Eaton CB2033B120480AX7 Pringle bolted switch - UL Listed

Part Number: CB2033B120480AX7
Manufacturer
Eaton
Part number
CB2033B120480AX7

Quick Summary

The Eaton CB2033B120480AX7 pringle bolted pressure contact switch protects large power distribution panels with reliable electrical interlock. It minimizes unexpected downtime caused by improper switching or nuisance trips in demanding industrial environments. It carries UL Listed certification and is compatible with NEMA-rated enclosures (NEMA 1, 3R, 4, 12), ensuring safe operation in diverse installations. For procurement teams, this switch offers robust performance, streamlined installation, and long-term reliability in power distribution and control panels. Leveraging Eaton’s auxiliary options and modular design, it supports maintenance-friendly, compliant control solutions. Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions enhance safety and traceability in critical systems. With Eaton support and a rugged three-pole design, maintenance cycles are simplified and lifecycle costs reduced.

Product Information

Extended Description

CB2033B120480AX7 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),2000A,2NO-2NC,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480AX7
UPC
782116958078
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
190 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
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
2000A
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 no lights (trips switch)
Feature: High-current, three-pole switching with 2 NO-2 NC contacts, fusible protection, bottom feed, 120 V control voltage, and 480 V system voltage. Business Impact: Enables direct control of large feeders with a compact interlock, reducing wiring complexity while delivering predictable, fast-tripping performance. Application: Main feeders in heavy-industry panels, process control cabinets, and distributed Power Distribution Units (PDUs) where reliability is non-negotiable. Feature: UL Listed certification with broad NEMA enclosure compatibility (NEMA 1, 3R, 4, 12). Business Impact: Simplifies safety compliance and installation in varied environments, from dusty plants to washdown areas. Application: Control rooms and field-installed panels requiring certified protection and enclosure compatibility. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. Business Impact: Enhances diagnostic capability and protection schemes, reducing unplanned downtime and enabling rapid fault isolation. Application: Retrofit projects and new builds needing enhanced protection and traceability. Feature: Bottom feed fuse configuration and charge-before-close (CBC) style electrical trip. Business Impact: Improves startup sequencing safety and simplifies wiring topology in bottom-fed switchgear. Application: Panels with bottom-fed feeders in manufacturing lines and process automation. Feature: 190 lb to 2000 A class protection with 16–32 in form-factor considerations and Eaton support. Business Impact: Balances robust mechanical design with serviceability, lowering lifecycle costs and improving long-term availability. Application: High-load industrial architectures requiring durable, serviceable interlocks and clear vendor support.

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FAQs

Installation requires a bottom-fed, three-pole configuration with 2 NO-2 NC contacts. Connect 120 V control voltage and 480 V system voltage per the catalog wiring diagrams, ensuring proper fuse configuration and CBC trip operation. Verify UL Listed compliance and ensure enclosure rating matches NEMA 1, 3R, 4, or 12 for the intended environment.
Key ratings include 2000 A amperage, 120 V control voltage, 480 V system voltage, fusible protection, and a 3-pole, 2NO-2NC contact configuration. Enclosures should be NEMA 1, 3R, 4, or 12 compatible. The unit is UL Listed and designed for bottom-feed, three-wire installations.
Yes, its UL Listed certification and NEMA 1, 3R, 4, 12 compatibility make it suitable for varied environments, including dusty or washdown areas when installed in approved enclosures. Optional features like Ground Fault Relay and Blown Fuse Detection further enhance protection in challenging industrial settings.
Options include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These features support enhanced protection, diagnostics, and control flexibility, enabling safer startups and easier integration into existing or new switchgear installations.
The switch carries Eaton’s standard warranty: one year from installation or eighteen months from shipment, whichever occurs first. Eaton provides technical support, access to product specifications, and availability of optional accessories to maintain performance and uptime in critical power distribution applications.