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2PCS DC 12V NE555 Delay Timer Relay Switch Module 0 to 10 Seconds Adjustable for Automotive Control System Electrical Equipment Product Description Main Chip:NE555; Operating voltage: DC 12V; Can be controlled AC 250V/10A /DC 0~30V/max. 10A equipment. (Maximum control equipment 2000W).
The delay time is adjustable (0-10 seconds), Increase the potentiometer can increase the delay time.
NE555 delay module, which consist of high-precision potentiometer ( adjust the output frequency), high frequency filter capacitor and with input power indicator, with the relay is energized light .
With input power indicator, with the relay is energized light.You can know the working status of the relay at a glance.Test phenomenon: After powering on, the red power indicator light lights up. After a delay of 1-10S, the relay engages, a \"\" sound is heard, and the blue relay engages the indicator light.
Useful for applications in equipment-delay to prevent sudden high current which can burn components and devices.
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