4 Channel Arduino Relay Shield

A 4-channel relay shield that plugs directly into Arduino UNO Rev3, providing easy control of high-power devices like lamps, pumps, motors, and garage doors. Features an XBee socket for wireless control via Bluetooth or ZigBee modules.

Each relay includes a test button for manual verification without code.

Key Features

• 4 Independent Relays – Control four high-power devices
• Arduino Shield Format – Plugs directly into UNO Rev3
• XBee Socket – Add wireless control via Bluetooth or ZigBee
• Test Buttons – Manual relay testing on each channel
• 100,000 Operations – Rated electrical life per relay

Specifications

• Channels – 4
• Max Switching Power – AC 360VA / DC 90W
• Contact Rating – 3A @ AC 120V / DC 24V
• Max Switching Voltage – AC 240V / DC 60V
• Max Switching Current – 5A
• Operating Temperature – -30°C to +85°C
• Board Dimensions – 95 × 65mm
• Electrical Life – 100,000 operations minimum

Compatibility

• Arduino UNO Rev3
• XBee/Bluetooth modules (optional)

Package Contents

• 1× Relay Shield V2.1
• 2× Nylon standoffs with screws