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Product introduction:
1. This module conforms to international safety standards, and there is an isolation slot between the control area and the load area;
2. With power supply and relay action indication, suction and bright, not bright;
3. When there is a signal at the signal input end, the common end and the normal beginning will be switched on;
5. Can be used as a MCU development board module, can be used as home appliances control;
6. Control dc or ac signal, can control 220V ac load;
7. There is a normally open and a normally closed contact;
8.Blue KF301 terminal is more convenient to connect to the control line.
Electrical parameters:
The module Operating voltage: 12V
Static current: 5.5ma
Static current: 42mA8.
Trigger voltage: 0-4v8.
Trigger current: 3mA8.
Working temperature: -20 ° C ~ +85 ° C
Indicator light: LED
Installation: Screw fixation
Size: 58mm/2.3’’ ×45mm/1.77’’ ×26mm/1’’(Length×Wide × Height)
Weight: about 0.1KG
Package including:
10 x relay module
Note: High level trigger refers to the trigger mode with voltage between the signal input terminal and the ground,
which can be understood as a short-circuit trigger mode between the signal input terminal and the VCC positive pole.
Low-level trigger means that the voltage between the signal input end and the ground is triggered by OV,
which can be understood as a short circuit trigger between the signal input end and GND negative pole
Scott
Reviewed in the United States on August 17, 2022
Works fine but floats and will turn on and off if you don't pull the on pin high to keep off. I used a 10k resistor between the on pin and positive 5 volts of my Arduino and pulled Arduino pin low to activate relay.
Vapor
Reviewed in the United States on November 4, 2022
No schenatic. Does the relay coil have a reverse biased diode to suppressInduced backflow from collapsing magnetic field? Missing pullup resistor to keep it from floating and unpredictable state. What pin pitch is the 3 pin connector?
James Graham
Reviewed in the United States on January 5, 2022
How do you set low lever trigger description says jumper but where is jumper.One 3 pin header is repeat non repeat no other jumper location found.Input pin has Vcc on it when relay is powered up 6-9v fluctuating.Using 12v supply, tried two relays same results.
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