Eaton CB3033T120480KGR Bolted Pressure Contact Switch - UL
Part Number: CB3033T120480KGR
Quick Summary
Eaton CB3033T120480KGR bolted pressure contact switch protects high-current industrial circuits. Nuisance trips and hard-to-service protection devices drive costly downtime in panel installations. UL Listed ensures safety compliance, while the unit’s NEMA 1, NEMA 3R, NEMA 4 and NEMA 12 ratings support rugged enclosure protection in harsh environments. With optional Ground Fault Relay and single-phase protection, it integrates with existing control power transformers to improve uptime, safety, and maintenance efficiency across electrical distribution networks.
Product Information
Extended Description
CB3033T120480KGR Eaton: Eaton pringle bolted pressure contact switch,Interlock, single-phase relay with capacitor trip device (SPVR),3000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120480KGR
UPC
782116950850
Product Length/Depth
22.5 in
Product Height
28 in
Product Width
40 in
Product Weight
390 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
3000A
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
Interlock, single-phase voltage relay with capacitor trip device (SPVR)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB3033T120480KGR
High-current protection up to 3000A with 120 V control and 480 V system voltage delivers safe, reliable protection for large motors and feeders, reducing fuse changes and arc-flash exposure in critical lines. This three-pole, fusible switch provides precise coordination with control power transformers, enabling straightforward integration in modern motor control centers and power distribution panels. Top feed fuse configuration simplifies wiring, streamlines installation, and reduces panel downtime, supporting faster project timelines and easier commissioning in retrofit or new builds. The interlock and capacitor trip device (SPVR) enhance safety during startup and shutdown, minimizing risk of late closures and protecting protected assets from electrical transients. Optional Ground Fault Relay and auxiliary contact provisions expand system monitoring and fault diagnostics, lowering maintenance costs and enhancing compliance in critical safety circuits. Built for harsh environments, the UL Listed enclosure with NEMA ratings ensures durable performance in demanding industrial settings, while the notable 390 lb weight signals robust construction and long service life.
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FAQs
Install as a three-pole, fusible switch with top-feed configuration to simplify wiring in switchgear or motor control centers. Ensure the control circuit operates at 120 V and the system voltage is 480 V. Use the provided mounting provisions to secure the unit in a UL-listed enclosure, and align auxiliary contacts with your control logic for proper signaling during trip events.
The device provides protection up to 3000 A with 120 V control voltage and 480 V system voltage. It is a three-pole, fusible switch designed for electrical trip with charge-before-close, featuring optional SPVR (single-phase voltage relay with capacitor trip) and ground fault options to enhance protection of feeders and motors.
Yes. With NEMA 1, 3R, 4, and 12 ratings and UL Listing, it is well-suited for motor control centers and switchgear exposed to dust, moisture, and varying temperatures. The 390 lb enclosure indicates a rugged, durable build, designed for reliable operation in demanding industrial settings.
The unit is UL Listed, ensuring safety and compliance with established electrical standards. It supports optional protective features such as ground fault relay and auxiliary contacts, making it suitable for regulated installations that require reliable fault detection and signaling in industrial power distribution systems.
The robust three-pole design and SPVR capability help reduce nuisance trips and startup risk, lowering maintenance interruptions. Optional ground fault protection and auxiliary contacts enable proactive diagnostics, improving uptime and asset protection. A one-year warranty (or eighteen months from shipment) adds financial protection and supports long-term total cost of ownership savings.