Eaton CB2533T120480AR7 Bolted pressure switch - UL Listed
Part Number: CB2533T120480AR7
Quick Summary
The Eaton CB2533T120480AR7 bolted pressure switch delivers high-current protection for industrial switchgear and motor control centers. Engineers often struggle with reliable isolation in harsh environments where fault currents spike and wiring becomes congested. UL Listed certification, combined with NEMA ratings (NEMA 1, 3R, 4, 12), provides regulatory confidence and safer operation in the field. In practical terms, this device supports top-feed installation, a three-pole, three-wire configuration, and optional protection features that reduce downtime and maintenance costs. For teams pursuing safer, compliant, and scalable protection, this model delivers a robust, future-proof solution for power distribution and plant automation needs.
Product Information
Extended Description
CB2533T120480AR7 Eaton: Eaton pringle bolted pressure contact switch,BFD with three off lights (trips switch),2500A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480AR7
UPC
782116952410
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
2 NO-2 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 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 - CB2533T120480AR7
Feature: 2500A amperage rating with 2NO-2NC contact configuration. Business impact: Enables reliable isolation of large feeders and heavy motors, reducing the risk of fault propagation and unplanned downtime. Application: Heavy-duty switchgear and motor control centers in manufacturing facilities. Feature: Electrical trip with charge-before-close mechanism. Business impact: Improves reliability of startup sequencing and minimizes contact wear during fault recovery, lowering maintenance intervals. Application: Critical process lines and pumping stations. Feature: Top feed and top fuse configuration. Business impact: Simplifies wiring, reduces cabinet depth, and speeds installation while improving heat management in tight panels. Application: Control panels in chemical plants and oil & gas facilities. Feature: System voltage 480 V and control voltage 120 V. Business impact: Supports standard industry voltages, enabling compatibility across 480-V distribution and 120-V control circuits for easier integration. Application: Large-scale power distribution and machine control. Feature: NEMA ratings (1, 3R, 4, 12) and fusible protection. Business impact: Delivers environmental resistance and coordinated protection against faults, essential for compliance and plant uptime. Application: Harsh industrial environments, outdoor enclosures, and wash-down areas. Feature: Optional Ground Fault Relay and Blown Fuse Detection. Business impact: Adds layered protection, meeting stricter safety standards and reducing fault-induced outages. Application: Data centers, processing plants, and critical infrastructure. Feature: 3-pole, 3-wire configuration with top feed. Business impact: Reduces wiring complexity and enables compact, scalable protection in modular plant designs. Application: Modular switchgear deployments and retrofit projects.
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FAQs
CB2533T120480AR7 uses a top-feed, three-pole, three-wire arrangement and is designed for heavy-duty cabinet installations. Ensure adequate clearance for 28 in width and 28 in height, accommodate the 205 lb weight, and plan for proper wiring routes to support 2NO-2NC contacts and fusible protection. Optional grounding and accessory provisions should be reviewed prior to mounting.
The device is rated for 2500A with 120 V control voltage and 480 V system voltage. It supports fusible protection, is UL Listed, and offers NEMA ratings of 1, 3R, 4, and 12. The contact configuration is 2 NO - 2 NC, with a charge-before-close electrical trip mechanism suitable for high-current applications.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary/ Kirk provisions are available. These additions enhance safety and fault isolation, helping to meet stricter plant safety standards and improve uptime in environments with fault-prone equipment.
Industries such as manufacturing, processing, petrochem, and large facilities rely on CB2533T120480AR7 for switchgear protection, motor control centers, and large feeder panels. Its high current rating, robust NEMA protection, and top-feed design make it suitable for harsh environments and demanding power-distribution tasks.
The product carries Eaton’s standard warranty (25-000) with one year from date of installation or eighteen months from shipment, whichever occurs first. Access to Eaton’s documentation, including specification sheets and catalog notes, is available for installation guidance and long-term maintenance planning.