Eaton CB4033B120480KGA Bolted Pressure Switch - UL Listed
Part Number: CB4033B120480KGA
Quick Summary
Eaton CB4033B120480KGA bolted pressure switch is a high-current protection device designed for heavy-duty control panels. Engineers often confront nuisance trips and inconsistent fault detection in demanding environments, making reliable interlock and protection a must. UL Listed certification supports safety compliance, while compatibility with NEMA 1, 3R, 4, 12 enclosures helps simplify installation across diverse industrial settings. This solution also aligns with maintenance efficiency and procurement workflows by delivering a robust, long-life switch with straightforward replacement parts. The unit offers bottom-feed design, fusible protection, and a 4000A rating at 480V system voltage, making it well-suited for switchgear, motor control centers, and high-current distributions.
Product Information
Extended Description
CB4033B120480KGA Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (does not trip),4000A,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033B120480KGA
UPC
782116950430
Product Length/Depth
22.5 in
Product Height
32 in
Product Width
40 in
Product Weight
430 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
4000A
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 on 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 - CB4033B120480KGA
Feature: 4000A amperage rating and 480V system voltage. Business impact: Enables safe, reliable handling of high-current motor loads with reduced risk of nuisance tripping and arc energy; Application: switchgear and MCCs in steel, mining, and process industries. Feature: Three-pole, bottom feed with fusible protection. Business impact: Streamlines wiring and protection coordination, improves fault sequencing, and supports faster, safer maintenance; Application: three-phase power distribution in harsh factory environments. Feature: Interlock with BFD indicators (three normally-on lights) that do not trip. Business impact: Clear status indication without disruptive trips, boosting changeover speed and operator confidence; Application: safety interlocks in automated lines. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirks, and Auxiliary Contacts. Business impact: Extends protection coverage, simplifies audits, and reduces unplanned downtime; Application: critical process lines where reliability and fault isolation matter most. Feature: Certifications, warranty, and rugged construction. Business impact: UL Listed assurance plus a one-year warranty (or 18 months from shipment) lowers lifecycle risk and supports long-term budgeting; Application: panel builds requiring compliant, durable protection packages.
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FAQs
The unit is designed for bottom feed with fusible protection and a three-pole footprint. It weighs about 430 lb and fits enclosures rated for NEMA 1, 3R, 4, and 12. Plan for 22.5 in depth, 32 in height, and 40 in width, with a secure mounting layout to accommodate the 4000A current path.
Electrical ratings include 4000A amperage, 480V system voltage, 480V maximum voltage, and 120V control voltage. It is a three-pole, three-wire configuration with fusible protection, suitable for large three-phase loads.
Yes. Optional Ground Fault Relay, Blown Fuse Detection, Single-Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions are available to tailor protection for your specific application and to support regulatory compliance.
The switch is UL Listed, ensuring safety compliance. It supports NEMA 1, 3R, 4, and 12 enclosure types, enabling robust protection in a range of industrial environments without compromising safety or performance.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. The design emphasizes reliability with straightforward maintenance and potential for long-term ROI in high-demand installations.