Product Details
Product Description
The 700-CF310EJ by Allen-Bradley is a Series A control relay engineered for reliable DC actuation and versatile industrial applications. Its compact design and robust performance make it suitable for DIN-rail or screw mounting in control panels.
Electrical Specifications
-
Model: 700-CF310EJ
-
Type: Series A Control Relay
-
Actuation Voltage: DC
-
Rated Control Supply: 24 V DC
-
AC Rated Control Supply: 0 V (50/60 Hz)
-
Rated Frequency: 50/60 Hz, DC
-
Contact Rating: Side-mounted auxiliary contacts NEMA A600, Q600
-
Electrical Life Cycle: 150,000 operations @ 240V
-
LED Indicator: Yes
-
Rated Impulse Strength (Uimp): 6 kV
Mechanical Specifications
-
Operating Time: Closing delay 25 ms; opening delay 70–125 ms (with external diode)
-
Connection Type: Screw terminals
-
Mounting: DIN-rail or screw
-
Weight: 390 g
-
Mechanical Life Operations: 15,000,000 cycles; auxiliary/pneumatic timer contacts: 5,000,000
-
Shock Resistance: IEC 60068-2, half-sinusoidal shock 11 ms, 30 G
-
Vibration Resistance: IEC 60068-2, static >2 G, no malfunction <5 G
-
Manual Operation: Not supported
Environmental Specifications
-
Altitude: Up to 2000 m, per IEC 60947-4
-
Storage Temperature: –55 to 80°C (–67 to 176°F)
-
Ambient Temperature: Operation within –55 to 80°C
Key Features
-
LED indication for visual status monitoring
-
Compact DIN-rail/screw mounting for flexible installation
-
High impulse strength and mechanical durability
-
Supports high-speed DC actuation and reliable industrial control
Applications
-
Industrial machinery control panels
-
Automation system auxiliary switching
-
Signal relay in process and factory automation
FAQ / Comparison
Q: Can this relay be used for AC control voltage?
A: No, the 700-CF310EJ is designed specifically for DC actuation; AC input is rated at 0 V.
Q: Does it support manual operation?
A: Manual operation is not supported; this relay is intended for automated switching.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.