Eaton CB1233T120480KAX7 Pringle bolted pressure switch - UL
Part Number: CB1233T120480KAX7
Quick Summary
The Eaton CB1233T120480KAX7 bolted pressure switch is a high-current control device designed for industrial switchgear and motor control centers. Engineers often struggle to achieve reliable protection that fits top-feed configurations while delivering decisive fault isolation and fast trips. This unit carries UL certification and broad NEMA ratings (NEMA 1, 3R, 4, 12), enabling safe operation in harsh environments and diverse installations. In practice, it supports 480 V power systems with a 1200 A current rating and a 120 V control circuit. Optional ground fault relays, auxiliary contacts, and single-phase protection help tailor protection schemes, improving uptime, simplifying retrofits, and ensuring regulatory compliance in new builds and modernization projects.
Product Information
Extended Description
CB1233T120480KAX7 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with no lights (trips switch),1200A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1233T120480KAX7
UPC
782116955435
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.
Contact configuration
2 NO-2 NC
Feed type
Top
Fuse configuration
Top 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
Interlock, 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 - CB1233T120480KAX7
Feature: High-current rating of 1200 A at 480 V. This capability reduces the need for multiple devices in large feeders, cutting inventory complexity and installation time. Application: switchgear and motor control centers handling heavy loads in manufacturing facilities. Feature: 2NO-2NC, 3-pole contact configuration. This enables flexible control logic and safe interlocking with both normally open and normally closed circuits, simplifying sequencing and protection schemes. Application: feeder protection and start/stop control in automated lines. Feature: Top-feed fuse configuration with options for ground fault protection. Business impact: streamlines wiring, improves fault isolation, and supports safer maintenance in dense panels. Application: top-fed layouts and protective assemblies in industrial power distribution. Feature: Interlock with charge-before-close mechanism (BFD) for enhanced safety. Business impact: reduces risk of unintended energization, improving operator safety and regulatory compliance. Application: multi-device cabinets and systems requiring strict interlock control. Feature: UL/NEMA-compatible rugged enclosure with optional accessories. Business impact: supports harsh environments, simplifies commissioning, and enables expansion with Ground Fault Relay, Auxiliary Contacts, and Kirk provisions. Application: retrofit projects and new installations in industrial plants.
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FAQs
The CB1233T120480KAX7 uses a top-feed configuration with three poles and a 2NO-2NC contact set. It is designed for three-wire systems and 480 V feeders, supporting straightforward wiring within switchgear and motor control centers. Optional auxiliary contacts and provisions for Kirk accessories allow scalable control schemes without sacrificing safety or reliability.
Key specs include a 1200 A amperage rating, 480 V system voltage, 120 V control voltage, and a three-pole arrangement with 2NO-2NC contacts. Protection is fusible, with interlock and a charge-before-close mechanism. It is suitable for NEMA 1, 3R, 4, 12 environments and supports optional features like ground fault relay and auxiliary contacts for enhanced diagnostics.
Yes. The CB1233T120480KAX7 is UL Listed and carries broad NEMA compatibility, including ratings for NEMA 1, 3R, 4, and 12 enclosures. This compliance supports safe use in industrial switchgear, reduces certification risk for projects, and streamlines commissioning in new installations or modernization programs.
This switch is ideal for high-current protection in switchgear, motor control centers, and large feeders in manufacturing or processing facilities. Its top-feed design, 1200 A rating, and 480 V system compatibility make it a solid fit for primary power distribution, with optional ground fault and auxiliary contacts enabling advanced protection schemes.
Maximize ROI by leveraging available options such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and Auxiliary Contacts to tailor protection. Plan for top-feed wiring, verify NR/auxiliary provisions, and maintain fuse assemblies as per OEM guidelines. The rugged UL/NEMA-compatible enclosure supports long service life in harsh environments, reducing replacement cycles and downtime.