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• JK11 Adjustable Cycle Timer Delay On/Off Switch Power Supply Relay Shield DC 5V 12V 24V Timer Delay Relay Module (0 -15 Minutes)(0-60mins)(0-24hours) Feature: It is a high-precision, steady and reliable timer relay module Supports 2 modes, single mode (one time) and loop mode, you may smoothly swap modes through adjusting the jumpers There are a wide range of voltage and time ranges to choose from, either "on" and "off" times are adjustable Equipment and product burn-in assessments can control reciprocating strokes or repeated power switches Widely used in timer operating equipment, mechanical device repeat verify circuits, fish tank intermittent pumps, and many others Specification: Maximum Load Capacity: 10A250VAC, 10A30VDC Size: 70 * 20mm / 2 * 0" Time error: <2% T1 (relay open delay time), T2 (relay off postpone time) Once the mode (jumper OP3): 1 The module is powered on, the relay is turned on when triggered, the put off is T1, and the relay is disconnected 2 When the postpone process is triggered, it triggers again and it instantly interrupts the postpone Loop mode (jumper OP4): 1 The module is powered on, the relay is became on when triggered, the postpone is T1, the relay is grew to become off, the put off is T2, and the relay is turned on back Such a loop T1 and T2 are respectively set by means of two adjustable resistors 2 When the postpone activity is triggered, it triggers again and it instantly interrupts the postpone How to set the time quickly: The time would be set soon by measuring the voltage (Uc) of the resistor Take the 5V 15min module as an instance If Uc = 2V, time = 2V / 5V * 15min = 6min

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