Eaton CB1233T120480GRAR Pressure Contact Switch - UL Listed
Part Number: CB1233T120480GRAR
Quick Summary
Eaton CB1233T120480GRAR pressure contact switch provides reliable single‑phase protection for industrial switchgear and motor control centers. Nuisance trips and downtime are common pain points, so this unit uses a capacitor trip device (SPVR) and optional ground fault features to improve reliability. UL Listed certification supports safe operation, and the design suits a range of enclosures with NEMA ratings for diverse environments. Designed for easy integration with top-feed and fusible configurations, it helps streamline maintenance while reducing lifecycle costs. In practice, engineers rely on this solution for dependable motor protection and robust protection against faults within Eaton switching systems.
Product Information
Extended Description
CB1233T120480GRAR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),1200A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480GRAR
UPC
782116898701
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
OPTIONAL Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions, AVAILABLE.
Feed type
Top
Fuse configuration
Top feed
Ground
Ground fault with control power transformer
Number Of Poles
Three-pole
Number of wires
3
Switch type
Electrical trip with charge-before-close mechanism
Type
Pringle bolted pressure contact switch
Amperage Rating
1200A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233T120480GRAR
Feature SPVR single‑phase voltage relay with capacitor trip device. Business Impact Reduces nuisance trips and improves selectivity, cutting unplanned downtime in motor control environments. Application Ideal for switchgear and MCC panels where precise trip sequencing is critical. Feature Three-pole, 3‑wire, fusible design rated at 1200A with 480V system voltage and 120V control voltage. Business Impact Delivers high-current protection with solid control power, enabling safer, more reliable panel operation. Application Suitable for heavy-duty distribution decades in manufacturing plants and processing facilities. Feature Ground fault protection with control transformer option. Business Impact Enhances personnel safety and equipment protection by detecting ground faults early, reducing shock and arc flash risk. Application Essential for facilities requiring enhanced fault protection in power distribution. Feature EN closures compatibility with UL Listed and NEMA ratings. Business Impact Supports installation across a wide range of environments (NEMA 1, 3R, 4, 12) with compliant safety standards. Application Great for retrofit or new builds in industrial switchgear and electrical rooms. Feature Optional catalog features include Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions. Business Impact Improves diagnostic visibility and allows for remote signaling and integration with control systems. Application Valuable in plants needing proactive fault notification and extended maintenance windows. Feature Top feed configuration and Kirk provisions compatibility. Business Impact Simplifies installation and reduces wiring complexity, accelerating panel assembly. Application Ideal for compact skewed spaces in control panels and switchboards.
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FAQs
Yes. The unit is designed with a top-feed fuse configuration and three-wire, three-pole construction, enabling straightforward integration into top-fed switchgear and control cabinets. It supports a fusible protection scheme and is compatible with control power transformers for SPVR operation, reducing wiring complexity during retrofit or new builds.
The CB1233T120480GRAR is rated for 1200A with a 480V system voltage and a 120V control voltage. It uses a single-phase SPVR setup with capacitor trip capability, offering reliable protection in 480V distribution schemes while maintaining compatibility with 120V control circuits and auxiliary signaling options.
Absolutely. With its three-pole, fusible design and SPVR trip logic, the device is well-suited for motor control centers and switchgear where dependable, selective protection is required. The top-feed arrangement and ground-fault capability further enhance protection for motor loads and associated drive equipment in industrial facilities.
The CB1233T120480GRAR is UL Listed, signifying its compliance with recognized safety standards for electrical equipment. This certification supports safer installation in a variety of industrial environments and helps meet regulatory requirements for panel builders and integrators working with low- to medium-voltage systems.
Eaton provides a standard warranty policy (25-000) offering one year from the date of installation or eighteen months from shipment, whichever occurs first. Routine maintenance remains straightforward given the integrated trip device, ground-fault options, and modular design, contributing to reduced downtime and lower lifecycle costs.