currents, low-side, on an ultra-compact 14x15mm board.
The MOSFET power transistor switch module is a compact solution for controlling high-current DC loads. It is intended for electronics enthusiasts and engineers who want to turn motors, LED strips, and other power consumers on, off, or adjust them directly from a microcontroller, without mechanical relays and without moving parts.

### IRF540N module, 4 channels, 5V
- Page: https://sigmanortec.ro/en/irf540n-module-4-channels-5v
- Details: https://sigmanortec.ro/en/llms/p/2253.md
- Price: 23.80 RON
- Availability: In stock; 1-2 zile
- Reference: 88090 · EAN: 5943387389915
- Specifications: Input Voltage: 5 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

4-channel IRF540N MOSFET module for switching DC loads (LED strips, motors, electronic modules), compatible with Arduino and other boards. Supply 5VDC, logic signal 3.3-5V, activated on HIGH. Optical isolation PS2801-4 with common GND, status LED per channel. Supports up to 100V and 10A per channel. Dimensions 66 x 66mm. Not suitable for AC circuits.

### Touch switch module, 25mm penetration, 12-24V, 60W, dimmable
- Page: https://sigmanortec.ro/en/touch-switch-module-25mm-penetration-12-24v-60w-dimmable
- Details: https://sigmanortec.ro/en/llms/p/2015.md
- Price: 75.65 RON
- Availability: In stock; 1-2 zile
- Reference: 9825 · EAN: 5945419381461
- Specifications: Supply Voltage: 12; Maximum Input Voltage: 24; Maximum Controlled Power: 60; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

FTS-02A touch switch module, dimmable, for hidden mounting behind wood, plastic or glass panels, detecting through material up to 25mm. Operates at 12-24VDC, supports up to 5A/60W. A short press toggles ON/OFF, a long press adjusts brightness between 10-100%. Dimensions 48x48x6mm, with wires marked IN/OUT, suitable for LED strips and light fixtures.

### E-Switch mosfet module, 3-12V control, 5-36V output, with optoisolator
- Page: https://sigmanortec.ro/en/e-switch-mosfet-module-3-12v-control-5-36v-output-with-optoisolator
- Details: https://sigmanortec.ro/en/llms/p/1628.md
- Price: 20.58 RON
- Availability: In stock; 1-2 zile
- Reference: 9513 · EAN: 5940572857129
- Specifications: Supply Voltage: 3; Maximum Input Voltage: 12; Minimum Output Voltage: 5; Maximum Output Voltage: 36; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Output Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

E-Switch MOSFET module with optoisolator for PWM control of LED strips, DC motors and other loads via Arduino or other microcontrollers. Control voltage 3-12VDC, output voltage 5-36VDC, maximum current 5A standard, 22A with active cooling. 2.54mm pins compatible with DuPont connectors. Dimensions 42 x 26mm. Reference 9513.

### IRF520 module
- Page: https://sigmanortec.ro/en/irf520-module
- Details: https://sigmanortec.ro/en/llms/p/400.md
- Price: 7.97 RON
- Availability: In stock; 1-2 zile
- Reference: 33264 · EAN: 5940242137438

IRF520 module with MOSFET, compatible with Arduino and other development boards. Allows PWM control of DC loads such as LED strips, power LEDs or motors. Control signal 3.3-5VDC, load voltage 0-24VDC, current under 5A; above 1A a heatsink is required for the mosfet.

### Dual power MOSFET module, 15A, 400W
- Page: https://sigmanortec.ro/en/dual-power-mosfet-module-15a-400w
- Details: https://sigmanortec.ro/en/llms/p/373.md
- Price: 2.83 RON
- Availability: In stock; 1-2 zile
- Reference: 33540 · EAN: 5949619964035
- Specifications: Power: Over 20W; Maximum Output Current: 15 A; Maximum Controlled Power: 400 W

Dual power MOSFET module (33540) with FDD8782 N-Channel transistors, RDS(on) 14.0mΩ at Vgs=4.5V, max VDS 25V. Supports 15A continuous, peaks up to 30A, dissipation up to 400W with adequate cooling. Digital or PWM control 3.3-20V, frequency 0-20kHz. Recommended for applications up to 24VDC: DC motors, LED strips, electromagnets. Dimensions: 34 x 17 x 12 mm.

### Power Mosfet Module, 3D Printers, 12-24V, 25A
- Page: https://sigmanortec.ro/en/power-mosfet-module-3d-printers-12-24v-25a
- Details: https://sigmanortec.ro/en/llms/p/940.md
- Price: 19.07 RON
- Availability: In stock; 1-2 zile
- Reference: 9129 · EAN: 5940092130757
- Specifications: Supply Voltage: 12; Maximum Input Voltage: 24; Maximum Output Current: 25; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Allows control of the 3D printer heated bed from the motherboard signal, but with a stronger external power supply, reducing the stress and temperature of the board and extending its lifespan. Operates at 12-24VDC, supports up to 25A, is compatible with PID control, compact dimensions 50x60 mm for easy installation.
External power mosfet for 3D printers, 12VDC or 24VDC voltage, 25A maximum.
This transistor module is specially used for the heated bed of the 3D printer to power it from a more powerful external source. In this way, the bed will still receive a signal from the printer's motherboard, but it will be powered externally.