Allen-Bradley 700-CF310E Bulletin 700-CF Control Relay

Allen-Bradley 700-CF310E Bulletin 700-CF Control Relay

Configured for contact switching in industrial control circuits, the Allen-Bradley 700-CF310E (700-CF310E control relay) provides four mechanically actuated contact poles with a 3 N.O. and 1 N.C. configuration. The device uses screw terminals, IP20 finger-safe construction, and supports DIN rail or direct panel mounting.

Hardware Specifications

IEC Control Switching and Mechanical Interface

The 700-CF310E uses a four-pole contact arrangement with three normally open contacts and one normally closed contact. This configuration permits simultaneous switching of separate control paths through one relay mechanism.

The 20 A Ith rating applies under conventional free-air conditions, while utilization-category ratings define permitted AC and DC control loads. Therefore, actual load selection shall use the applicable AC-15 or DC-13 rating rather than the thermal current rating alone.

The electronic coil variant provides controlled coil energization characteristics. However, the supplied data does not identify one fixed coil voltage for the 700-CF310E base designation.

Coil voltage depends on the complete suffix configuration. For example, supplied data identifies 700-CF310EJ as a 24 VDC variant and 700-CF310ED as a 110 V / 120 V AC variant.

Frequently Asked Questions (FAQ)

Q: What contact arrangement does the 700-CF310E provide?
A: The relay provides four poles configured as 3 normally open contacts and 1 normally closed contact.

Q: What mounting methods are supported?
A: The supplied specifications identify 35 mm DIN rail mounting and direct panel screw mounting.

Q: Is the coil voltage fixed for every 700-CF310E designation?
A: No. The supplied data states that coil voltage depends on the complete suffix code, so the installed variant must be verified before wiring.

Field Installation Guidelines

Install the relay on a compatible 35 mm DIN rail or secure it directly to the control panel using the specified mounting arrangement.

Verify the complete catalog designation and coil voltage before applying control power. Do not infer coil voltage from the base 700-CF310E designation alone.

Route coil wiring separately from low-level analog, encoder, thermocouple, and other noise-sensitive signal conductors where practical.

Terminate conductors securely at the screw terminals and maintain appropriate conductor preparation according to the applicable installation standard.

Where shielded control cables are used, terminate shields according to the control system grounding scheme and avoid creating unintended ground loops.

Maintain required electrical clearances and separation from higher-energy conductors according to the applicable panel construction standard.

Confirm contact loading against the specified utilization category before energizing the switched circuit. The 20 A thermal rating shall not be treated as the universal switching-current limit.

Inspect the IP20 finger-safe terminal arrangement after installation and ensure that exposed conductive parts cannot contact adjacent wiring or grounded metalwork.