This 4-channel relay interface board can control various appliances and other equipments with high current. It can be controlled directly by any micro-controller.
Features:

1. standard interface that can be controlled directly by any microcontroller
2. opto-isolated inputs
3. indicator LEDs for relay output status

Specifications:

1. control input current (in1 to in4): 5 - 15 mA
2. control input voltage: 5 - 12 VDC
3. relay output: 250 VAC 10 A; 30 VDC 10 A (non-inductive)
4. dimensions: 75 x 55 x 19 mm
5. weight: 61 g

vma400_scheme.pdf

wpm400a4v01.pdf

ce_rohs_open.pdf