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12V power-delay relay Delay circuit module Better than the NE555 chip is available now from our US and UK warehouse

Free shipping to US and UK in 3-6 business days
ship to Canada, Brazil in 7-10 days in US warehouse
ship to European countries in 7-10 days in UK warehouse

12V Power-ON Delay Relay Module Delay Circuit Module NE555 Chip


The module when power is turned on, the timer is started immediately (time range is adjustable), the relay immediately pull switched common terminal of the relay and often the beginning of the end of the time delay, the relay is released, the common and normally closed terminal is turned on.


Imported high quality delay chip design, the performance is far better than the 555 chip
Delay time range selection, the shortest 0.1 seconds, up to one hour, to meet most of the demand
Against power reversal protection diode, the effective protection of the product
Can be accessed by high current loads (AC 250V / 10A, DC 30V / 10A)
Time delay adjustment potentiometer clockwise adjustment will be more long

How it works:

When the module trigger terminal has sensed the switch momentary close, then the module start delay time function, at the same time the relay closed, when the time delay finish, the relay will returns to the normally closed terminal.
When the module is triggering delay, if there are trigger signal is received again, the module will restart timing, automatically trigger the last time until the end of the delay.

Delay time selection method, switch S1, S2, S4 to a different position, the potentiometer can adjust different time range.


The tachograph GPS start protection, household appliances, electronic equipment protection, sound protection, industrial control, PLC control, electronic experiments, Arduino robot, the range of applications is very wide range.

No instructions supply, please note about this before you order it.

Package included:

1 x 12V power-on delay relay module


SKU 137200
Brand Home-made-US

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