Eaton CB2533T120480G14 Pringle bolted pressure switch - UL
Part Number: CB2533T120480G14
Quick Summary
Eaton CB2533T120480G14 is a bolted pressure contact switch designed for high-current control in industrial power distribution. Operators rely on dependable protection and straightforward integration to minimize downtime in large motor circuits. This UL Listed device offers broad NEMA compatibility (NEMA 1, 3R, 4, 12), ensuring regulatory and environmental suitability. With a control power transformer, top-feed configuration, and fusible protection, it delivers safer operation, faster installation, and lower lifecycle costs across plant-wide control systems.
Product Information
Extended Description
CB2533T120480G14 Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,2500A,3NO-3NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480G14
UPC
782116952281
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
3 NO-3 NC
Feed type
Top
Fuse configuration
Top feed
Ground
Ground fault with control power transformer
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
With control power transformer
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - CB2533T120480G14
Feature: High-current rating of 2500A with a 3NO-3NC contact configuration. Impact: Enables direct switching of large motors and heavy loads, reducing external contactors and arcing risks. Application: Power distribution panels and motor control centers in manufacturing facilities benefit from streamlined startup sequences and compact wiring. Feature: Integrated control power transformer and ground fault protection. Impact: Simplifies control wiring, enhances safety, and improves fault visibility. Application: Industrial automation and machine rooms require reliable fault sensing and safe operation. Feature: Top feed fuse configuration with three-pole, three-wire design and a rugged enclosure. Impact: Eases wiring layout, enables versatile protection schemes, and reduces installation time. Application: Bulk feeders and substations in harsh environments benefit from robust, space-efficient protection. Feature: NEMA-rated enclosure compatibility and UL Listed certification. Impact: Ensures regulatory compliance and durable performance across varied environments. Application: Construction sites, manufacturing floors, and outdoor spaces demand tough protection. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contact Provisions. Impact: Provides configurability to meet specific safety standards and maintenance needs. Application: Customizable protection schemes for complex electrical systems.
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FAQs
When planning installation, account for the 17 in length, 28 in width, and 28 in height footprint and the 205 lb weight. The top-feed fuse configuration and three-pole, three-wire design simplify wiring, while space for the integrated control power transformer reduces run wiring. Ensure enclosure rating matches environment and that UL Listed status is compatible with your facility standards.
A 2500A rating supports direct switching of high-current motors, reducing the need for external contactors and lowering wiring complexity. Fusible protection adds an extra layer of fault isolation, while the 3NO-3NC configuration supports flexible control logic. This combination improves startup reliability and minimizes arcing and downtime in heavy-load applications.
Yes. The CB2533T120480G14 is designed for 480V systems and is compatible with multiple NEMA configurations (1, 3R, 4, 12), making it suitable for both indoor and outdoor or harsh environments. The rugged enclosure and top-feed design streamline integration into motor control centers and other industrial installations.
This switch is UL Listed, providing recognized safety approval for electrical equipment. It also supports broad NEMA compatibility (1, 3R, 4, 12), which helps ensure regulatory compliance across a range of industrial environments and enclosure types.
The integrated control power transformer reduces wiring complexity and simplifies control circuits, lowering installation time and potential wiring errors. Ground fault protection and optional features like blown fuse detection or auxiliary contacts improve fault visibility and maintenance planning, contributing to higher uptime, safer operation, and lower total cost of ownership over the system’s life.