Eaton CB2033T120480GRA9 Pressure contact switch - UL Listed

Part Number: CB2033T120480GRA9
Manufacturer
Eaton
Part number
CB2033T120480GRA9

Quick Summary

Eaton CB2033T120480GRA9 pressure contact switch provides single-phase motor protection in heavy industrial power circuits. It addresses nuisance trips and costly downtime arising from insufficient protection coordination on critical feeders. UL Listed certification backs safety compliance, while NEMA ratings—1, 3R, 4, and 12—support enclosure compatibility across demanding environments. Designed for top-feed installation and straightforward integration, it delivers reliable protection, reduced maintenance, and improved uptime for panel builders and maintenance teams. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, single-phase protection, and auxiliary provisions to fit diverse plant architectures. With Eaton support and a one-year warranty policy, users can rely on sustained performance and predictable maintenance planning.

Product Information

Extended Description

CB2033T120480GRA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on 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
CB2033T120480GRA9
UPC
782116953325
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 (trips switch)
The CB2033T120480GRA9 delivers a 2000A amperage rating and supports a 480V system voltage, enabling robust protection for large motors and feeders in heavy industrial environments. This capability translates to fewer unplanned outages, reduced arc flash risk, and safer startup sequences in high-demand processes. In practice, engineers deploy it in switchgear, motor control centers, and control panels where single-phase protection and reliable isolation are essential for uptime. Capacitor trip device SPVR provides a controlled, charge-before-close trip, reducing mechanical wear and preventing inrush-related damage. The business impact includes smoother commissioning, lower maintenance costs, and improved protection coordination with upstream devices. In real plants, SPVR functionality helps meet stringent startup and protection requirements for critical lines without compromising reliability. Top feed fuse configuration simplifies wiring, speeds installation, and preserves high fault current handling. The three-pole, three-wire design supports standard three-phase bus arrangements and ensures consistent fault paths across panels. Applications span motor control centers, process plants, and industrial power distribution where robust, organized protection is essential. Optional Ground Fault Relay, Blown Fuse Detection, auxiliary contact provisions, Kirk provisions, and auxiliary contacts are available to tailor protection to specific plant architectures. Ground fault options boost personnel safety in damp or hazardous environments, while blown fuse detection helps reduce mystery faults during maintenance. This versatility supports retrofit projects and upgrades without major hardware changes. UL Listed certification, combined with broad enclosure compatibility through NEMA ratings 1, 3R, 4, and 12, provides clear compliance guidance for panel builders and service teams. Designed for top feed operation, it also supports easy installation with standard mounting provisions and easy field wiring. Overall, the CB2033T120480GRA9 aligns with reliability goals and standards-driven maintenance programs, delivering predictable performance in demanding facilities.

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FAQs

Ensure correct top-feed wiring and fuse configuration per Eaton's guidelines: mount the device in a compatible NEMA enclosure, connect the three wires to the three poles, and verify ground fault or auxiliary options if required. Use the SPVR trip device for controlled protection and confirm conductor sizing aligns with 2000A ampacity. This configuration minimizes miswiring and streamlines commissioning in motor control centers.
Key ratings include 2000A amperage, 120 V control voltage, 480 V system voltage, three-pole, and fusible protection. These specifications support robust protection for large motors and feeders, ensure proper coordination with upstream protections, and enable reliable operation in demanding manufacturing environments. The SPVR feature adds an additional layer of reliability during startup and fault conditions.
Yes, it is suitable for motor protection in switchgear and control panels across manufacturing and process facilities. Its three-pole, top-feed design fits standard three-wire systems, and the UL Listed certification complements diverse enclosure choices (NEMA 1, 3R, 4, 12). Optional Ground Fault Relay and auxiliary provisions enable tailored protection schemes for specific plant architectures.
UL Listed certification ensures electrical safety compliance for industrial use. The device also supports NEMA enclosure compatibility with ratings 1, 3R, 4, and 12, which helps ensure suitable protection in a range of environmental conditions. Those certifications assist with audit readiness and regulatory alignment for panel builders and maintenance teams.
Expect reduced nuisance trips and downtime thanks to robust SPVR-based protection and fusible safeguards. The device’s modular protections (Ground Fault Relay, auxiliary provisions) support easy retrofits, lowering lifecycle costs. UL Listing and documented warranty help simplify procurement, service planning, and long-term reliability in high-demand industrial environments.