5pcs BESTEP 1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal
37
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nntnttNormally open interface maximum load: AC 250V/10A, DC 30V/10A.
ntnttSMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.
ntnttFault-tolerant design, the relay will not move even if the control line is broken.
ntnttPower indicator (green), relay status indicator (red).
ntnttThe interface is designed humanized, and all the interfaces can be directly connected by wiring terminals, which is very convenient.
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ntttTwo module interface:
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nttnttt1. DC+: Connect the power supply positive pole (voltage 3.3V).
nttnttt2. DC-: Connect the power negative pole.
nttnttt3. IN: Low level (3.3V) control relay pull in.
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nttntttRelay output terminal:
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nttnttt1. NO: Relay normal open, the relay suspends before pulling in, and then short-connect with the COM.
nttnttt2. COM: Relay common interface
nttnttt3. NC: Relay normal close, short connected with COM before pulling inand suspended after pulling in.
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nntPackage Included:
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nt5 x 1 Channel 3.3V Relay Module
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nt5 x 1 Channel 3.3V Relay Module
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