4-Channel High/Low Trigger Relay Module (5V) Opto-isolated RM405I

4-Channel 5V relay module up to 10A rated current active high/low trigger directly interfaced to microcontroller or TTL logic with opto-isolation.

  Features :

• LED indicator for each output relay.
• Both normally open and normally close are available.
• Contact current up to 10A (Resistive load).
• Isolated/non-isolated operation mode.
• Active high/low trigger operation.
• Input signals can be applied through screw terminals or pin headers for flexibility.
• Separated screw terminal power input for relay contact (isolated mode).
• Reverse polarity protection.
• Four mounting holes for easy installation.
• Dimension: 80X66X20 mm.