Eaton CB2533T120480PAX7C Pringle bolted switch - UL Listed

Part Number: CB2533T120480PAX7C
CB2533T120480PAX7C
Manufacturer
Eaton
Part number
CB2533T120480PAX7C
Category

Quick Summary

CB2533T120480PAX7C is a bolted pressure switch designed for high-current protection in industrial switchgear applications. When reliability and selectivity matter, conventional relays can deliver nuisance trips or fail to coordinate with upstream protection; this Eaton device employs a capacitor trip and a three-pole topology to improve stability and fault isolation. It carries UL Listed certification and supports rugged NEMA enclosures, including 1, 3R, 4, and 12, with optional Ground Fault Relay and auxiliary provisions to meet safety and spare parts requirements. For maintenance teams and procurement specialists, the unit combines top-feed wiring, a 120 V control voltage, and a 480 V system rating, delivering straightforward commissioning and scalable protection.

Product Information

Extended Description

CB2533T120480PAX7C Eaton: Eaton pringle bolted pressure contact switch,Single-hase voltage relay with capacitor trip device (Taylor), BFD with no lights (trips switch),2500A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480PAX7C
UPC
782116952380
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
205 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
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
Single-hase voltage relay with capacitor trip device (Taylor), BFD with no lights (trips switch)
Switching Devices Flex Center Switching Devices Flex Center Switching Devices Flex Center Switching Devices Flex Center Eaton Specification Sheet - CB2533T120480PAX7C
Feature: 2500 A amperage rating with 2 NO-2 NC contact configuration and a three-pole design. Business impact: handles large fault currents and reduces the need for multiple devices in high-load feeders. Application: ideal for main protection in large switchgear and motor control centers where space and downtime must be minimized. In practice, this enables tighter coordination with upstream protection and lowers total cost of ownership by reducing part count. Long-tail keywords addressed include high-current switchgear protection and three-pole bolted switches in industrial power distribution.Feature: Electrical trip with capacitor trip device and charge-before-close mechanism. Business impact: faster, more reliable tripping with arc-reduction benefits, improving overall plant safety. Application: critical feeders and MCCs where nuisance trips must be avoided while ensuring rapid isolation during faults. This supports engineers seeking reliable protection with minimized false trips and better fault localization in heavy-duty environments.Feature: Top feed configuration and top fuse arrangement. Business impact: simplifies front-entry wiring and reduces panel-depth constraints, accelerating installation and serviceability. Application: new builds or panel upgrades in manufacturing facilities where space is at a premium and wiring clarity matters for commissioning timelines.Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions. Business impact: enhances safety compliance and control-system integration, enabling more comprehensive protection schemes and easier diagnostics. Application: facilities requiring enhanced ground-fault protection and expanded control logic for monitoring and interlocking.Feature: Durable enclosure compatibility with UL Listed and NEMA ratings (1, 3R, 4, 12). Business impact: ensures reliable operation in harsh environments and predictable maintenance planning. Application: OEM panel builders and end users across process, metalworking, and water-treatment sectors seeking robust, serviceable protection devices. Dimensions and weight (17 in L × 28 in H × 28 in W; 205 lb) support planned mounting and retrofit planning.

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FAQs

For installations in large switchgear, ensure front-entry clearance and proper support for a three-pole assembly. Verify compatibility with NEMA-rated enclosures (1, 3R, 4, 12) and confirm top-feed wiring alignment with the control voltage of 120 V. Prepare for space to accommodate the 17 in length, 28 in height, and 28 in width, plus a 205 lb weight, which affects handling and mounting procedures. Utilize optional auxiliary provisions and ground-fault configurations only if your protection scheme requires them, and follow Eaton installation sheets for sequence and torque values.
The capacitor trip device provides a fast, energy-absorbent mechanism to initiate tripping, reducing time-to-trip and improving coordination with upstream protection. In 480 V systems, this minimizes arc energy during faults and enhances safety margins for personnel and equipment. With a 2500 A rating and a three-pole configuration, the unit maintains stable operation under high fault currents while preserving selectivity across phases, which is critical in complex distribution networks.
Yes. CB2533T120480PAX7C is designed for high-current three-phase protection with 2 NO-2 NC contacts, top-feed configuration, and 480 V system compatibility. Its fusible protection and capacitor trip technology support reliable motor starter protection and fault isolation, while the NEMA 1/3R/4/12 ratings ensure enclosure integrity in typical manufacturing environments. Optional features like ground fault relay and auxiliary contacts facilitate integration with motor control centers and PLC-based interlocks.
This Eaton switch is UL Listed for safety compliance and supports multiple NEMA enclosure ratings including 1, 3R, 4, and 12. This combination is particularly important for industrial plants requiring robust protection against dust, water, and other contaminants, as well as mandatory safety certification for installed equipment. If your project specifies additional protective features, consider the optional Ground Fault Relay and Auxiliary Contact Provisions.
The CB2533T120480PAX7C is built for durability with a high current rating (2500 A) and modular options (auxiliary contacts, ground fault provisions) that simplify diagnostics and interlocks. The UL listing and NEMA compatibility reduce downtime through reliable performance in harsh environments, and the top-feed design speeds commissioning. Overall, this translates to lower lifecycle costs and improved uptime for critical manufacturing processes.