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This relay board is designed to provide immediate voltage output to the load after connecting to 220V, and it disconnects the load after the delay arrives. It is easy to use with direct mains input and direct 220V output. You can connect the power cord, load, and button externally.

The relay used in this board is of high quality and original Songle brand, with a switch current of up to 10A. It is equipped with normally open and normally closed points, which can be connected as needed.

The potentiometer for delay adjustment time length is continuously adjustable from 1 second to 60 seconds. The main control of the board uses the NE555 monostable circuit, ensuring accurate delay.

For power supply control, this board uses RC step-down and X2 capacitor for safety regulations. The step-down resistor is a 3W high-power resistor, and the filter capacitor is up to 470uF, ensuring stable and reliable power supply.

The board is made of FR-4 glass fiber board, suitable for mains requirements, and not easy to produce leaking arc. It can adapt to various environments and temperatures of electrical appliances.

Specification:

- With 4 mounting holes for easy installation - Input: 220V - Output: 220V, current peak 10A (max 2200W) - Size: Approx. 7 * 4 * 2 cm/ 2.76 * 1.57 * 0.79 inches - Package weight: 32.6 g / 1.15 oz 100% Satisfaction: Our customers are our top priority.

If you find any product problems after receiving the item, such as damage or incorrect item quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sales service.