YYS_4 Relay Module_ DC AC 7V~30V Programmable 3_Channel Relay Control Module Trigger Delay Timer Self_Latching Interlock Switch Adjustable from 0.1 Seconds to 999 Minutes

Features: This programmable control board is designed with 3-channel relays. It supports time delay/interlock/self-latching/sequential starting. The module is powerful and convenient to operate. There are six kinds of commonly used functions to meet the demand of more applications. It can be used to control solenoid valves, pumps, motors, light belt, etc. Specification: Model: YYS-4 Input voltage: DC/AC 7V~30V Output power: Can control DC or AC loads within 5A Time range: Adjustable from 0.1 seconds to 999 minutes Wiring: 1, AC/DC: Input power supply DC/AC 7V~30V 2, IN1: Signal input 1 (negative trigger) 3, IN2: Signal input 2 (negative trigger) 4, IN3: Signal input 3 (negative trigger) 5, NO: relay normally open interface, relay are disconnected before energized, and connected to COM after energized. 6, COM: relay COM interface 7, NC: relay normally closed interface, connected to COM before relay is energized, and disconnected after relay is energized. Package list: 1 * Module