Eaton CB2033T120480GRAX – Pringle bolted switch UL Listed
Part Number: CB2033T120480GRAX
Quick Summary
Eaton pringle bolted pressure contact switch provides reliable phase protection for large industrial motor circuits. Engineers often contend with nuisance trips and downtime caused by improper fault sensing and slow response. UL Listed certification is supported by NEMA compatibility across enclosures such as 1, 3R, 4, and 12, ensuring safe operation in varied environments. Top-feed design with three poles and fusible protection, plus optional ground fault relay, delivers robust protection while simplifying maintenance. With a 2000A current rating and 480V system capability, this switch is ideal for heavy feeders and seamless integration with Eaton switchgear and control panels.
Product Information
Extended Description
CB2033T120480GRAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),2000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033T120480GRAX
UPC
782116953356
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
180 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
2000A
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with no lights (trips switch)
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 - CB2033T120480GRAX
The CB2033T120480GRAX delivers high current protection with a 2000 A amperage rating at 480 V system voltage, while the 120 V control voltage enables straightforward integration with existing control circuits. SPVR capacitor trip device provides fast, reliable tripping on phase faults, reducing fault duration and equipment stress; this translates to lower downtime and extended motor life in demanding plants. The top-feed fusible configuration simplifies wiring, reduces panel depth, and enhances safety by keeping live components contained. The ground fault option and transformer-based sensing improve protection for critical circuits and personnel safety, especially in facilities with mixed loads or sensitive equipment. The three-pole, three-wire construction ensures consistent phase protection across all lines, with compatibility to NEMA-rated enclosures and optional auxiliary contacts for signaling to control systems. Overall, the design aligns with industry standards and Eaton's switching devices portfolio for reliable, maintainable protection.
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FAQs
Plan for a top-feed, three-pole installation with a sturdy enclosure capable of NEMA ratings 1, 3R, 4, 12. Ensure clearances for the 180 lb unit and wiring access to the 120 V control circuit. The UL Listed device should be wired per Eaton guidelines and local codes to minimize nuisance trips.
Rated for 2000 A with system voltage up to 480 V and control voltage of 120 V, the CB2033T120480GRAX offers fusible protection and a SPVR capacitor trip device for rapid fault clearance. It supports three-pole operation with three wires and optional ground fault capability for enhanced safety.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contact Provisions are available, allowing enhanced fault detection and system signaling. These options enable integration with plant safety interlocks and remote monitoring without altering the base protection scheme.
UL Listed certification confirms compliance with safety standards for switchgear protection. The device is designed for NEMA-rated enclosures and is compatible with common Eaton switchgear ecosystems, supporting reliable operation in industrial environments while meeting regulatory requirements.
The unit offers high-current protection with a robust mechanical design, reducing nuisance trips and downtime. Its modular options and service documentation, including Eaton's specification sheets, support easier maintenance and faster parts replacement, delivering longer equipment life and lower total cost of ownership.