Eaton CB2533B120480AXCT Pringle bolted switch - UL Listed
Part Number: CB2533B120480AXCT
Quick Summary
The Eaton pringle bolted pressure contact switch provides reliable electrical protection for 3-phase feeders in industrial control panels. When protection trips unpredictably or nuisance trips occur, downtime and repair costs spike. UL Listed certification and rugged NEMA ratings—NEMA 1, 3R, 4, and 12—ensure dependable performance in harsh environments and demanding industrial settings. The design supports bottom feed, fusible configuration, and single-phase protection options, delivering a robust low-voltage switching solution for modern facilities. By aligning with Eaton's engineering standards, this device offers long-term reliability and easier serviceability, reducing total cost of ownership in critical automation applications.
Product Information
Extended Description
CB2533B120480AXCT Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),,2500A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480AXCT
UPC
782116952946
Product Length/Depth
17 in
Product Height
32 in
Product Width
28 in
Product Weight
235 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
2500A
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
BFD with no lights (trips switch), 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 - CB2533B120480AXCT
Feature: High amperage and voltage rating translate into real value for your feeders. The CB2533B120480AXCT supports 2500A and 480V system voltage while operating with a 120V control circuit, enabling a single device to protect large motor loads and power distribution trunks. Business impact: This reduces the need for additional protective devices and simplifies panel design. Application: Ideal for switchgear, MCCs, and main feeders in heavy industries such as metals processing and large manufacturing lines. Feature: Bottom feed and fusible configuration provide flexible installation and upgrade paths. Business Impact: simplifies wiring, supports selective protection, and integrates with existing fusing schemes. Application: suitable for retrofit in legacy panels and new builds that require compliant protection and easy service access. Feature: Three-pole, three-wire arrangement and charge-before-close trip mechanism enhance safety and reliability. Business Impact: improves protection coordination and reduces arc flash risk during switching. Application: control circuits in industrial automation, machine rooms, and distributed power systems. Feature: Optional ground fault relay, auxiliary contact provisions, and Kirk provisions offer scalable protection options. Business Impact: enables integration with PLCs, remote monitoring, and enhanced safety compliance. Application: data centers, chemical plants, and oil & gas facilities. Feature: UL Listed and broad NEMA ratings ensure rugged performance and regulatory compliance. Business Impact: accelerates approvals, reduces rework, and supports long-term reliability in harsh environments. Application: any heavy-duty installation requiring dependable protection and serviceability.
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FAQs
Yes. This switch is designed for bottom feed and fusible protection with a three-pole, three-wire configuration. It aligns with common low-voltage distribution practices and supports optional features like ground fault relays and auxiliary contacts, making retrofits and new installations straightforward in standard switchgear and control panel environments.
The device delivers 2500A amperage rating with a 480V system voltage and a 120V control circuit. It employs an electrical trip with charge-before-close, improving safety and coordination with upstream breakers. With fusible protection and NEMA-rated enclosure, it supports robust operation in demanding facilities.
Ideal for heavy electrical feeders in metal fabrication, large manufacturing, and power distribution systems. It is commonly deployed in switchgear, motor control centers, and main feeders where high fault current protection and reliable tripping are essential for uptime and safety.
UL Listed certification guarantees electrical safety compliance for control gear assemblies, while NEMA ratings (1, 3R, 4, 12) ensure suitability for a range of environments from indoor to harsh industrial settings. These certifications streamline approvals, inspections, and maintain consistency with industry safety practices.
Maintenance is typically limited to periodic inspection of protective circuits and connections, with the flexibility to add optional ground fault or auxiliary contacts for improved monitoring. The high current rating, durable construction, and manufacturer warranty contribute to reduced downtime and lower lifecycle costs in critical automation environments.