Eaton CB1633T120480GAX6 Pringle bolted pressure contact switch - UL Listed
Part Number: CB1633T120480GAX6
Quick Summary
Eaton CB1633T120480GAX6 bolted pressure contact switch protects heavy electrical equipment in industrial power distribution. This design addresses the common pain of unreliable tripping and inconsistent fault protection across feeders. It carries UL Listed safety certification and is compatible with multiple enclosures rated to NEMA 1, 3R, 4 and 12, enabling versatile indoor deployments. The unit supports high-current protection with fusible protection and three-pole operation, while top-feed configuration simplifies installation in space constrained panels. Optional Ground Fault Relay, single-phase protection, and auxiliary contact provisions provide flexibility to meet evolving protection schemes and maintenance requirements, helping reduce downtime and extend asset life in manufacturing, water treatment, and process plants.
Product Information
Extended Description
CB1633T120480GAX6 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch), handle suitable for 6'6" requirements,1600A,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB1633T120480GAX6
UPC
782116957071
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
1600A
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 no lights (trips switch), handle suitable for 6'6" requirements
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB1633T120480GAX6
Selling Policy 25-000 - Distribution and Control Products and Services
High current capability with top feed design delivers immediate business impact by consolidating protective functions in a single assembly. The CB1633T120480GAX6 supports 1600A at 480V with fusible protection and a three-pole, three-wire configuration, allowing larger feeders to be protected without adding separate devices. This translates into reduced panel depth requirements and simpler wiring, saving installation time on new builds and retrofit projects in automotive, metals, and process industries. Charge before close and electrical trip provide predictable switching sequences that minimize transients and arc flash risk. The charge-before-close mechanism ensures the circuit is properly pre-charged before closing, improving reliability when starting heavy loads. In practice, engineers see lower contact wear, fewer nuisance trips, and smoother motor starts in critical lines such as conveyors, pumps, and fans. Ground fault protection and optional features add layers of safety and maintenance ease. With ground fault with control power transformer and optional Ground Fault Relay, you can quickly detect insulation issues and prevent shock hazards. Optional features like Blown Fuse Detection and Auxiliary Contact Provisions support condition monitoring and remote signaling, reducing unscheduled downtime in food and beverage, water treatment, and mining applications. Rugged enclosure and compliance simplify procurement and installation. UL Listed certification confirms safety and reliability, while NEMA ratings cover typical indoor environments from dry to wet locations. The large dimensions and weight of the unit are not a barrier, as it is designed for top feed and straightforward mounting in switchgear assemblies. Kirk provisions and auxiliary provisions offer integration flexibility with existing control systems and interlocks. Operational value and service support underpin total cost of ownership. The product carries a clear one year warranty and a long standing Eaton support network, with access to specification sheets, datasheets and training through Eaton channels. This translates into predictable maintenance intervals, faster parts replacement, and a lower total cost of ownership for capital projects across industrial sectors.
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FAQs
CB1633T120480GAX6 uses a top-feed fuse configuration with a three-pole, three-wire setup, enabling straightforward mounting in standard switchgear and feeders. Its 480V system voltage and 1600A current rating support large feeders while maintaining compact integration. The design simplifies wiring, reduces accessory count, and aligns with common control power arrangements found in manufacturing and distribution environments.
Key specs include an amperage rating of 1600A, system voltage 480V, and a 120V control voltage. It is suitable for high-demand feeders and motor control centers where heavy-duty protection is required. The three-pole, three-wire configuration supports three-phase systems, while fusible protection provides reliable overload and fault clearing in demanding industrial applications.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, and Single Phase Protection are available. This enables enhanced fault detection, safer operation during partial faults, and flexible protection schemes for mixed loads. When designing a system, pairing these options with Kirk provisions and auxiliary contacts can improve monitoring and interlock capabilities.
The unit is UL Listed, confirming safety and reliability. It also supports enclosure compatibility across NEMA ratings including NEMA 1, 3R, 4 and 12, suitable for indoor environments from dry to damp or wet locations. These certifications and ratings aid compliance during procurement and simplify installation across manufacturing floors, processing plants, and distribution panels.
The CB1633T120480GAX6 is backed by Eaton with a one-year warranty from installation or eighteen months from shipment, whichever occurs first. Eaton provides access to specification sheets, datasheets, and technical support through its network. Routine maintenance benefits include long service life, predictable spare parts availability, and reduced downtime in capital projects.