Eaton CB2033B120480KGAO Bolted Pressure Contact Switch - UL
Part Number: CB2033B120480KGAO
Quick Summary
The Eaton CB2033B120480KGAO bolted pressure contact switch delivers high-current protection for industrial switchgear. Users frequently struggle with nuisance trips and unclear status indicators; this unit provides clear fault signaling and controlled startup. UL Listed certification underpins safety compliance in harsh industrial environments, while its three-pole design and NEMA compatibility enhance enclosure options. In practice, this means reliable protection for high-load feeders with straightforward installation and scalable fault-management, aligning with lean maintenance goals. Built for bottom-feed configurations, it supports easy retrofits in existing panels and reduces wiring complexity. Optional Ground Fault Relay and auxiliary contacts are available to tailor protection and monitoring.
Product Information
Extended Description
CB2033B120480KGAO Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three off lights (does not trip),2000A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480KGAO
UPC
782116957644
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.
Feed type
Bottom
Fuse configuration
Bottom 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
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
Interlock, BFD with three normally off lights (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033B120480KGAO
Feature: Amperage rating of 2000A and a 480V system voltage with 120V control enable direct protection of high-load feeders and large motors. Business Impact: This rating minimizes the need for downstream redundancy, reduces conductor counts, and supports faster panel-space utilization in footprint-constrained installations. Application: Suitable for MCCs, switchgear enclosures, and feeder breakers in industrial plants. Feature: Three-pole, three-wire design with bottom feed and fusible protection. Business Impact: Delivers robust, controlled switching with predictable fault-clearing paths, supporting safer startup sequences and easier maintenance. Application: Large-disconnect assemblies in process lines and power distribution panels. Feature: Interlock plus BFD with three normally-off lights (does not trip) and optional ground fault relay. Business Impact: Provides clear status indication and non-trip fault sensing, reducing nuisance trips while preserving protection; optional grounding and auxiliary options streamline integration with transformers. Application: Critical power distribution and automated lines where downtime must be minimized. Feature: UL Listed certification and NEMA compatibility (1, 3R, 4, 12). Business Impact: Aligns with electrical codes for plant safety and offers versatile mounting in multiple environments; ensures compatibility with standard enclosures and panels. Application: Industrial facilities requiring flexible enclosure options and code-compliant protection. Feature: Ground fault with control power transformer, bottom-feed configuration, and available auxiliary contact provisions. Business Impact: Enhances protection coordination and expandability; simplifies wiring and retrofit projects; warranty support reinforces asset lifecycle management. Application: New builds and retrofits in heavy industry where complex protection schemes are needed.
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FAQs
Installation requires mounting in a compatible enclosure with a bottom-feed configuration. Connect three phase wires to the bottom feed terminals, align the three-pole arrangement with the existing circuit, and integrate the control circuit at 120 V. Verify fuse protection is configured per the datasheet and ensure proper grounding and interlock wiring for reliable operation.
Yes. The switch supports a 480V system voltage with a 120V control voltage. It is designed as a three-pole, three-wire device suitable for high-current feeders in industrial switchgear and panels, with UL Listed certification to back safety and reliability in 480V applications.
Core protection includes fusible protection with interlock and status lights (BFD). Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk provisions, and Auxiliary Contact Provisions, enabling tailored protection schemes and enhanced monitoring for complex electrical distributions.
The unit is UL Listed, meeting strict safety requirements for industrial use. It supports NEMA ratings: 1, 3R, 4, and 12, providing flexibility for installation in a variety of enclosures and environmental conditions typical in manufacturing and processing facilities.
With a 2000A rating and robust 480V/120V specification, the switch reduces the need for multiple protective devices and simplifies wiring. Its optional fault-detection features help minimize downtime, while Eaton’s warranty (one year from installation or eighteen months from shipment) supports asset lifecycle planning and total cost of ownership.