Eaton CB4033T120480GAX7 Pringle bolted pressure contact switch - UL Listed
Part Number: CB4033T120480GAX7
Quick Summary
Eaton CB4033T120480GAX7 is a bolted pressure contact switch used for high-current protection in three-phase switchgear. This rugged device helps equipment run reliably by delivering fast, controlled trips in demanding industrial environments. It is UL Listed and designed for multiple NEMA environments including 1, 3R, 4, and 12, ensuring enclosure compatibility and dependable operation. For engineers and procurement teams, the combination of top-feed installation, fusible protection, and a 2NO-2NC contact configuration supports easier integration, safer maintenance, and a clear path to regulatory compliance while safeguarding critical motors and processes.
Product Information
Extended Description
CB4033T120480GAX7 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips wtich),4000A,2NO-2NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480GAX7
UPC
782116950072
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
2 NO-2 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
BFD with no lights (trips wtich)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB4033T120480GAX7
Feature → Business Impact → Application: Ample amperage rating of 4000 A translates to robust protection for large motor drives and high-current feeders, reducing the risk of cascading failures and unplanned downtime in heavy industry. Application: switchgear assemblies and process lines requiring reliable fault interruption. Feature → Business Impact → Application: 480 V system voltage and 120 V control voltage enable seamless integration with common industrial controls, lowering wiring complexity and improving control-response times. Application: centralized control panels and switchgear rooms with standardized voltages. Feature → Business Impact → Application: Top feed and fusible configuration streamline installation and maintenance in compact or constrained enclosures, delivering faster serviceability and safer fault handling. Application: new installations and retrofit projects in packaging, metals, or chemical processing. Feature → Business Impact → Application: 2 NO-2 NC contact configuration provides flexible signaling for alarms and interlocks, enabling precise control of interlocked loads. Application: motor starters and protective interlocks in large-scale automation lines. Feature → Business Impact → Application: Optional Ground Fault Relay, auxiliary contact provisions, and Kirk provisions (Catalog Notes) offer expanded protection and easy future upgrades, reducing long-term retrofit costs. Application: plant-wide fault detection and monitoring in hazardous environments. This combination of ratings, rugged construction, and available options supports measurable improvements in uptime, safety, and regulatory readiness across industrial facilities.
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FAQs
CB4033T120480GAX7 is a three-pole bolted pressure contact switch with 2 NO-2 NC contacts, designed for top-feed installation and 480 V systems. It integrates with common switchgear footprints and supports UL-listed safety standards, making it a straightforward retrofit for high-current feeders and motor control centers.
This unit weighs 390 lb and measures 17 in (depth) x 28 in (height) x 40 in (width), requiring appropriate lifting equipment and mounting clearance. Top-feed configuration and fusible protection simplify wiring and improve fault isolation. Ensure enclosure rating matches installed environment and verify support for optional ground fault relay and auxiliary provisions.
The CB4033T120480GAX7 is UL Listed, providing proven compliance for industrial safety requirements. It supports multiple NEMA configurations (1, 3R, 4, 12), offering flexibility for a range of indoor enclosure applications and helping meet plant electrical protection standards.
Key ratings include 4000 A amperage, 480 V system voltage, and 120 V control voltage, with fusible protection and a three-pole, 2 NO-2 NC contact arrangement. This setup ensures robust fault interruption for large loads and supports reliable motor protection strategies in demanding environments.
The Eaton CB4033T120480GAX7 delivers improved uptime through reliable tripping, reduced maintenance due to top-feed ergonomics, and UL/NEMA-compliant protection that lowers compliance risk. Optional features such as ground fault relay and auxiliary contacts simplify future upgrades, helping to reduce long-term retrofit costs and downtime.