Eaton pringle bolted pressure switch CB4033T120480KG14 - UL

Part Number: CB4033T120480KG14
Manufacturer
Eaton
Part number
CB4033T120480KG14

Quick Summary

The Eaton pringle bolted pressure contact switch provides reliable interlock control for heavy-duty power distribution systems. Engineers often wrestle with ensuring safe startup sequencing, safe disconnection, and fault protection in rugged environments. UL Listed certification and broad NEMA ratings help ensure safe, compliant operation across industrial panels. With 4000 A amperage rating and 480 V system voltage, this unit supports high-current applications while remaining controllable at 120 V. The combination of a top-feed fuse configuration and ground fault protection simplifies installation and reduces commissioning time, delivering tangible lifecycle value.

Product Information

Extended Description

CB4033T120480KG14 Eaton: Eaton pringle bolted pressure contact switch,Interlock,4000A,3NO-3NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480KG14
UPC
782116949847
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
3 NO-3 NC
Feed type
Top
Fuse configuration
Top 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
Feature interlock capability ensures that the machine cannot start unless safety conditions are met, translating directly into reduced startup risk and enhanced operator safety. Benefit for the business includes lower incident-driven downtime and improved regulatory compliance in control panels and switchgear. Application: heavy machinery and process lines in manufacturing environments. Feature three-pole, 3NO-3NC contact configuration provides versatile control and monitoring options, enabling precise sequencing and fault sensing. Benefit: flexible wiring schemes and easier integration with PLCs and safety controllers, supporting faster engineering cycles in panel builds. Application: motor control centers and power distribution blocks requiring robust fault protection. Feature high-current capability up to 4000 A with 480 V system voltage and 120 V control voltage, delivering scalable performance for large feeders while maintaining safe control logic. Benefit: reduced need for multiple devices in a single panel and improved protection against overload events in critical processes. Application: high-demand line feeders in bottling, steel, and packaging lines. Feature fusible protection and ground fault with control transformer, aligning safety with code requirements and enabling proactive fault detection. Benefit: minimized arc-flash risk and enhanced system reliability in harsh environments. Application: outdoor and rugged indoor installations where reliability is paramount. Feature top feed and optional accessories (Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions) provide installation flexibility. Benefit: streamlined commissioning and extended device capability by accommodating optional protections. Application: control panels that require tailored safety and diagnostics for commissioning and ongoing maintenance.

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FAQs

Yes. The unit features a top-feed configuration with three poles and a 3NO-3NC contact arrangement, allowing straightforward integration into standard switchgear. It is compatible with 120 V control circuits and 480 V power systems, and supports optional ground fault and auxiliary contact provisions for enhanced diagnostics.
The CB4033T120480KG14 provides a 4000 A amperage rating, a 120 V control voltage, and a 480 V system voltage with fusible protection. It supports 3 normally open and 3 normally closed contacts (3NO-3NC), suitable for high-current, safety-critical applications in demanding environments.
This switch is well-suited for heavy-duty panels, motor control centers, and power distribution enclosures in manufacturing, processing, and packaging lines. Its interlock capability, high current rating, and NEMA compatibility make it ideal for ensuring safe startup/shutdown sequences and reliable fault protection in critical processes.
The switch is UL Listed, supporting compliance with common safety standards. It also provides broad NEMA ratings (NEMA 1, 3R, 4, 12), enabling safe operation across a wide range of enclosure types and environmental conditions.
Designed for rugged use, the unit minimizes downtime due to its robust mechanical interlock and fault-detection features. With a one-year Eaton warranty and optional protective accessories, ongoing maintenance is simplified, leading to lower lifecycle costs and faster return on investment in high-demand facilities.