Eaton CB2533T120480A95 Bolted Pressure Switch - UL Listed
Part Number: CB2533T120480A95
Quick Summary
The Eaton CB2533T120480A95 bolted pressure switch delivers high‑current protection for three‑pole switchgear in industrial facilities. Users often wrestle with nuisance trips, ground faults, and wiring complexity in top‑feed, fusible assemblies. UL Listed certification plus rugged NEMA 1, 3R, 4, and 12 protection help ensure reliability in harsh environments. For engineers and procurement teams, this unit provides a robust control circuit (120 V) and a 2500 A amperage rating, with top‑feed configuration delivering easier installation and safer maintenance. The combination of these features supports safer commissioning, reduced downtime, and predictable protection for critical motor and process loads.
Product Information
Extended Description
CB2533T120480A95 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),2500A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480A95
UPC
782116952441
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.
Contact configuration
1 NO-1 NC
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
BFD with three normally on 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 - CB2533T120480A95
Feature: 2500 A amperage rating. Business Impact: Enables direct interruption of heavy loads without oversizing equipment, reducing panel space and hardware costs. Application: motor starters, conveyors, and high‑hp pumps in industrial plants. Feature: 480 V system voltage with 120 V control voltage. Business Impact: Seamless integration with standard plant power and control wiring, lowering integration risk. Application: plant-wide motor control centers and switchgear assemblies. Feature: 1 NO‑1 NC contact configuration in a three‑pole, top‑feed design. Business Impact: simplified wiring, clearer status signaling, and safer maintenance procedures. Application: high‑current protection in compact enclosures. Feature: Electrical trip with charge‑before‑close mechanism. Business Impact: safer startup sequences and reduced arcing during switching, improving equipment longevity. Application: critical process lines where controlled shutoffs are required. Feature: BFD with three lights (status indicators). Business Impact: immediate visibility of switch state, lowering operator error and response times. Application: plant floors and control rooms where rapid fault diagnosis matters. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions (Catalog Notes). Business Impact: modular safety options that expand protection and control signalling without replacing the switch. Application: critical power buses, redundant systems, and safety‑critical installations. Feature: UL Listed with rugged NEMA 1, 3R, 4, 12 compatibility. Business Impact: compliant, durable protection in wet, dusty, or corrosive environments. Application: harsh industrial environments.
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FAQs
CB2533T120480A95 is designed for three‑pole top‑feed installations with a fusible configuration. Plan for a 17 in depth, 28 in width, and 28 in height footprint, with an approximate weight of 205 lb. Ensure UL Listed compliance and compatible NEMA enclosure ratings. Verify wiring: 3 wires, 1 NO‑1 NC, and a 120 V control circuit. Optional Ground Fault Relay and auxiliary provisions can be added to match safety requirements.
The unit features BFD with three normally-on lights indicating switch status, paired with an electrical trip that uses a charge‑before‑close sequence. This combination improves reliability by preventing premature or inadvertent closure, reducing arcing and wear on contacts. For maintenance teams, the clear status indicators streamline fault diagnosis and fast, safe re‑energization after a trip.
Yes. The switch is rated for 480 V system voltage and 120 V control voltage, with a 2500 A amperage rating. It supports three-pole operation and is designed for top-feed, fusible configurations. NEMA ratings include 1, 3R, 4, and 12, which aligns with common industrial environments like manufacturing floors, water treatment, and processing plants.
Catalog Notes indicate optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options allow teams to tailor protection coverage and signaling to specific standards and remote monitoring needs, improving overall system reliability and maintainability without replacing the base switch.
The CB2533T120480A95 is UL Listed, providing recognized safety certification for industrial use. Warranty guidance reflects Eaton policy: one year from installation or eighteen months from shipment, whichever occurs first. This combination supports predictable lifecycle costs, rapid replacement, and minimized downtime for critical power protection assets.