5V 4 Channel Solid State Relay Module 250V 2A

These modules have no mechanical parts and no annoying clicking noises when switching. Because it has no mechanical parts it will last much longer.

This is a 5Volt- LOW level trigger unit and will work well with microcontrollers.

5V 4 Channel Solid State Relay Module 250V 2A Features:

• Size: 25 * 34 * 25 (L * W * H) Weight: 13g
• Input Power: 5V DC
• Input control signal voltage:
• (0-1.5V input LOW  Relay  ON)
• (2.5 - 5V input HIGH Relay OFF)

interface:
Input section:
DC +: positive power supply (5Volt power to module)
DC-:  negative power supply (0V power to module)
CH: trigger Active LOW per channel.