Eaton CB1233B120480RCT Bolted Pressure Switch - UL Listed
Part Number: CB1233B120480RCT
Quick Summary
The Eaton CB1233B120480RCT bolted pressure switch provides reliable trip protection for large industrial motor circuits. Operators often struggle with nuisance trips and downtime; this unit’s capacitor trip device helps prevent unnecessary outages and keeps production lines moving. UL Listed and rated for multiple NEMA configurations, it supports robust enclosure protection (NEMA 1, 3R, 4, 12) while offering flexible protection options. Designed for heavy-duty electrical protection, it enables safer installations, clearer maintenance planning, and reduced replacement costs, making it a practical choice for panel builders and maintenance teams alike.
Product Information
Extended Description
CB1233B120480RCT Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),,1200A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233B120480RCT
UPC
782116956494
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 (SPVR), with control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1233B120480RCT
The CB1233B120480RCT features a three-pole, bottom-feed configuration with fusible protection, delivering a balanced, secure switching path for 480 V system voltages. This translates to higher fault tolerance and predictable operation in MCCs and switchgear, reducing downtime and extending component life through controlled fault isolation. The integrated SPVR (single-phase voltage relay with capacitor trip device) enhances selective tripping, lowering nuisance trips and improving overall system reliability in applications with capacitive startup or transient currents. Its bottom feed and 3-wire design simplify wiring, shorten installation times, and support streamlined panel layouts, which lowers labor costs on large installations. Optional Ground Fault Relay, Blown Fuse Detection, Kirk Provisions, and Auxiliary Contacts provide scalable protection and interoperability with existing safety schemes, improving compliance and diagnostic visibility. Eaton’s warranty and UL Listing reinforce long-term value, reducing maintenance surprises in harsh industrial environments.
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FAQs
Install the CB1233B120480RCT as a bottom-feed, three-pole switch with fusible protection in suitable switchgear or MCCs. Verify system voltage of 480 V and confirm control voltage of 120 V. Use the optional auxiliary contact provisions or ground fault relay if required by your safety scheme. The device supports Kirk provisions and can be integrated with existing control power transformers for reliable operation.
The switch is rated for 1200 A nominal amperage, with a control voltage of 120 V and system voltage of 480 V. It is designed for single-phase protection in three-wire configurations, offering fusible protection and a capacitor trip device (SPVR) to improve selective tripping. It carries UL Listing and is compatible with NEMA 1, 3R, 4, and 12 enclosures.
Yes. With its three-pole design, bottom-feed configuration, and high-current capability, the CB1233B120480RCT is well-suited for motor control centers and switchgear in industrial environments. The SPVR feature helps protect motors against voltage faults, while fusible protection and robust enclosure ratings support safe, reliable operation in demanding applications.
This product is UL Listed and offers multiple NEMA ratings (1, 3R, 4, 12) for versatile enclosure protection. Optional features include Ground Fault Relay, Blown Fuse Detection, Auxiliary Contacts, and Kirk Provisions. These certifications and options help ensure compliance with safety standards while enabling flexible integration into existing electrical architectures.
The capacitor trip device (SPVR) reduces nuisance trips, lowering unplanned downtime and associated maintenance costs. Durable fusible protection and UL/NEMA-rated construction contribute to longer service life and fewer field replacements. A clear warranty window (one year from installation or 18 months from shipment) adds financial predictability for project ROI and total cost of ownership.