Eaton CB1233B120480GRAX7 Pringle Bolted Switch - UL Listed
Part Number: CB1233B120480GRAX7
Quick Summary
Eaton CB1233B120480GRAX7 is a bolted pressure contact switch for motor protection in switchgear. Effective trip accuracy and reliable operation reduce downtime and spare parts costs in critical process lines. UL Listed certification supports safety compliance, while its compatibility with broad NEMA-rated enclosures (NEMA 1, 3R, 4, 12) ensures robust protection in demanding environments. For engineers and procurement teams, the combo of 120 V control voltage and 480 V system rating simplifies design choices, while bottom-feed, 2NO-2NC contact configuration and fusible protection streamline installation and maintenance across industrial applications. This delivers tangible business value through improved safety, reliability, and total cost of ownership.
Product Information
Extended Description
CB1233B120480GRAX7 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),1200A,2NO-2NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480GRAX7
UPC
782116956272
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
200 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.
Contact configuration
2 NO-2 NC
Feed type
Bottom
Fuse configuration
Bottom 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 no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB1233B120480GRAX7
Feature: Single-phase relay with capacitor trip device (SPVR) and BFD with no lights. Business Impact: Improves trip speed and reduces nuisance trips, lowering downtime and maintenance costs. Application: Suitable for motor protection in switchgear and panel boards. Feature: 1200A amperage rating with 120 V control voltage and 480 V system voltage. Business Impact: Supports high-load applications with straightforward control wiring, enabling consistent performance across processes. Application: Heavy-duty line protection for pumps, conveyors, and compressors. Feature: 2 NO-2 NC contact configuration in a three-pole, bottom-fed design. Business Impact: Simplifies wiring, enhances selectivity, and eases field retrofits in existing assemblies. Application: Three-wire control schemes in industrial panels. Feature: Fusible protection and ground fault with control power transformer. Business Impact: Adds overcurrent protection and ground fault detection, improving safety and compliance. Application: Panel-based protection in hazardous environments. Feature: Optional Ground Fault Relay and auxiliary provisions (Kirk provisions, auxiliary contact provisions). Business Impact: Enables modular upgrades without major rewiring, supporting scalable protection strategies. Application: Retrofit projects and configurable protective schemes in complex switchgear. Feature: Rugged enclosure compatibility with NEMA ratings (1, 3R, 4, 12). Business Impact: Extends service life in harsh environments and simplifies regulatory compliance. Application: Industrial facilities with moisture, dust, and weather exposure. Feature: Compact footprint with defined dimensions (16 in depth, 24 in width, 32 in height) and 200 lb weight. Business Impact: Aids in space planning, mounting accuracy, and installation scheduling. Application: New builds and plant expansions where footprint matters. Feature: UL Listed certification and Eaton warranty coverage. Business Impact: Reduces risk and provides assurance of safety compliance and post-sale support. Application: Procurement decisions in regulated industrial settings.
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FAQs
CB1233B120480GRAX7 installs as a bottom-fed, three-pole switch with 2NO-2NC contacts. Use the SPVR/trip device and fusible protection as configured, wire to the 120 V control circuit while supporting a 480 V system voltage. The unit’s dimensions and weight require planning for mounting and service access in standard switchgear or control panels. Ensure UL Listed compliance and verify enclosure rating matches your environment.
Key specs include a 1200 A current rating, 120 V control voltage, 480 V system voltage, and a three-pole, 2NO-2NC contact configuration. It supports fusible protection and a ground fault with a control transformer. The device operates within NEMA-rated enclosures and is designed for reliable protection in demanding industrial applications such as pumps, conveyors, and motors.
Yes, it is designed to work with broad NEMA ratings (NEMA 1, 3R, 4, 12) and carries UL Listed certification, ensuring safety compliance in industrial environments. The bottom-feed design and robust fuse protection support reliable operation in dusty, humid, or mechanically demanding settings typical of switchgear and motor control centers.
The CB1233B120480GRAX7 carries UL Listed certification, indicating adherence to established safety standards. Its compatibility with NEMA-rated enclosures further supports compliance with enclosure protection requirements in industrial facilities. Optional features such as ground fault protection and auxiliary provisions can enhance regulatory alignment and system safety.
The combination of SPVR, 2NO-2NC contacts, and fusible protection minimizes nuisance trips and unplanned downtime, improving plant uptime and production throughput. UL listing reduces compliance risk, and the option to add ground fault and auxiliary features supports scalable protection. Overall, the solution offers predictable performance, easier maintenance, and favorable total cost of ownership.