5V 4-Channel Relay Module

Specification: The 5V 4-channel relay module is an electromechanical switching device used to control high-voltage or high-current appliances using low-voltage signals from microcontrollers like Arduino or Raspberry Pi. In a laboratory setting, it is commonly used for automated control of peripheral equipment such as stirrers, pumps, solenoids, or lighting systems. Technical Specifications: * Channels: 4 independent relays * Coil Voltage: 5V DC * Maximum Load (AC): 10A / 250VAC * Maximum Load (DC): 10A / 30VDC * Trigger Signal: TTL level (compatible with 3.3V or 5V logic) * Interface: Opto-isolated inputs for circuit protection * Connection: Standard screw terminals for high-voltage output and pin headers for control inputs * Status Indicators: On-board LED indicators for each relay channel * Switching Type: Normally Open (NO) and Normally Closed (NC) contacts per channel Package: 11.5 x 5.5 x 2cm Weight: 49gm (The dimensions and weight mentioned in the additional information section are of the product with box/packaging.)