Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 700-CF310E-A |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | IEC Industrial Control Relay |
| Series | Bulletin 700, Type CF (MCS-CF) |
| Contact Configuration | 4-Pole Double-Throw (4 Form C / 4PDT) |
| Coil Voltage | 24 VDC (Electronic Coil) |
| Coil Power Consumption | Approximately 2.7 W (Typical) |
| Rated Insulation Voltage (Ui) | 250 VAC / 300 VDC |
| Rated Operational Current (Ie) | 10 A @ 240 VAC / 10 A @ 28 VDC (Resistive) |
| Mechanical Life | Up to 10,000,000 Operations |
| Electrical Life | Up to 100,000 Operations (at Rated Load) |
| Terminal Type | Screw Terminals |
| Mounting Method | Standard 8-Pin or 11-Pin Socket / DIN Rail |
| Environmental Protection | Sealed Coil and Contacts, Dust Resistant |
Main Features and Advantages
Reliable Signal Isolation and Amplification: The 700-CF310E-A is engineered to handle the fundamental task of bridging low-energy control signals with industrial-strength switching requirements. Its silver contacts and mechanically linked pole design ensure consistent contact closure even after millions of operations, making it a dependable choice for applications where a failed relay translates directly to production downtime. The 10 A contact rating at 240 VAC provides sufficient switching capacity for most pilot duty loads without requiring an intermediate contactor .
Flexible Multi-Circuit Control: With its 4PDT (4 Form C) contact arrangement, the 700-CF310E-A can simultaneously switch up to four independent control circuits from a single coil command. This density is particularly valuable in space-constrained control cabinets where panel real estate is at a premium. The relay’s compact footprint and socket-mount design allow for rapid replacement without disturbing field wiring, reducing maintenance time during unplanned service events .
DC Coil Compatibility with Modern Control Systems: The 24 VDC electronic coil variant of the 700-CF310E-A aligns with the voltage levels commonly used by contemporary PLC systems, safety relays, and distributed I/O platforms. This direct compatibility eliminates the need for interposing relays or signal converters in many retrofit and new-build projects. The electronic coil design also provides consistent pickup and dropout characteristics across the rated voltage range, contributing to predictable system behavior .
Durable Construction for Demanding Environments: The 700-CF310E-A features sealed coil and contact chambers that resist dust and contaminants commonly found in industrial settings. Its mechanically linked contact design ensures that normally open and normally closed contacts cannot be in a closed state simultaneously, providing reliable performance even in safety-related interlock circuits .
