4 - channel dc 12v 30 a บอร์ดโมดูลรีเลย์ควบคุมความสูง/ต่ําทริกเกอร์

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4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
This is a relay module with high performance which is convenient and practical for users.

Features:
4-channel DC 12V 30A relay module.
Output capacity: within DC 30V 30A or AC 250V 30A.
Using optocoupler isolation strong anti-jamming capability and stable performance.
The module can be set high or low trigger.
To ensure stability uses industrial grade PCB board and 9.5mm barrier terminals.
All interfaces can be connected directly via terminal wiring leads very convenient.
Module Interface Description:
1. DC +: DC power supply positive;
2. DC -: DC power supply module negative;
3. IN: Signal input terminal(support High/Low Level switch freely);
4. Normally open (NO): Relay normally open;
5. Common terminal (COM): Relay common;
6. Normally closed terminal (NC): relay normally closed terminal;

Specifications:
Type: 4-Channel
Relay Voltage: DC 12V 
Output Capacity: within DC 30V 30A or AC 250V 30A
Quiescent Current: 5mA 
Trigger Current: 5mA  
Module Size: 128 * 68 * 20mm
Module Weight: 177g

Package List:
1 * Relay Module