Eaton CB2533B120480 Pressure contact switch - UL Listed
Part Number: CB2533B120480
Quick Summary
The Eaton CB2533B120480 pressure contact switch enables safe, reliable control of high-current motor and distribution circuits. Engineers often face nuisance trips, ground-fault concerns, and time-consuming maintenance in legacy switchgear, which drives costly downtime. UL Listed certification provides safety compliance while the product supports diverse enclosures with NEMA ratings 1, 3R, 4, and 12 for harsh environments. This model is designed for three-pole operation at system voltages up to 480 V and incorporates fusible protection with bottom-feed configuration for easy wiring. With a 2500 A amperage rating and 120 V control voltage, it delivers robust protection for demanding applications while simplifying installation and maintenance across industrial facilities.
Product Information
Extended Description
CB2533B120480 Eaton: Eaton pringle bolted pressure contact switch,2500A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480
UPC
782116899135
Product Length/Depth
17.5 in
Product Height
32 in
Product Width
28 in
Product Weight
240 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
Bottom
Fuse configuration
Bottom 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
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533B120480
Feature: The CB2533B120480 provides a high current capability of 2500A with a 480 V system voltage and a 120 V control circuit, configured as a three-pole, three-wire fusible device with bottom feed. Business impact: This combination delivers robust protection for large motors and feeders, enabling reliable start-stop sequences while minimizing nuisance tripping and fuse-related outages. Application: Ideal for motor control centers, heavy-duty conveyors, and pumping stations in industrial facilities. Feature: Bottom feed design simplifies panel wiring and reduces field termination errors. Business impact: Faster installation, fewer miswirings, and improved safety by consistent wiring practices. Application: Fits compact switchgear layouts in manufacturing lines and distribution panels where space is at a premium. Feature: UL Listed certification and NEMA ratings provide safety compliance and enclosure compatibility. Business impact: Enhanced regulatory alignment and protection across varied environments. Application: Suitable for harsh environments requiring NEMA 1, 3R, 4, and 12 enclosures. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions extend protection and monitoring with minimal footprint. Business impact: Greater fault visibility and control integration with existing automation. Application: Routine integration in MCCs and safeguarding schemes for critical loads. Feature: Robust construction and warranty support from Eaton reduce maintenance costs and downtime. Business impact: Longer service life, predictable upkeep, and a one-year (or 18 months from shipment) warranty enhances total cost of ownership. Application: Industrial facilities seeking reliable, low-maintenance protection for high-current circuits.
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FAQs
The CB2533B120480 is designed for three-pole operation with a bottom-feed setup, simplifying termination in standard switchgear. Ensure correct alignment of phase connections, fuse configuration, and control wiring to minimize miswiring. Consult the Eaton specification sheet for wiring diagrams and optional provisions.
This model delivers 2500A amperage rating, 480 V system voltage, 120 V control voltage, and fusible protection. It is a three-pole, three-wire device with bottom feed and no ground fault in its base configuration, compatible with UL Listed safety requirements.
Yes. The product is rated with NEMA compatibility for 1, 3R, 4, and 12 enclosures, enabling use in damp, dusty, and outdoor environments when paired with appropriate enclosures and mounting provisions.
It is UL Listed and supports optional features listed in catalog notes, including Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions, which extend protection and monitoring without adding significant footprint.
Expect reduced downtime from lower nuisance trips and improved fault detection. The high current capability, robust protection, and optional monitoring options help extend component life, simplify maintenance, and streamline integration with existing automation, delivering measurable reductions in maintenance labor and mean time to repair.