Eaton CB2033B120480GRAX7 Pringle bolted switch - UL Listed
Part Number: CB2033B120480GRAX7
Quick Summary
Eaton CB2033B120480GRAX7 is a bolted pressure contact switch for heavy-duty power distribution protection. Engineers often confront downtime from nuisance trips or miswired control circuits, and this device helps mitigate those issues with a reliable trip mechanism and clear fault signaling. Critical certifications include UL Listed compliance and compatibility with NEMA-rated enclosures such as 1, 3R, 4 and 12, ensuring safe operation across environments. This combination delivers robust protection for switchgear and motor control centers while supporting scalable protection schemes. With a 120 V control voltage and a 480 V system voltage, it offers flexible integration in modern low- and medium-voltage facilities, helping reduce life-cycle costs and spare parts inventory.
Product Information
Extended Description
CB2033B120480GRAX7 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no lights (trips switch),2000A,2NO-2NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480GRAX7
UPC
782116957798
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.
Contact configuration
2 NO-2 NC
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
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 - CB2033B120480GRAX7
Feature: Three-pole, 2 NO-2 NC contact configuration. Business Impact: Enables flexible interlocking and signaling schemes for complex protection logic, reducing wiring errors and improving diagnostics in control panels. Application: Suitable for 3-wire, 3-phase feeder protection in switchgear and MCCs. Feature: Capacitor trip device (SPVR) for controlled, rapid tripping. Business Impact: Improves selective coordination and reduces nuisance trips, lowering unplanned downtime and maintenance costs. Application: Ideal for systems requiring fast, capacitor-assisted protection in medium to large installations. Feature: Bottom feed and fusible design. Business Impact: Simplifies installation in compact footprints while providing reliable fuse-based protection for feeders and critical loads. Application: Commonly used in grounded, bottom-fed panels and compact switchgear deployments. Feature: Ground fault with control power transformer. Business Impact: Adds ground-fault protection without sacrificing control power reliability, increasing personnel safety and circuit integrity. Application: Essential in facilities with sensitive equipment and stringent fault-detection requirements. Feature: UL Listed and broad NEMA enclosure compatibility. Business Impact: Ensures approved installation in varied environments, reducing engineering approval time and accelerating procurement. Application: Deployable in industrial, commercial, and harsh environments where enclosure ratings matter. Feature: Optional Ground Fault Relay and Blown Fuse Detection (catalog notes). Business Impact: Provides targeted diagnostics and enhanced protection options, lowering unplanned outages and enabling proactive maintenance. Application: Suitable for facilities seeking extended protection coverage and traceability.
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FAQs
Install in a compatible NEMA enclosure with bottom-feed wiring. Ensure the three-pole, 3-wire configuration is correctly wired to 2NO-2NC contacts, and provide adequate space for the 16 in x 24 in x 32 in footprint and 190 lb weight. Follow manufacturer clearance and grounding guidelines and verify proper fuse protection as specified.
It is rated for 2000A amperage, with a 120 V control voltage and a 480 V system voltage. The product uses a 2NO-2NC contact configuration and is fusible, designed for three-pole, three-wire operation.
Yes. The CB2033B120480GRAX7 supports heavy-duty protection in switchgear and MCCs, featuring SPVR capacitive trip and ground-fault options, UL Listed certification, and NEMA-rated enclosure compatibility for reliable motor control protection in industrial environments.
The device is UL Listed, and it is compatible with NEMA enclosure ratings including 1, 3R, 4 and 12, supporting safe operation across varied installation environments.
Warranty terms follow Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first, with optional auxiliary features and ground fault provisions available as catalog notes.