R112DC 12V Relay Module – Single Pole

The 12V relay module is a dependable switching solution designed for electronic projects, automation systems, and access control installations. Whether you’re building a new setup or upgrading an existing circuit, this 12v relay offers stable, long-term performance with simple integration into a wide range of applications.

This module supports both low-level and high-level trigger inputs, giving you complete flexibility depending on your control requirements. With its jumper-selectable trigger mode, it can operate as a conventional 12v relay or be adapted for more advanced switching tasks.

Compact and durable, the module is suitable for microcontroller projects, door automation systems, industrial controls, and security electronics. Its clear terminal layout and solid PCB design ensure easy wiring and reliable operation even in demanding environments.

Key Features:

• Dual Trigger Modes – Operates in either low-level or high-level trigger mode using a simple jumper or link.
• Reliable Switching – Performs as a conventional 12v relay, ideal for clean and efficient circuit control.
• Wide Compatibility – Suitable for microcontrollers, automation systems, access control panels, and general electronics.
• Compact & Durable Build – Designed for stable, long-term performance in both DIY and professional applications.
• Versatile Use Cases – Ideal for door automation, industrial control systems, alarm circuits, and security integrations.

If you need a dependable, easy-to-use 12v relay module, this unit provides a robust, cost-effective solution.

NB:  Units come with double sided adhesive stickers.

Features:
– Maximum load: AC 250V/10A, DC 30V/10A
– SMD optocoupler isolation
– stable performance
– trigger current 5mA
– Operating voltage 12V
– high or low trigger by a jumper setting
– Fault-tolerant design.
– Power indicator LED (green)
– status indicator LED (red)
– module size: 50mm*26mm*18.5mm (L*W*H)

Interface:
1. VCC: Positive (DC+)
2. GND: Negative (DC-)
3. IN Signal input trigger can be high or low level

Outputs:
1. NO    Normally open relay interface
2. COM Relay Common Interface
3. NC    Normally closed relay interface

I Year warranty

• Datasheet