Eaton CB2533T120480GRAX6 Pringle bolted pressure contact switch - UL Listed

Part Number: CB2533T120480GRAX6
Manufacturer
Eaton
Part number
CB2533T120480GRAX6

Quick Summary

The Eaton CB2533T120480GRAX6 bolted pressure contact switch provides high-capacity protection for industrial switchgear. Engineers often struggle with reliable SPVR protection and space constraints in large panels. This unit offers a capacitor trip device, ground fault options, top-feed hardware, and UL Listed certification to support safer, code-compliant installations. With NEMA ratings up to 4 and 12 and a three-pole, fusible design rated for 2500A at 480V, it delivers robust protection for demanding electrical environments. In practice, it helps reduce downtime, simplify maintenance, and align with procurement goals for reliability, efficiency, and lifecycle cost reduction.

Product Information

Extended Description

CB2533T120480GRAX6 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch), handle suitable for 6'6" requirements,2500A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480GRAX6
UPC
782116952168
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with no lights (trips switch), handle suitable for 6'6" requirements
Feature → Business Impact → Application: The three-pole bolt-on design delivers high-current interruption capacity (2500A) for large switchgear, supporting dependable motor and process protection in MCCs and distribution panels. This translates to fewer nuisance trips, enhanced system reliability, and a stronger safety margin in critical shutdown sequences, especially in high-demand industries such as metals, chemical, and wind/turbine installations. Feature → SPVR single-phase relay with capacitor trip device provides precise, fast trip performance, reducing arc flash exposure and improving personnel safety during fault conditions; applicable in panels requiring capacitor-based protection and rapid isolation. Feature → Top-feed configuration and ground fault with control power transformer enable straightforward installation and reliable ground fault detection, simplifying wiring schemes and enabling cleaner panel layouts. Feature → Optional Ground Fault Relay, Blown Fuse Detection, and auxiliary/provisions options offer tailored protection and monitoring; these capabilities minimize unplanned outages and support proactive maintenance programs. Feature → NEMA 1, 3R, 4, 12 compatibility and UL Listed certification ensure compliance with global electrical codes while expanding application reach across indoor, outdoor, and harsh environments. Feature → Heavy-duty construction (28 in × 28 in × 17 in footprint; 205 lb weight) supports rugged industrial use and minimizes vibration-related wear, improving long-term durability. Feature → 120V control voltage with 480V system voltage enables flexible integration with common control circuits and motor starters, reducing the need for additional transformers. Feature → Optional Kirk provisions and auxiliary contact provisions enhance interlocking and signaling capabilities, supporting sophisticated control schemes and remote monitoring. Feature → Warranty of one year provides assurance during early life, while Eaton’s specification documents and catalog notes support long-term service planning and retrofit considerations. The combined effect is improved efficiency, safer operation, quicker maintenance cycles, and a favorable total cost of ownership for large-scale automation projects.

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FAQs

Installation requires careful handling due to the unit’s 205 lb weight and 28 in by 28 in footprint. Use proper lifting gear, secure top-feed wiring, and follow manufacturer instructions for fusible configuration and SPVR hookup. Ensure control power transformers and ground fault wiring are correctly routed to avoid voltage drop and mis-tripping. Confirm compatibility with Kirk provisions and auxiliary contacts if signaling or interlocks are needed.
Verify a 2500A amperage rating, 480V system voltage, and 120V control voltage. The device is three-pole with three wires, fusible protection, and supports NEMA 1/3R/4/12 enclosures. Consider optional ground fault relay and blown fuse detection, and ensure the top-feed configuration matches your panel design and cable routing constraints.
Yes, it is designed for heavy-duty protection in large switchgear. With UL Listed certification and NEMA ratings up to 4/12, it performs reliably in indoor and outdoor settings when housed properly. Its robust build, top-feed configuration, and optional protective accessories make it a solid fit for MCCs and high-capacity distribution panels where reliability and safety are paramount.
The CB2533T120480GRAX6 is UL Listed and supports multiple NEMA ratings (1, 3R, 4, 12), ensuring compliance with widely adopted electrical codes. Optional features like Ground Fault Relay and auxiliary provisions further support regulatory requirements for fault protection, signaling, and interlocking in modern switchgear assemblies.
It carries a one-year warranty from installation or eighteen months from shipment, whichever comes first, providing early-life support. The SPVR with capacitor trip device reduces nuisance trips and arc-flash exposure, lowering maintenance costs and downtime. Its rugged construction and compatibility with common control voltages help extend service life, delivering favorable lifecycle cost in large-scale automation projects.