Eaton CB2533T120480GRAR - Bolted pressure switch UL Listed
Part Number: CB2533T120480GRAR
Quick Summary
The Eaton CB2533T120480GRAR is a bolted pressure switch designed for high-current protection in industrial power distribution. Nuisance trips, downtime, and complex wiring often erode productivity and escalate maintenance costs. UL Listed certification provides essential safety assurance, while NEMA ratings 1, 3R, 4, and 12 support rugged enclosure compatibility. With 120 V control, 480 V system voltage, and 2500 A amperage, it delivers reliable single-phase protection in top-feed, fusible configurations. This combination reduces downtime, streamlines commissioning, and improves ROI for industrial facilities. The design also supports optional ground fault and auxiliary provisions for extended protection.
Product Information
Extended Description
CB2533T120480GRAR Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three off 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
CB2533T120480GRAR
UPC
782116899227
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
215 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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off 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 - CB2533T120480GRAR
The three-pole bolted pressure switch includes a capacitor trip device for single-phase protection, delivering fast, predictable trips during overload events. This reduces nuisance trips and extends switch life, improving uptime in large distribution panels and motor control centers. Top-feed and fusible configuration simplify wiring, enabling cleaner panel layouts and easier serviceability in harsh factory environments. Optional ground fault relay and auxiliary provisions provide layered safety and fault detection, aiding compliance with plant safety programs. The unit’s NEMA-rated enclosure compatibility and UL Listed certification translate to demonstrated reliability in exposed industrial settings. Heavy-duty construction and a 215 lb footprint justify robust mounting solutions, reducing vibration-related wear and maintenance costs over time. These attributes collectively support easier commissioning, lower total cost of ownership, and predictable performance across demanding applications.
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FAQs
CB2533T120480GRAR is a three-pole, three-wire switch rated for 480 V system voltage with a 2500 A amperage rating and 120 V control. It uses top-feed fusible protection and is designed for large panelboards and motor control centers, ensuring safe, reliable operation in industrial environments.
SPVR stands for single-phase voltage relay with a capacitor trip device. It provides a controlled trip sequence that minimizes arc energy and prevents unnecessary outages. This improves reliability for single-phase faults on 480 V systems and helps reduce maintenance interruptions.
Yes. The assembly is UL Listed and supports rugged enclosure use, with NEMA ratings 1, 3R, 4, and 12 indicating suitability for a range of harsh environments. Always match enclosure rating to your installation circumstances for optimal protection.
Top-feed and fusible design simplify wiring in control panels and switchgear, reducing wiring complexity and installation time. Ensure proper grounding and clearances, and plan for secure mounting given the unit’s 215 lb weight. Optional ground fault relay and auxiliary provisions can be added to meet specific safety programs.
Eaton provides warranty under policy 25-000: one year from date of installation or eighteen months from shipment, whichever comes first. Support includes access to specification sheets, catalogs, and optional features such as ground fault detection and auxiliary contacts to match application needs.