700-CF310ED | Allen-Bradley | Industrial DC Control Relay

Product Description

The 700-CF310ED from Allen-Bradley is a robust IEC-compliant industrial DC control relay engineered for reliable switching and long operational life. Designed for AC actuating voltage, this relay integrates easily into DIN-rail or screw-mounted control systems, delivering high mechanical endurance and electrical performance in demanding industrial environments.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model: 700-CF310ED

• Product Type: IEC Industrial DC Control Relay

• Voltage Type for Actuating: AC

• Rated Control Supply Voltage: 110V 50 Hz / 120V 60 Hz

• Mounting Method: DIN-rail or screw

• Rated Frequency: 50/60 Hz

• Contact Configuration: 3 Normally Open (NO), 1 Normally Closed (NC)

• Connection Type: Screw terminals

• Mechanical Life: 15,000,000 operations

• Electrical Life Cycle: 1,500,000 operations @ 240V/3A AC-15

• Rated Impulse Strength (Uimp): 6 kV

• Opening Delay (with external diode): 70–125 ms

• Shock Resistance: 30 G (multi-directional)

• Vibration Resistance: Static >2 G; Operational <5 G (no malfunction)

• Ambient Temperature: Storage -55°C to 80°C (-67°F to 176°F)

• Maximum Altitude: 2000 m above sea level

Key Features

• High Durability: Designed for millions of mechanical operations and extended electrical life

• Versatile Mounting: Supports DIN-rail and panel installation for flexible integration

• Robust Contact Configuration: 3 NO and 1 NC contacts allow complex control logic

• Reliable in Harsh Environments: High shock and vibration resistance with 6 kV impulse withstand

• IEC-Compliant Design: Suitable for global industrial standards and applications

Applications

• Motor Control: Integrate into AC motor control circuits for switching and monitoring

• Industrial Automation: Provides reliable relay operation in automated processes

• Control Panels: Fits into compact control panel designs with DIN-rail or screw mounting

• Signal Switching: Supports high-precision switching for control and monitoring signals

FAQ / Model Comparison

• Q: Can the 700-CF310ED handle higher voltages?
  A: It is rated for 110–120V AC actuation; higher voltages may require additional protection.

• Q: How does it compare to the 700-CF320 model?
  A: The 700-CF310ED has slightly fewer contacts but is optimized for DC control with longer mechanical life.