Eaton CB4033T120480CT Pringle Bolted Switch - UL Listed
Part Number: CB4033T120480CT
Quick Summary
CB4033T120480CT is a high-current bolted pressure contact switch for industrial switchgear protection. Engineers often struggle with reliable ground fault prevention, fuse coordination, and complex wiring in large panels, causing downtime and maintenance costs. UL Listed certification with NEMA 1, 3R, 4, and 12 ratings ensures enclosure versatility and dependable performance in varied environments. This solution also features a control power transformer and supports a 480 V system, enabling faster, compliant installations and streamlined control circuits for high-current applications.
Product Information
Extended Description
CB4033T120480CT Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,4000A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480CT
UPC
782116950232
Product Length/Depth
17 in
Product Height
28 in
Product Width
40 in
Product Weight
390 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
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
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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480CT
Feature: 4000A amperage rating; Business impact: enables handling heavy motor feeder loads with robust protection, reducing fuse replacements and downtime; Application: large industrial feeders and high-capacity switchgear. Feature: 120 V control voltage; Business impact: simplifies control wiring and compatibility with standard plant controls, lowering installation costs; Application: control circuits and auxiliary protection for 3-pole configurations. Feature: 480 V system voltage; Business impact: aligns with common plant power distributions, improving compatibility and reducing interconnect complexity; Application: main distribution panels and process equipment. Feature: Top feed fuse configuration; Business impact: straightforward top-entry wiring reduces field labor and improves maintainability; Application: compact panel layouts in harsh environments. Feature: With control power transformer; Business impact: eliminates separate transformer sourcing, shortening project timelines and improving reliability; Application: integrated control logic for trip schemes. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contacts; Business impact: enhances fault detection and switchgear protection, lowering risk of failure; Application: protective schemes for critical loads. Feature: NEMA 1, 3R, 4, 12 enclosures; Business impact: broad environmental protection and indoor/outdoor deployment; Application: manufacturing floors, outdoor substations, and rugged plants.
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FAQs
CB4033T120480CT uses a top-feed fuse configuration and three-pole, three-wire wiring. For installation, ensure correct alignment with the control power transformer, confirm 480 V system compatibility, and follow enclosure guidelines suitable for NEMA 1, 3R, 4, or 12 environments. Verify ground fault or auxiliary provisions are added as needed for your protection scheme.
The device is rated for 4000 A with a 120 V control voltage and a 480 V system voltage, offering fusible protection. It is a three-pole, three-wire switch with a charge-before-close mechanism, designed for reliable protection of large feeders and motors in demanding industrial settings.
This switch is well-suited for heavy-duty switchgear, motor control centers, and high-current distribution panels in manufacturing, processing, and energy sectors. With its UL Listed status and broad NEMA enclosure compatibility, it supports rugged indoor and outdoor installations where high-current protection and reliable isolation are required.
CB4033T120480CT carries UL Listed certification and is compatible with NEMA 1, NEMA 3R, NEMA 4, and NEMA 12 enclosures, enabling versatile deployment across indoor facilities and outdoor installations in challenging environments.
The product is covered under Eaton’s warranty policy, with terms available in policy 25-000. Proactive maintenance includes monitoring fusible protection status, routine inspection of the top-feed connections, and leveraging optional features like ground fault relay and auxiliary contacts to reduce downtime and extend equipment life.