The Allen-Bradley 700-CF310D is a Bulletin 700-CF industrial control relay designed for switching and control circuit applications. It provides a combination of three normally open contacts and one normally closed contact with an AC coil configuration for use in industrial electrical control systems.
Control Circuit Component Record
| Item | Details |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Catalog Number | 700-CF310D |
| Product Family | Bulletin 700-CF |
| Device Type | Industrial Control Relay |
| Contact Arrangement | 3 N.O. / 1 N.C. |
| Coil Voltage | 110V AC 50 Hz / 120V AC 60 Hz |
| Mounting Method | DIN rail / screw mounting |
| Connection Type | Screw terminals |
| Relay Type | MCS-CF Control Relay |
Relay Application Position
The 700-CF310D is used as a switching component inside industrial control circuits where multiple auxiliary contacts are required from a single relay operation.
It is commonly installed in control panels containing:
- Machine sequence control circuits
- Industrial automation cabinets
- Motor control assemblies
- Auxiliary switching circuits
- Equipment interlock circuits
The relay operates as a control element rather than a power switching device. Its role is to provide electrically isolated contact changes for control logic, signaling, and circuit coordination.
Electrical Configuration
| Parameter | Specification |
|---|---|
| Contact Configuration | 3NO + 1NC |
| Actuation Type | AC Coil |
| Control Voltage | 110V AC (50 Hz) / 120V AC (60 Hz) |
| Frequency | 50/60 Hz |
| Terminal Style | Screw Connection |
| Contact Rating | NEMA A600 / Q600 |
| Rated Impulse Withstand | 6 kV |
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Contact Arrangement Reference
The contact layout of this relay provides different signal states from the same coil operation.
| Contact Type | Quantity | Typical Use |
|---|---|---|
| Normally Open | 3 | Auxiliary switching, control signals |
| Normally Closed | 1 | Interlocking, status circuits |
This 3NO/1NC configuration is commonly selected when a control circuit requires several output paths from one relay point.
Mounting and Installation Details
| Feature | Description |
|---|---|
| Mounting Options | DIN rail or screw mounting |
| Terminal Connection | Screw terminals |
| Relay Weight | Approx. 390 g |
| Mechanical Life | Up to 15 million operations |
| Operating Environment | Industrial control panels |
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