4-Channel 12V Relay Module with Optocoupler HL Level Triger

Module description:

1. Maximum load onnormally open pin: AC 250V/10A, DC 30V/10A.

2. Trigger current5mA;

3. Module can be sethigh level or low level trigger by jumper wire;

4. Power indicatorlight (green), relay status indicator light (red);

5. Module size:Approx. 73mm * 50mm* 18.5mm.

Module interface specifications:

1. DC+ : DC powersupply positive pole

2. DC- : DC powersupply negative pole

3. IN1~IN4 : relaysignal triggering pin

Relay output:

1. Normally closedpin (NC1~NC4) : relay normally closedpin

2. Common pin(COM1~COM4) : relay common pin

3. Normally openedpin (NO1~NO4) : relay normally openedpin

High or low level trigger option:

1. S1~S4:They areoption switch for relay 1~4;

Package Content:
1 x Relay Module