24v Relay 4 Channel Module

24v Relay 4 Channel Module

Specifications:

• Number of Channels: 4
• Relay Type: Electromechanical relay
• Control Voltage: 24V DC
• Relay Contact Rating:
  • AC: 250V AC at 10A
  • DC: 30V DC at 10A
• Isolation: Optocoupler isolation between control circuit and relay

Input Specifications:

• Input Voltage: 24V DC (to control the relays)
• Trigger Current: Typically around 20mA to 30mA per channel
• Trigger Type: Active Low (relays are triggered by grounding the input)
• Optocoupler Isolation: Each relay channel is isolated using an optocoupler for better noise immunity.

Output Specifications:

• Relay Contact Type: Normally Open (NO) and Normally Closed (NC)
• Max Switching Voltage: 250V AC, 30V DC
• Max Switching Current: 10A per channel
• Contact Material: Silver alloy for high durability

Mechanical Specifications:

• Board Dimensions: Typically around 75mm x 55mm x 20mm (may vary by manufacturer)
• Mounting Holes: Provided for screw mounting
• Connector Type:
  • Input: 4-pin terminal block for control signals (VCC, GND, IN1, IN2, IN3, IN4)
  • Output: 3-pin terminal block per relay (Common, Normally Open, Normally Closed)

Environmental Specifications:

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -55°C to +125°C
• Humidity Range: 5% to 95% RH (non-condensing)

Features:

• LED Indicators: Each relay channel has an LED indicator to show the status of the relay (ON/OFF).
• Optocoupler Isolation: Provides isolation between the control signal and the relay for protection against voltage spikes and noise.
• High-Quality Relay: Ensures reliable switching with a long operational lifespan.

Power Specifications:

• Power Supply for Relay Board: 24V DC
• Power Consumption: Typically 75mA to 100mA per active relay

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