220V relay board time delay P4I7 circuit module stair light power on

220V relay board, power on, time delay, circuit module stair light, P4I7 192090111848. Colour:greenMaterial:metalafter the 220V is connected, the output voltage is delivered to the load immediately, and the load power is broken when the delay arrives. Direct power input, direct 220V output. External power line, load, button can work. Easy to use. Adopt high quality original loose relay, switch current up to 10A. It is equipped with normally open and normally closed points and can be connected as required.The length of time adjustment is adjustable continuously. One second to 60 seconds.The main control adopts NE555 monostable circuit, and the time delay is accurate.Control part of power supply adopts RC step-down, capacitor adopts X2 capacitor according to safety regulation, step-down resistor adopts 3W high-power resistor, filter capacitor up.. Condition:： New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions ： MPN: ： Does not apply ， ISBN: ： 192090111848： Brand: ： Unbranded ， EAN: ： 192090111848 ，

220V relay board time delay P4I7 circuit module stair light power on

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