5V relay module low level trigger relay expansion board electronic control module Product information: product description: 1. This module complies with international safety standards, and the control area and the load area have isolation slots; 2, the use of double-sided FR-4 circuit board design, high-end patch production; 3, using Songle genuine relay control; 4, with power and relay action instructions, the light is bright, disconnected and not bright; 5. When the signal input terminal has a low level signal, the common terminal and the normally open terminal will be turned on; 6, the relay can directly control various equipment and load; 7, there is 1 normally open and 1 normally closed contact; 8. The blue KF301 terminal is more convenient to connect to the control line. 9, module size: 43x17x18.5mm; net weight: 15g Module interface: Input section: VCC: Connect 5V power supply positive (powered by relay voltage) GND: Connect the negative pole of 5V power supply IN: Relay module signal trigger terminal (low level trigger is valid) High and low meaning: The high level trigger refers to a trigger mode that uses the positive voltage of the VCC terminal to connect with the trigger terminal. When the trigger terminal has a positive voltage or reaches the trigger voltage, the relay pulls in. Low-level triggering refers to a trigger method that uses the negative voltage of the GND terminal to connect with the trigger terminal. When the trigger terminal has 0V voltage or the voltage is low enough to trigger, the relay pulls in. Electrical parameters: Voltage version Quiescent current Operating current Trigger voltage Trigger current 5V 4mA 65mA 0-2V 2mA 9V 5mA 45mA 0-4V 3mA 12V 5.5mA 42mA 0-4V 3mA 24V 12mA 40mA 0-12V 3mA Relay contact capacity: 250V 10A (AC) or 30V 30A (DC)
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