Eaton CB2533T120480KRAR Bolted Pressure Switch - UL Listed

Part Number: CB2533T120480KRAR
Manufacturer
Eaton
Part number
CB2533T120480KRAR

Quick Summary

Eaton CB2533T120480KRAR bolted pressure contact switch delivers high-capacity protection for large electrical systems in switchgear and motor control centers. This design addresses common downtime risks by providing fast, reliable fault isolation even in demanding environments. UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures, it supports rugged industrial applications. The interlock and capacitor trip device (SPVR) options enhance protection against single-phase faults, while the top-feed, three-pole configuration simplifies installation. With 480 V system voltage and a 2500 A rating, this switch helps streamline maintenance planning and reduce unplanned outages, all while integrating smoothly with existing protection schemes and control voltages of 120 V.

Product Information

Extended Description

CB2533T120480KRAR Eaton: Eaton pringle bolted pressure contact switch,Interlock, Single-phase relay with capacitor trip device (SPVR), BFD with three off lights (trips switch),2500A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480KRAR
UPC
782116952014
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
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
Interlock, Single-phase voltage relay with capacitor trip device (SPVR), BFD with three normally off lights (trips switch)
Feature → Business Impact → Application: The CB2533T120480KRAR provides 2500 A amperage rating, enabling protection of high-load equipment and reducing thermal stress on feeders; the result is improved reliability and longer service life for switchgear assemblies in power distribution layouts. Application: suitable for large distribution panels and motor control centers where high current handling and fast fault clearing are essential. Feature → Business Impact → Application: Three-pole, three-wire top-feed configuration simplifies wiring, promoting faster installation and reducing labor costs during panel upgrades or retrofits. Application: ideal for new builds or retrofits in industrial plants with 480 V systems and 120 V control circuitry. Feature → Business Impact → Application: Interlock, SPVR, and capacitor trip device provide controlled energization and accurate fault intervention, lowering nuisance trips and improving protection coordination. Application: critical in process industries with sensitive motors and critical loads. Feature → Business Impact → Application: Optional Ground Fault Relay and Blown Fuse Detection enable enhanced diagnostics and safer fault handling, reducing mean time to repair and improving safety compliance. Application: retrofits and upgrades in facilities requiring advanced fault sensing and clear fault indication. Feature → Business Impact → Application: NEMA 1, 3R, 4, 12 compatibility ensures enclosure protection against dust, rain, and humidity, supporting uptime in harsh environments. Application: outdoor substations, wash-down areas, and manufacturing floors with challenging ambient conditions.

Get a Quick Quote for a Eaton CB2533T120480KRAR

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton CB2533T120480KRAR? Enquire Now

FAQs

Installation requires a compatible three-pole, top-feed configuration with 480 V system voltage and a 120 V control circuit. Ensure proper alignment of the pringle bolted pressure contact switch, secure mounting within a UL Listed enclosure, and confirm circuit wiring matches the three-wire, three-pole design. Use the optional auxiliary/contact provisions if needed for control logic.
This switch is rated for up to 2500 A with 480 V system voltage and a 120 V control voltage. It provides fusible protection, three-pole operation, and an interlock-capacitor trip device (SPVR) option. It is designed for NEMA 1, 3R, 4, and 12 enclosures, supporting reliable protection in demanding environments.
Yes. The CB2533T120480KRAR is UL Listed and compatible with NEMA-rated enclosures including 1, 3R, 4, and 12. Its top-feed, three-wire configuration and interlock/SPVR options are intended to withstand industrial conditions, while optional ground fault protection enhances safety and diagnostic visibility in outdoor or wash-down areas.
Routine maintenance should include periodic inspection of mechanical interlocks, verification of terminal torque, checking the capacitor trip device operation, and confirming no ground fault relay is required when not installed. Keep spare fuses and replacement contacts on hand. Schedule downtime for thermal and electrical testing to sustain reliability over the lifecycle.
Upgrade benefits include reduced unplanned outages due to improved fault isolation, lower maintenance labor through streamlined installation, and enhanced protection coordination with SPVR. The high current rating and robust enclosure compatibility translate to longer intervals between replacements, contributing to lower total cost of ownership in large distribution networks.