Eaton CB4033T120480GAX Bolted pressure switch - UL Listed
Part Number: CB4033T120480GAX
Quick Summary
CB4033T120480GAX is a bolted pressure contact switch that protects high-current circuits in industrial switchgear. Engineers often face unreliable protection timing and difficult integration across three-pole 480 V systems. UL Listed certification underscores safety compliance, while the unit supports standard NEMA enclosures including 1, 3R, 4, and 12. This combination enhances reliability and safety for critical power paths, while top-feed configuration and compatibility with optional Ground Fault Relay and auxiliary contacts simplify installation and ongoing maintenance. The device's three-pole, three-wire arrangement supports balanced distribution and simplifies wiring diagrams. With optional ground fault relays and auxiliary contacts, it scales from basic protection to full safety circuits. For procurement and maintenance teams, it delivers clear value in safety, compatibility, and lifecycle cost.
Product Information
Extended Description
CB4033T120480GAX Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips wtich),4000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB4033T120480GAX
UPC
782116950102
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
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 - CB4033T120480GAX
Feature: 4000A amperage rating with 480 V system voltage and three-pole three-wire configuration ensures you can safely interrupt large three-phase loads. Business impact: enables reliable fault clearance and reduces the risk of extended outages in critical switching applications. Application: ideal for main switchgear and distribution panels where high current and robust protection are required. Feature: Fusible protection provides a clear path for selective protection strategies, helping minimize spread of faults and enabling faster, safer maintenance cycles. Business impact: lowers total cost of ownership through reduced arc flash exposure and simplified downstream coordination. Application: suitable for fusible feeder sections in industrial control rooms and outdoor installations. Feature: Top feed configuration and pringle bolted pressure contact design simplify wiring, improve enclosure fill and reduce field adjustments. Business impact: accelerates installation, improves wiring consistency, and supports scalable bring-up in new builds. Application: convenient in high-density switchgear where space and serviceability matter. Feature: Ground fault with control power transformer and optional Ground Fault Relay or auxiliary provisions provide enhanced protection and visibility. Business impact: helps meet safety standards and reduces nuisance trips, boosting reliability. Application: effective in systems requiring ground fault detection and rapid fault indication. Feature: NEMA ratings (1, 3R, 4, 12) and UL Listed certification communicate compatibility with standard enclosures and safety expectations. Business impact: simplifies compliance checks and procurement decisions. Application: widely used in diverse environments from indoor distribution to outdoor enclosures. Feature: Optional accessories, including auxiliary contacts and Kirk provisions, offer scalable protection and monitoring. Business impact: enables customized safety circuits and easier integration with plant PLCs. Application: suitable for evolving protection schemes in large facilities.
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FAQs
CB4033T120480GAX uses a top feed configuration and three-pole, three-wire wiring, which simplifies installation in compact switchgear and reduces field wiring errors. The fusible protection option and availability of auxiliary contacts support scalable protection schemes, while the UL Listed certification ensures compliant integration with standard enclosures (NEMA 1, 3R, 4, 12).
The device is rated for 4000A at a system voltage of 480V and uses a three-pole, three-wire configuration with fusible protection. It is designed for top-feed operation and includes a ground fault capability with transformer provisions, with UL Listed certification to support safety compliance in industrial environments.
Yes. With a 4000A amperage rating and 480V system voltage, CB4033T120480GAX is well-suited for three-phase protection in motor control centers and distribution panels. Its top-feed, fusible design, three-pole construction, and optional ground fault features help ensure fast fault clearing and reliable motor protection.
CB4033T120480GAX is UL Listed, providing recognized safety certification for electrical equipment. It supports standard enclosure ratings under NEMA 1, 3R, 4, and 12, enabling use in diverse indoor and outdoor environments while maintaining safety and performance integrity.
The unit’s robust three-pole, heavy-duty design and top-feed configuration enable durable field service and straightforward wiring. Optional features such as Ground Fault Relay and auxiliary contacts help reduce downtime by improving fault detection and monitoring. While the assembly is weighty (approximately 390 lb in related configurations), it contributes to long-term reliability and a lower lifecycle cost due to fewer trips and simpler upgrade paths.