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Relay board x4 5V opto-isolated active low

This product is discontinued

Part.no: 41017682
Description

Relay module with 4x SPDT relays for controlling high voltage / high current devices. Each relay has an input that can be controlled from switches or a microcontroller. The inputs are optically isolated and are active low, which means that they activate the relays when the input is shorted to ground. A jumper selects between separate or common power supply for relays and logic. The module is powered with 5VDC and draws approx. 280mA with all relays active.

* Supply voltage: 5V
* Current draw: max 300mA
* Dimensions: 72 x 45 x 19.6mm
* Mounting holes: ø3mm c-c 66 x 40mm