Eaton CB3033T120480GA9 Bolted Pressure Switch - UL Listed
Part Number: CB3033T120480GA9
Quick Summary
Eaton CB3033T120480GA9 bolted pressure switch protects feeders in industrial power distribution panels. This high-capacity device provides reliable electrical protection for three-pole, three-wire circuits, helping prevent costly downtime. The unit is UL Listed and designed for tough environments with NEMA 1, 3R, 4, and 12 enclosure compatibility, ensuring safe operation across plant floors. For engineers wrestling with large feeds, ground-fault options, and fuse protection, this model offers integrated protection and straightforward wiring. By supporting 480V system voltage with 120V control, it scales from small lines to large motor feeders, delivering dependable protection while simplifying maintenance and service planning.
Product Information
Extended Description
CB3033T120480GA9 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),3000A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120480GA9
UPC
782116951123
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
BFD with three normally on 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 - CB3033T120480GA9
Selling Policy 25-000 - Distribution and Control Products and Services
Three-pole bolted pressure switch with a top-feed configuration delivers a rugged disconnect for high-current feeders. This architecture reduces coordination errors during maintenance and improves fault isolation, translating to shorter downtime in busy manufacturing lines. The 3000A amperage rating paired with a 480V system voltage and 120V control voltage ensures capability for large motor feeders while maintaining compatibility with common control circuits. Fusible protection provides a clear path for device protection, with optional Ground Fault Relay and blown fuse detection available to enhance safety and fault diagnosis. NEMA ratings of 1, 3R, 4, and 12 guide enclosure compatibility, supporting installation in demanding environments. The sizeable footprint and 390 lb weight emphasize rugged construction, while UL Listed certification supports compliance and reliability in regulated facilities. Optional Kirk provisions and auxiliary contact provisions enable broader control schemes and future-proofing.
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FAQs
Yes. CB3033T120480GA9 is designed for 480V three-phase systems with a three-pole, three-wire configuration. It supports top-feed wiring and fusible protection, making it suitable for large motor feeders and switchgear. When wiring, ensure correct phase alignment and follow Eaton’s wiring diagram in the specification sheet to maintain safety and performance.
The device is rated for 3000A with a 480V system voltage and a 120V control circuit, enabling robust protection for large feeders. Its charge-before-close mechanism provides controlled switching, reducing arcing. Optional protections like ground fault and blown fuse detection enhance reliability, while UL Listing confirms compliance with safety standards for industrial environments.
This high-current bolted pressure switch is well-suited for manufacturing plants, processing facilities, and energy-intensive industries requiring reliable motor feeder protection. Typical applications include switchgear assemblies, large panelboards, and power distribution centers where 480V feeders and 120V control circuits must be managed with strong fault protection and ease of maintenance.
The CB3033T120480GA9 is UL Listed, indicating compliance with important electrical safety standards. It also carries enclosure compatibility with NEMA 1, NEMA 3R, NEMA 4, and NEMA 12, guiding where the unit can be installed in terms environmental protection and enclosure suitability.
With a one-year Eaton warranty (or 18 months from shipment, whichever occurs first) and optional features like ground-fault protection and auxiliary contacts, the CB3033T120480GA9 offers predictable service life and extensibility. Its robust construction, large current rating, and UL certification contribute to reduced downtime and longer intervals between repairs, improving total cost of ownership in demanding facilities.