Relay Shield v3.0

Relay Shield v3.0

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  • Product Code: SHIELD-RELAY
  • Warranty Period: 12 months
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The Relay Shield provides four high quality relay that can control high current loads to Arduino / Seeeduino boards. It also provides NO (Normally Open) / NC (Normally Closed) interface. It could be a nice solution for controlling devices that could not be directly controlled by Arduino's Digital I/Os. Standardized shield form factor enables smooth connection with Arduino and compatibles. The shield also has four LED indicators to show the on/off state of each relay.
 
Relays are useful in switching on/off AC appliances like fan, light, motor or high current DC actuators like solenoid valve etc
 
Note: Exercise caution when dealing with AC. Get help from certified electrician.
 
Features:
  • ŸArduino/Seeeduino Shield compatible
  • ŸRelay screw terminals
  • ŸWorking status indicators for each relay
  • ŸHigh quality relays
  • ŸProvides NO/NC interfaces
Technical Specifications:
  • Operating voltage: 4.75V~5.25V
  • ŸOperating current: 8~250 mA
  • ŸSwitching Voltage: 250VAC/30VDC
  • ŸSwitching Current: 15A/7A
  • ŸFrequency: 1Hz
  • ŸSwitching Power: 70W
  • ŸRelay Life: 100,000 Cycle
  • ŸESD contact discharge: ±4KV
  • ŸESD air discharge: ±8
  • ŸDimension: 68.7 x 53.5 x 30.8 mm
  • ŸNet Weight: 55±2 g

CHANNEL1 INTERFACE:
  • COM1 - Common pin
  • NC1 - Normally Closed. Will be connected with COM1 when RELAY1 pin is set low and disconnected when RELAY1 is high;
  • NO1 - Normally Open. Will be connected with COM1 when  ŸRELAY 1 pin is set high and disconnected when RELAY1 is low;
4 DIGITAL PINS TO CONTROL 4  ŸRELAYS:
  • RELAY1-RELAY4 pins could be connected directly with Arduino pin number of 7-4, so that four relays could be easily controlled by the Arduino

Document:

Please visit the wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

Hi, I had problem while using this relay with arduino to control a 24vdc pneumatic device. The relay will operate well but after 2 minutes continuing to test on off with it, it will lose usb connection with my pc. What's the problem and solution. This relay got any optical isolation? ( Carson, 01/01/2021 )
Hi, for technical inquiry, you may drop an email to support@cytron.io and our technical team will assist on your issue. Thanks :)
Do I need to put diode to protect the circuit to avoid any back current flow in? ( Carson, 23/12/2020 )
Hi, it already comes with built-in diode ya. Thanks :)
The relay can be changed separately? ( Han Jye Hiew, 04/07/2018 )
Hi, the relay already soldered to the board. If you able to replace it, you can do that, but no warranty will cover if problem occur. Thanks.
Is this working with 24VDC and 12VDC? ( Hiew Han Jye, 04/07/2018 )
Hi, yes, the relay supports up to 250VAC/30VDC. Thanks.

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Tags: Relay Shield, Arduino Shield, Relay, Arduino, GENUINO grovepi+, arduino, shields, shield-relay v3.0