Catalog > Internet of Things (IOT) Related Products > More Platforms Relay Shield Relay Shield AZL 4 CHANNEL RELAY SHIELD 4CH SMART MODULE- COMPATIBLE WITH ARDUINO I/O CONTROLLED RELAY SHIELD. COIL: 7-12VDC. CONTACTS: 2A 35VDC Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The Relay Shield is Compatible with Arduino smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino through digital IOs with an external 6.5~12V DC supply. With the onboard 4 control keys,you can also control the high voltage without programming.(Manually). Note : Make sure that the pins on the Shield do not touch the USB Connector on the Arduino Features Compatible with Arduino and Arduino Mega Automatic control and manual control 4 mechanical relays with photo-coupled circuit Equipped with screw holes for easy installation Light weight Small form factor Specifications Voltage : 7~12V Current : 8~250mA Switching Voltage : Max 35V Switching Current : Max 2A Frequency Response : -1~1dB Switching Power : Max 70W Relay Life: > 100000 Caution : Placing 2 layers of electrical tape on the top of the Arduino's usb connector will prevent the relay shield from making contact. Do not operate voltage more than 35V DC. Downloads Schematic - Relay Shield PDF File 49.81 KB Relay Control Code ZIP File 412.00 B Datasheet - AZL ARDUINO RELAY SHIELD PDF File 162.04 KB