Eaton CB1233B120480PC Bolted Pressure Contact Switch UL
Part Number: CB1233B120480PC
Quick Summary
The Eaton CB1233B120480PC bolted pressure contact switch is a reliable solution for high-current, single-phase protection in industrial power systems. It enables safe control and fast fault response in heavy-duty feeders and switchgear, reducing downtime and risk of equipment damage. Engineers rely on its rugged design, UL Listed certification, and versatile enclosure compatibility to meet demanding codes and installation standards. This model supports 1200 A at 120/480 V with fusible protection and bottom-feed configuration, while offering optional features like ground fault relay and capacitor trip devices for enhanced selectivity. By integrating this switch into your protection scheme, you gain predictable tripping behavior, easier maintenance, and improved overall system reliability.
Product Information
Extended Description
CB1233B120480PC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor),1200A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480PC
UPC
782116956500
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.
Feed type
Bottom
Fuse configuration
Bottom feed
Ground
No ground fault
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 (Taylor)
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - CB1233B120480PC
High-current capability and rugged build enable applications with large feeders and critical loads while reducing nuisance trips and equipment wear. The 1200 A rating at 120/480 V provides a robust protection boundary for industrial power distribution, translating to fewer unplanned outages and lower spare-part inventories. The built-in capacitor trip device (Taylor) delivers fast, selective tripping in single-phase protection schemes, boosting uptime in motors and unloading circuits. Three-pole, bottom-feed configuration simplifies wiring, improves clearance, and supports straightforward retrofits in existing panels. Fusible protection enhances coordination with upstream protection schemes, helping to avoid full-system shutdowns during faults while maintaining selectivity. UL Listed certification and NEMA compatibility (1, 3R, 4, 12) give engineers confidence in code compliance and enclosure versatility across harsh environments. Optional ground fault relay and blown-fuse detection expand protective coverage without complicating maintenance, delivering reliable performance with predictable maintenance windows.
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FAQs
Install the CB1233B120480PC with bottom-feed conductors and three wires, following the catalog notes for optional ground fault relay, auxiliary contact provisions, and Kirk provisions. The three-pole configuration and fusible protection support straightforward integration into 480 V feeders, while UL Listed certification ensures code compliance. Verify enclosure rating (NEMA 1/3R/4/12) and space for a 16 in by 32 in by 24 in footprint.
Key specs include a 1200 A amperage rating, 120 V control voltage, and 480 V system voltage with fusible protection. It uses a capacitor trip device for fast, selective tripping and a charge-before-close mechanism. It is a three-pole, three-wire design with bottom feed and UL Listed certification, compatible with NEMA-rated enclosures to simplify field installation.
Yes, the CB1233B120480PC is designed for heavy-duty industrial feeders and can be integrated into motor control centers. Its three-pole, fusible configuration and 480 V system compatibility support reliable protection for large motors. With UL Listed status and NEMA-rated enclosure compatibility (1/3R/4/12), it is suitable for environments requiring robust protection and longevity.
The CB1233B120480PC carries UL Listed certification and is compatible with multiple NEMA-rated enclosures, including NEMA 1, NEMA 3R, NEMA 4, and NEMA 12. This combination supports code compliance across commercial and industrial installations, enabling flexible mounting in control panels and switchgear while maintaining protective performance.
The switch offers predictable, capacitor-based trip behavior that reduces unexpected trips and simplifies fault diagnosis. Its robust 1200 A rating and bottom-feed wiring minimize downtime during maintenance, while optional features like ground fault relay and blown-fuse detection expand protective coverage without added complexity. Together, these factors support lower maintenance costs and improved uptime, delivering measurable ROI over the equipment lifecycle.