Eaton CB2033B120208GRAX Bolted Pressure Switch - UL Listed
Part Number: CB2033B120208GRAX
Quick Summary
Eaton pringle bolted pressure contact switch protects medium-to-large switchgear by delivering capacitor-trip protection in a robust, three-pole package. This design helps reduce nuisance trips and unscheduled downtime, while ensuring reliable fault clearing in demanding environments. UL Listed certification and compatible NEMA-rated enclosures provide confidence for industrial installations, with optional configurations for ground fault protection and auxiliary contacts to match your protection scheme. By consolidating protective functions in a single, bolt-together unit, you gain installation simplicity, scalable protection, and predictable maintenance—key for uptime and safety in motor control centers and switchgear assemblies.
Product Information
Extended Description
CB2033B120208GRAX Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),2000A,120V,Bottom feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120208GRAX
UPC
782116957958
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
190 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
Bottom
Fuse configuration
Bottom 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
208 V
Voltage - max
208 V
Voltage rating
208 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
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033B120208GRAX
Selling Policy 25-000 - Distribution and Control Products and Services
The CB2033B120208GRAX features a 2000A amperage rating, delivering high-current protection for large motors and feeders; business impact is reduced thermal stress and minimized fuse-saving trips across critical loads. Its SPVR capacitor trip device enables rapid, reliable tripping for sensitive capacitor banks, improving protection coordination and lowering the risk of transformer or motor damage in startup sequences. Bottom feed configuration and three-pole, three-wire arrangement simplify integration into existing switchgear footprints while ensuring consistent, low-resistance current paths and easier wiring management, which translates to faster installation and reduced field wiring errors. Ground fault with control power transformer enhances safety by enabling ground fault detection with proper control power, and optional Ground Fault Relay and Blown Fuse Detection strengthen protection against insulation failures and arc faults without complicating the control scheme. UL Listed and compatible with NEMA 1, 3R, 4, 12 enclosures, the unit supports rugged, compliant operation in industrial environments, while optional Kirk Provisions and Auxiliary Contacts expand interlocking and signaling capabilities for complex protection logic. This combination of protections supports improved reliability, easier commissioning, and lower total cost of ownership in control rooms and outdoor switchgear installations.
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FAQs
When installing CB2033B120208GRAX, ensure correct bottom-feed wiring and three-pole, three-wire configuration. Verify system voltage is 208 V and control voltage is 120 V. Maintain clearance for maintenance, secure mounting on a robust frame, and follow UL-listed installation practices. Use optional auxiliary contacts or ground fault provisions only after confirming compatibility with the existing protection scheme.
Key specs include a 2000A amperage rating, 208 V system voltage, 120 V control voltage, and a voltage rating of 208 V. The unit is fusible and designed for three-pole, three-wire operation with bottom feed. It supports NEMA 1, 3R, 4, 12 enclosures and features a capacitor trip device (SPVR) for reliable protection in industrial switchgear.
Yes, the CB2033B120208GRAX is UL Listed, indicating compliance with recognized safety standards for electrical protection devices used in industrial environments. This certification supports safer installation and maintenance practices and helps satisfy regulatory requirements for equipment deployed in switchgear and control panel assemblies.
Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options expand fault detection, signal interlocking, and control capabilities, enabling tailored protective schemes and easier integration with other protection devices in complex power systems.
The unit measures 16 inches in depth, 32 inches in height, and 24 inches in width, with an approximate weight of 190 lb. This sizable footprint requires a sturdy mounting surface, appropriate anchoring, and consideration for service clearances. The three-pole, bottom-feed design is intended for integration in standard switchgear bays and aligns with typical installation footprints used in industrial facilities.