Allen-Bradley 700-CF310ED IEC Series DC Control Relay

Description

The Allen-Bradley 700-CF310ED is a high-performance industrial DC control relay engineered for reliable switching in IEC-compliant control systems. Designed for both precision and durability, this relay provides long operational life, robust mechanical and electrical endurance, and resistance to environmental stress such as vibration and shock. It is suitable for control panels, automation systems, and critical industrial applications requiring consistent actuation performance.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Line: IEC Industrial Relays

• Model Number: 700-CF310ED

• Product Type: DC Control Relay

• Actuating Voltage Type: AC

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

• Mounting Method: DIN rail or screw mounting

• Rated Frequency: 50/60 Hz

• Contact Configuration: 3 Normally Open (NO) contacts and 1 Normally Closed (NC) contact

• Connection Type: Screw terminals

• Mechanical Life: 15,000,000 operations

• Electrical Life: 1,500,000 operations at 240V/3A (AC-15)

• Rated Impulse Strength (Uimp): 6 kV

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

• Shock Resistance: 30 G (all three axes)

• Vibration Resistance: Static >2 G; No malfunction <5 G in normal orientation

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

• Maximum Operating Altitude: 2000 m above sea level

Application Scenarios

The 700-CF310ED relay is ideal for industrial environments that require precise and reliable switching. Typical applications include:

• Motor control panels and starter systems

• Process automation and industrial machinery

• Control circuits requiring IEC-compliant relays

• Systems with exposure to vibration, shock, or harsh ambient conditions

Comparison with Similar Models

• 700-CF300 Series: Standard DC control relays with fewer contact points

• 700-CF310ED: Enhanced life cycle and high shock/vibration resistance

• 700-CF320: Higher current rating for heavy-duty applications

FAQs

Q1: Can the 700-CF310ED be used in AC and DC circuits?
A1: The relay is actuated by AC voltage but switches DC control circuits effectively.

Q2: How long is the mechanical life of this relay?
A2: It is rated for 15 million mechanical operations, ensuring extended durability.

Q3: Is the relay suitable for high-vibration environments?
A3: Yes, it is designed to withstand up to 30 G shock and vibration, maintaining reliable operation.