Eaton CB2533T120480KGAR Pringle bolted switch - UL Listed
Part Number: CB2533T120480KGAR
Quick Summary
Eaton CB2533T120480KGAR is a bolted pressure contact switch for heavy-duty electrical protection and control. Operators often struggle with unreliable interlocks, nuisance trips, and complex wiring when upgrading legacy protection schemes. UL Listed certification, along with NEMA ratings of 1, 3R, 4, and 12, supports safe enclosure compatibility across diverse environments. With a 2500A amperage rating and 480V system capability, plus a 120V control voltage, this unit delivers scalable protection for large motors while keeping wiring practical. In addition, the robust interlock and optional ground fault and auxiliary provisions translate into reduced downtime, easier maintenance, and faster modernization of plant switchgear for efficient industrial operation.
Product Information
Extended Description
CB2533T120480KGAR Eaton: Eaton pringle bolted pressure contact switch,Interlock, 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
CB2533T120480KGAR
UPC
782116951932
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
Interlock, 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 - CB2533T120480KGAR
Three-pole, top-feed bolted pressure contact switch with interlock and three-off-light (trip) indication provides safe energization sequencing and reduces misoperation in demanding MCC and switchgear configurations. Business impact: improved reliability and faster fault diagnosis in motor control centers; Application: ideal for high-demand manufacturing lines and process automation where accurate trip signaling matters. High amperage rating of 2500A and system voltage of 480V, with 120V control voltage, enables robust protection for large motors while minimizing panel count. Business impact: lower capital expenditure and footprint; Application: large-capacity drives and critical equipment in steel, mining, and chemical plants. NEMA 1, 3R, 4, 12 compatibility and fusible protection ensure regulatory alignment and durable enclosure performance. Business impact: code-compliant protection in diverse environments; Application: harsh or damp factory floors where reliability is essential. Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, Kirk Provisions, and availability of enhanced diagnostics improve preventive maintenance and fault isolation. Business impact: reduced downtime and easier serviceability; Application: plant modernization, safety-compliant retrofits, and life-cycle cost reduction. The compact, top-feed design simplifies installation and support structures, while interlock and BFD features provide clear operational status for technicians and operators alike.
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FAQs
CB2533T120480KGAR is a three-pole, top-feed device designed for motor control centers and other switchgear. It supports a 480 V system with a 2500 A rating and 120 V control voltage, aligning with common MCC architectures. Its NEMA 1, 3R, 4, 12 compatibility and fusible protection simplify retrofit and new installs while maintaining code compliance.
The catalog notes optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, and Kirk Provisions. These options enable proactive diagnostics, fault isolation, and enhanced safety, reducing unplanned downtime and enabling quicker, targeted maintenance in complex protection schemes.
Yes. The unit is rated for 480 V system voltage with a 120 V control circuit. It is designed for three-pole operation with fusible protection, making it suitable for high-current motor protection in industrial environments while keeping control wiring straightforward and accessible.
Best suited for motor control centers, switchgear assemblies, and heavy industrial drives requiring reliable interlock and trip signaling. Common use cases include large motor starters, process lines, and safety-critical protection schemes where 2500A current handling and UL Listed/NEMA-rated enclosure compatibility are essential.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever comes first. Support covers technical data, field service coordination, and access to Eaton’s specification sheets and catalogs for installation guidance and ongoing optimization.