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<ul><li>The module uses a genuine quality relay with normally open interface. Maximum load: AC 250V/10A, DC 30V/10A. 
Uses SMD optocoupler isolation for strong drive capability and stable performance; trigger current is 5mA. 
Features a power indicator (green) and relay status indicator (red). 
User-friendly interface with all connections accessible via direct connection terminals for maximum convenience. 
Module Operating Voltage: 9V 
Color: Red 
Material: Metal 
Module Size: 73mm x 50mm x 18.5mm (L x W x H) 
Module Interface: 
1. DC +: Positive power supply (VCC) 
2. DC-: Power supply negative (GND) 
3. IN1, IN2, IN3, IN4: Can control the relay with a high or low level signal. 
S1, S2, S3, S4: SET HIGH OR LOW LEVEL 
Relay Outputs: 
1. NO1,2,3,4: Normally open relay interface 
2. COM1,2,3,4: Common relay interface 
3. NC1,2,3,4: Normally closed relay interface 
High and Low Level Trigger: Trigger with a low level when the jumper connects to LOW. Trigger with a high level when the jumper connects to HIGH. 
Package: 
1 * 4CH Relay Module 
(Only the above package content is included; other products are not.) 
Note: Light photography and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.</li></ul>

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4-channel relay module with optocoupler isolation High/low level Trigger H/L for red, 9V, relay module.

Devolución hasta 30 días después de recibido.

The module uses a genuine quality relay with normally open interface. Maximum load: AC 250V/10A, DC 30V/10A. 
Uses SMD optocoupler isolation for strong drive capability and stable performance; trigger current is 5mA. 
Features a power indicator (green) and relay status indicator (red). 
User-friendly interface with all connections accessible via direct connection terminals for maximum convenience. 
Module Operating Voltage: 9V 
Color: Red 
Material: Metal 
Module Size: 73mm x 50mm x 18.5mm (L x W x H) 
Module Interface: 
1. DC +: Positive power supply (VCC) 
2. DC-: Power supply negative (GND) 
3. IN1, IN2, IN3, IN4: Can control the relay with a high or low level signal. 
S1, S2, S3, S4: SET HIGH OR LOW LEVEL 
Relay Outputs: 
1. NO1,2,3,4: Normally open relay interface 
2. COM1,2,3,4: Common relay interface 
3. NC1,2,3,4: Normally closed relay interface 
High and Low Level Trigger: Trigger with a low level when the jumper connects to LOW. Trigger with a high level when the jumper connects to HIGH. 
Package: 
1 * 4CH Relay Module 
(Only the above package content is included; other products are not.) 
Note: Light photography and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.