Eaton CB2033T120480GRA Pringle bolted pressure contact switch - UL Listed
Part Number: CB2033T120480GRA
Quick Summary
The Eaton pringle bolted pressure contact switch is a high-capacity, single-phase protection relay designed for power distribution panels and motor control centers. It delivers reliable capacitor-tripped protection with an SPVR device, reducing nuisance trips in demanding electrical environments. This unit is UL Listed and engineered for top-feed de-energization with three-pole, three-wire configurations and fusible protections, supporting 480 V systems while offering a 120 V control voltage. By integrating ground-fault sensing and optional auxiliary contacts, it streamlines control wiring and maintenance. For engineers and procurement teams, the device provides clear installation criteria, robust enclosure compatibility, and a clear path to compliant, safer plant operation.
Product Information
Extended Description
CB2033T120480GRA Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (does not trip),2000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033T120480GRA
UPC
782116953318
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 three normally on lights (does not trip)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033T120480GRA
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Single-phase protection with capacitor trip device (SPVR) delivers fast, reliable fault clearance, reducing downtime and equipment wear in motor control centers. This translates to improved process uptime and predictable maintenance planning in high-load lines. Application: used in distribution panels and industrial switchgear where precise trip sequencing is critical for process integrity and safety. Feature → Business Impact → Application: Top feed, three-pole, three-wire configuration enables straightforward wiring and compatible enclosure integration in rugged environments. Benefit: simplifies installation and reduces wiring errors in large-scale plant retrofits or new builds. Application: suitable for 480 V systems with 120 V control power in heavy industrial settings. Feature → Business Impact → Application: Ground fault with control power transformer improves fault detection and operator safety, lowering arc flash risk and unplanned outages. Application: ideal for facilities with critical motors and sensitive loads requiring enhanced protection. Feature → Business Impact → Application: BFD with three normally-on lights provides real-time status without tripping, aiding maintenance planning and diagnostic workflows. Application: useful in control rooms and switchgear housings where clear visual indicators accelerate troubleshooting. Feature → Business Impact → Application: Fusible protection and UL Listed certification deliver compliance and predictable fuse-informed protection. Application: suitable for regulated environments and OEM panel integrations. Feature → Business Impact → Application: 2000 A, 480 V system ratings couple with a 120 V control voltage for scalable, high-current applications. Application: big motor feeders, fans, pumps, and presses in manufacturing facilities.
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FAQs
Yes. The device uses a top-feed configuration and is a three-pole, three-wire switch designed for 480 V systems with a 120 V control circuit. It supports fusible protection and optional ground fault features, making it compatible with standard industrial switchgear and distribution panels while reducing installation complexity and wiring errors.
The CB2033T120480GRA is rated for 2000 A with a 480 V system voltage and a 120 V control voltage. It features a capacitor trip device (SPVR) to enable controlled tripping and includes fusible protection. Optional features include ground fault relay and auxiliary contacts to enhance protection and control fidelity.
This switch is ideal for large motor feeders, power distribution panels, and motor control centers in manufacturing, mining, and process industries. Its high current rating, three-pole configuration, and SPVR technology make it suitable for demanding loads, while UL Listing supports compliance in regulated environments.
The CB2033T120480GRA is UL Listed, confirming compliance with safety standards for electrical equipment. While the data does not specify SIL, CE, or IP ratings, the product supports NEMA 1, 3R, 4, and 12 enclosure compatibility, aligning with common industrial enclosure requirements. Optional features further support regulatory and safety needs.
With a robust, high-current design and clear status indicators, this switch reduces maintenance-related downtime and troubleshooting time. Its UL Listed certification and compatible enclosure options streamline audits and servicing. Although upfront cost may be higher than smaller protective devices, the device’s durability and reduced nuisance trips contribute to favorable total cost of ownership in heavy-load applications.