Eaton CB4033B120480 Pringle bolted pressure contact switch - UL Listed

Part Number: CB4033B120480
Manufacturer
Eaton
Part number
CB4033B120480

Quick Summary

Eaton CB4033B120480 pringle bolted pressure contact switch provides high-current protection for industrial switchgear. Operators face downtime when protection devices trip or fail in harsh environments; this unit is designed to deliver reliable operation under demanding loads. UL Listed certification supports safety compliance, and it is compatible with NEMA 1, 3R, 4, and 12 enclosures for versatile installation. With a 4000A rating and 480V system capability and a 120V control circuit, it fits modern power-distribution schemes while integrating easily with existing controls. Its robust construction and optional features help reduce maintenance costs and extend asset life. Designed for engineers and procurement teams seeking dependable, scalable protection solutions.

Product Information

Extended Description

CB4033B120480 Eaton: Eaton pringle bolted pressure contact switch,4000A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033B120480
UPC
782116899456
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
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
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
Feature: High current capability. The CB4033B120480 is rated for 4000A at 480V, with 120V control, enabling it to interrupt large motor loads without paralleling devices. Business impact: reduces panel complexity and improves reliability in major distribution feeders. Application: ideal for main disconnects in manufacturing facilities and power rooms. Feature: Three-pole bottom feed with fusible configuration. This arrangement simplifies wiring in tight spaces and ensures consistent busbar alignment. Business impact: streamlines installation and reduces field wiring errors. Application: suitable for integrated switchgear and feeder protection in industrial plants. Feature: Safety and control mechanics. The switch employs an electrical trip with charge-before-close and supports optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, and Auxiliary Provisions. Business impact: enhances personnel safety and system protection without sacrificing installation flexibility. Application: critical in automated lines and process cells requiring precise interlocks. Feature: Rugged enclosure compatibility and certification. UL Listed certification and NEMA 1, 3R, 4, 12 compatibility enable use across varied environments and enclosures. Business impact: reduces regulatory risk and broadens application scope. Application: suitable for cabinet, wall, or free-standing installations in harsh facilities. Feature: Installation footprint and warranty. The unit’s substantial dimensions (22.5 in length, 32 in height, 40 in width) and 430 lb weight reflect a robust, maintenance-friendly solution with a one-year warranty (or eighteen months from shipment, per policy). Business impact: predictable lifecycle costs and long asset life. Application: ideal for durable, mission-critical protection in heavy-duty environments.

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FAQs

CB4033B120480 is a 3-pole, bottom-feed, fusible switch rated at 4000A with 120V control and 480V system voltage, designed for standard industrial panels. It aligns with common switchgear footprints and enclosure styles, and its UL Listed status helps ensure compliant integration. For retrofit projects, verify busbar spacing, mounting clearance, and clearance for the 430 lb unit to ensure safe handling and serviceability.
Key specs include 4000A amperage rating, 120V control voltage, and 480V system voltage, with three poles and a fusible protection scheme. The unit is bottom-feed with no ground fault by default and supports optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact provisions. It is UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures for diverse installations.
Yes, the device is designed for varied industrial environments, with UL Listed certification and compatibility with multiple NEMA enclosure ratings (1, 3R, 4, 12). These ratings indicate suitability for indoor cabinet installations and partially protected outdoor or harsh conditions when mounted in appropriate enclosures, helping maintain reliability in demanding manufacturing and processing facilities.
The CB4033B120480 carries Eaton’s standard warranty: one year from the date of installation or eighteen months from shipment, whichever occurs first. Given its heavy-duty construction, maintenance typically focuses on periodic inspection of wiring, contact status, and enclosure integrity. Availability of optional accessories (like ground fault protection) can also influence maintenance intervals and long-term total cost of ownership.
Technical resources include Eaton’s Specification Sheet CB4033B120480 and product catalogs, along with downloadable data such as installation guidelines and performance notes. Digital content also features multimedia resources for switching devices and a detailed catalog entry with installation notes, which helps engineers plan integration and ensure compliance during procurement and commissioning.