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Module Size: 50x41x18.5mm (LxWxH)
4 Fixed Holes for Screw: Diameter 3.1mm
Work Voltage: 5V
Quiescent Current: 5mA
Max Current: 190mA
Trigger Current: 3-5mA
Low Level Trigger Current: 0-1.5V
High Level Trigger Current: 3-5V
Input Interface:
1. DC+: 5V positive power supply
2. DC-: 5V negative power supply
3. IN: corresponding with trigger signal level of relay
Output Interface:
1. NO: normally open interface
2. COM: common interface
3. NC: normally close interface
Trigger Mode Configuration:
The module has a trigger level selection terminal, each relay trigger level can be individually controlled, through the short-circuit cap to control. COM side is common, in the middle;
When the LOW (L) terminal is connected to the common terminal, it is a low level trigger; when the HIGH (H) terminal is connected to the common terminal, it is a high level trigger.
Normally Open Interface Work Mode:
COM port connect with loaded AC live line or DC positive power supply, NO port connects with loaded AC zero line or DC negative power supply, the load circuit is disconnected, when there is trigger signal iniput, relay pick up, and circuit connected, load work.
Normally Close Interface Work Mode:
COM port connect with loaded AC live line or DC positive power supply, NC port connects with loaded AC zero line or DC negative power supply, the load circuit is close, and load work normally. When there is trigger signal iniput, relay disconnect, and load is off work.
Package Include:
1pcs 5V 2 Channel High/Low Trigger Relay Module
A. Bennett
Reviewed in the United States on August 16, 2024
I've been using these with ESP32's for years now. They work perfectly, never had a bad relay. I've used the 1, 2 and 4 relay versions. They'd probably work with all other 3.3v devices as well.
dojaho
Reviewed in the United States on July 3, 2024
I’ve been using this to control a 220VAC vacuum pump and it has worked flawlessly. I am only using one of the two relays at this point.
Ben
Reviewed in the United States on May 11, 2021
Great relay! Powers off under power without any issue. Get this over other relays around!
Ferny
Reviewed in the United States on January 10, 2019
easy to use and pretty clean pcb, nice to have a way to screw down the wires.
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