SRU-05V

Overview

SRU-05V 5V DC Relay Module rated at 10A for switching high-power loads in Arduino, ESP32, STM32, and other microcontroller-based projects. Ideal for home automation, IoT control systems, motor control, lighting control, and industrial switching applications.

Specifications

Parameter	Value
Coil Voltage	5V DC
Contact Rating	10A / 250VAC
Contact Rating DC	10A / 30VDC
Contact Type	SPDT (NO/NC/COM)
Coil Resistance	~70Ω
Package	SRU Series
Operating Temperature	-40°C to +85°C
Switching Time	~10ms

Features

• SPDT contacts — Normally Open (NO) and Normally Closed (NC)
• 5V coil — directly compatible with Arduino, ESP32, STM32
• 10A switching capacity — handles motors, lights, heaters
• Compact SRU package — PCB mount friendly
• Low coil power consumption
• LED indicator compatible with driver circuits

Wiring

• COM — Common terminal
• NO — Normally Open (connects when relay is energized)
• NC — Normally Closed (connects when relay is off)
• Coil+ — Connect to 5V via transistor driver
• Coil− — Connect to GND

Applications

• Home automation switching
• Motor ON/OFF control
• AC/DC load switching
• IoT remote control
• Industrial automation
• Arduino/ESP32 relay shield