Eaton CB2533T120480GAX Pringle switch - UL Listed
Part Number: CB2533T120480GAX
Quick Summary
Eaton CB2533T120480GAX is a high-capacity bolted pressure contact switch for industrial power distribution. Engineers often contend with nuisance trips and insufficient fault protection in high-current feeds; this unit mitigates that with top-feed wiring, ground fault options, and a trip-before-close mechanism. It carries UL Listed certification and supports robust NEMA configurations including NEMA 1, 3R, 4, and 12, aligning with harsh plant environments. Designed to streamline installation and improve uptime, it also offers compatibility with optional ground fault relays and auxiliary contacts to fit diverse control architectures and safety programs.
Product Information
Extended Description
CB2533T120480GAX Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),2500A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480GAX
UPC
782116952250
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.
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
BFD with no lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480GAX
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: High amperage and system voltage (2500A, 480V) with 120V control voltage. Business impact: Enables handling large motor and feeder loads without frequent device changes, reducing cascading trips and downtime. Application: Motor control centers and feeder panels in manufacturing facilities. Feature: Top-feed fuse configuration and three-pole design. Business impact: Simplifies wiring, improves fault isolation, and supports safer, cleaner installations in crowded switchgear spaces. Application: Main distribution panels and feeders in industrial plants. Feature: Ground fault capability with control transformer; optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection; Kirk Provisions; Auxiliary Contact Provisions. Business impact: Improves fault detection accuracy, selective protection, and control-system integration, reducing unplanned outages. Application: Plant-wide protection schemes and safety-critical fault-recovery workflows. Feature: Rugged enclosure compatibility and UL certification; NEMA 1, 3R, 4, 12 ratings. Business impact: Ensures compliance, safe operation in wet/dusty environments, and easier audit readiness. Application: Outdoor switchgear, sawn environments, and harsh indoor facilities. Feature: Comprehensive warranty and access to Eaton datasheets and catalogs. Business impact: Supports predictable maintenance planning and faster onboarding for service teams. Application: Installation projects and ongoing asset management programs.
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FAQs
Installation is streamlined by the top-feed fuse configuration and three-pole, three-wire arrangement. The unit supports straightforward wiring into standard switchgear and is compatible with auxiliary contacts and control transformers, reducing field wiring complexity and enabling quicker commissioning for heavy-load applications.
It delivers fusible protection at 480V with a 2500A rating, plus ground fault options and a control transformer for safer, more accurate fault detection. Optional features include Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection, enabling selective protection aligned with plant safety requirements.
Yes, UL Listed certification confirms compliance with safety standards, and the unit supports NEMA ratings 1, 3R, 4, and 12, making it suitable for both indoor and outdoor harsh environments commonly found in industrial facilities.
Warranty follows Eaton policy SP 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Additionally, customers gain access to Eaton specification sheets and catalogs to support maintenance planning and compliance documentation.
Key ROI drivers include reduced nuisance trips, improved fault-detection accuracy, and extended asset life due to robust fusible protection. The top-feed design and compatibility with optional protective options simplify installation and maintenance, contributing to higher uptime and lower total cost of ownership in motor control centers and industrial feeders.