Eaton CB3033T120480KA97 Pressure Contact Switch - UL Listed
Part Number: CB3033T120480KA97
Quick Summary
Eaton pringle bolted pressure contact switch provides robust protection for high-current, three-phase power-distribution systems in industrial facilities. Customer pain often centers on preventing nuisance trips, downtime, and costly warranty claims during equipment startup. Key certifications and ratings include UL Listed certification, plus favorable NEMA ratings for reliability in enclosures. This switch's top-feed design with 2 NO-2 NC configuration and fusible protection streamlines installation and ongoing maintenance, delivering measurable uptime and safety. In practice, engineers specify CB3033T120480KA97 for high-current disconnects, motor control centers, and safer power distribution across demanding environments. The 120 V control voltage simplifies integration with existing control systems, while 480 V system voltage supports direct feed from main switchgear. With Eaton's interlock and alert features, maintenance teams diagnose faults quickly, reducing mean-time-to-repair and extending equipment life.
Product Information
Extended Description
CB3033T120480KA97 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (trips switch),3000A,2NO-2NC,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB3033T120480KA97
UPC
782116950928
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.
Contact configuration
2 NO-2 NC
Feed type
Top
Fuse configuration
Top feed
Ground
No ground fault
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, BFD with three normally on lights (trips switch)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - CB3033T120480KA97
Feature: 3000 A amperage rating combined with 480 V system voltage enables handling high current and voltage demands in a single switch, reducing the need for multiple devices. Business Impact: Simplified panel design lowers installation costs and minimizes wiring complexity, while enhancing safety with robust fault protection. Application: Motor control centers and main disconnects in heavy industrial environments benefit from consolidated protection and ease of maintenance. Feature: 2 NO-2 NC contact configuration provides flexible control logic for interlocks and status signaling. Business Impact: Enables precise control schemes, reduces wiring errors, and supports safer start-up sequences. Application: Machinery with start/stop interlocks and auxiliary signaling in packaging, mining, or metals processing. Feature: Top feed and fusible configuration streamline field wiring and provide built-in overcurrent protection. Business Impact: Faster cabinet wiring, improved fault clearing, and reduced maintenance visits. Application: Enclosures where upward wiring access and selective protection are required. Feature: Interlock, BFD with three normally-on lights that trip the switch, delivering clear operational status. Business Impact: Improves operator safety and maintenance efficiency with immediate fault indication. Application: Safety-critical power distribution where quick fault identification reduces downtime. Feature: 120 V control voltage paired with 480 V system voltage offers seamless integration with existing controls and direct main-feed compatibility. Business Impact: Minimizes control panel modifications, accelerates deployment, and lowers total cost of ownership. Application: Retrofit projects and new builds that leverage standard control voltages. Feature: Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary/ Kirk provisions are available for enhanced protection and diagnostics. Business Impact: Improves safety compliance, reduces nuisance faults, and supports predictive maintenance. Application: Environments requiring enhanced protection and diagnostic capabilities, such as chemical plants or heavy manufacturing.
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FAQs
Install the CB3033T120480KA97 as a three-pole, top-fed disconnect with the 2 NO-2 NC contacts wired to the appropriate control and load circuits. Verify 480 V main supply and 120 V control voltage compatibility, secure the switch within a compliant enclosure, and observe UL-listed mounting guidelines to ensure safe operation and reliable interlock function.
With a 3000 A amperage rating and fusible protection, this switch handles peak inrush and continuous load effectively while providing a safe, single-point disconnect. The 480 V system voltage supports direct connection to large motors and feeders, reducing equipment count and simplifying protection coordination in heavy industry.
Yes, its UL Listed certification and NEMA-rated enclosure compatibility (NEMA 1, 3R, 4, 12) offer reliable protection in varied environments. The bolted, interlocked design, combined with fusible protection and top-feed connectivity, supports durable performance in dusty, humid, or vibration-prone settings typical of mining, metal processing, and heavy manufacturing.
The product carries UL Listed certification, confirming compliance with recognized safety standards. Optional features such as Ground Fault Relay, Blown Fuse Detection, and Auxiliary provisions expand protection and diagnostic capabilities, helping facilities meet regulatory and internal safety requirements while maintaining high availability.
The device consolidates high-current protection into a single component, reducing parts inventory and wiring complexity. Its fast-tripping action and interlock status indicators minimize downtime and MTTR, while optional diagnostics support proactive maintenance. Overall, you should see improved uptime, safer operations, and lower lifecycle costs in demanding industrial applications.