Eaton CB4033T120480K5 Pringle bolted pressure switch - UL
Part Number: CB4033T120480K5
Quick Summary
Eaton CB4033T120480K5 bolted pressure switch protects large electrical assemblies in heavy-duty industrial power distributions. Designers struggle to source switches that handle 4000 A and 480 V without compromising safety or reliability. UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures provide robust protection across factory floors. Its top-feed, three-pole configuration with interlock supports quick installation and scalable protection in control panels. For procurement and maintenance teams, the device offers predictable reliability and lower life-cycle costs in industrial automation and switching devices ecosystems. This combination of rugged performance and clear documentation helps engineers meet project timelines and regulatory demands. From OEM line integration to spare-part planning, CB4033T120480K5 aligns with standard Eaton parts and industry practices.
Product Information
Extended Description
CB4033T120480K5 Eaton: Eaton pringle bolted pressure contact switch,Interlock,4000A,1NO-1NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480K5
UPC
782116949946
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.
Contact configuration
1 NO-1 NC
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
Interlock
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB4033T120480K5
Feature: 4000 A amperage rating with 480 V system and fusible protection. Business Impact: Enables safe interruption of large fault currents and reduces the need for external protection devices, helping you meet short-circuit withstand requirements. Application: Ideal for main feeders, switchgear assemblies, and motor-control centers in heavy industrial settings. Feature: 1 NO-1 NC contact configuration across three poles. Business Impact: Provides reliable opening and closing signals in a single assembly, simplifying wiring and reducing component count. Application: Control circuits in MCCs and distribution panels. Feature: Top-feed wiring and fuse configuration. Business Impact: Streamlines installation in crowded enclosures, improving wiring organization and reducing installation labor. Application: New panel builds and retrofits in packaged equipment lines. Feature: Interlock and charge-before-close mechanism. Business Impact: Enhances operator safety by ensuring proper sequence before closing, reducing arcing risk and maintenance events. Application: Protective interlock schemes in main switchgear and safety-rated panels. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contact Provisions. Business Impact: Adds sensing and signaling capabilities to meet advanced protection standards while preserving module compatibility. Application: Industrial automation panels requiring enhanced fault detection and signaling options. Feature: UL Listed with NEMA 1, 3R, 4, 12 compatibility. Business Impact: Supports regulatory compliance and versatile installation in both indoor and weather-protected environments. Application: Plant floors, service entrances, and control rooms where rugged enclosure protection is required.
Get a Quick Quote for a Eaton CB4033T120480K5
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton CB4033T120480K5?
Enquire Now
FAQs
CB4033T120480K5 features a three-pole design with 1 NO-1 NC contacts and a top-feed configuration, making it compatible with common top-fed switchgear layouts. It supports 480 V systems and 4000 A interrupt capability, aligning with typical MCC and main feeder applications in industrial environments.
Key ratings include 4000 A amperage, 480 V system voltage, 120 V control voltage, and fusible protection. The device is UL Listed and designed for NEMA 1, 3R, 4, and 12 enclosures, supporting reliable protection across a range of industrial installations.
The product is compatible with NEMA ratings 1, 3R, 4, and 12, which covers indoor, weather-protected, and some outdoor environments depending on enclosure. For outdoor exposure, pair with appropriate weatherproof enclosures to maintain protection levels and safety.
Options include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contact Provisions, Kirk Provisions, and Auxiliary Contacts. These options enable enhanced fault detection, signaling, and integration with control panels and safety interlocks.
Warranty terms follow Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Technical support and product documentation are available through Eaton's specifications and product pages for CB4033T120480K5.