Eaton CB2533T120480KA9 Pringle Bolted Pressure Switch - UL
Part Number: CB2533T120480KA9
Quick Summary
CB2533T120480KA9 is a bolted pressure contact switch designed for high-current protection in industrial power distribution. In mission-critical environments, downtime and mis-trips cost time and money, so reliability and clear fault signaling matter. This unit carries UL Listed certification and supports the NEMA 1, 3R, 4, and 12 enclosure ratings, ensuring safe operation across wet, dusty, and rugged conditions. With top-feed wiring and fusible protection, it delivers straightforward installation, simplified maintenance, and robust protection for three-pole systems. For procurement teams, its compatibility with Eaton switching devices and available options (ground fault relay, blown fuse detection, and auxiliary contacts) translates into faster commissioning and fewer spare-part challenges.
Product Information
Extended Description
CB2533T120480KA9 Eaton: Eaton pringle bolted pressure contact switch,Interlock, BFD with three on lights (trips switch),2500A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480KA9
UPC
782116952052
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
205 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
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
2500A
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
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480KA9
Feature: 2500A amperage rating paired with 480V system voltage and 120V control voltage. Business Impact: Enables safe, reliable interruption of high-current circuits, reducing the risk of arcing and equipment damage in heavy industrial loads. Application: Suitable for large motor feeders and power distribution panels where peak demand is common. Feature: Top feed and fusible protection with three-pole, three-wire configuration. Business Impact: Simplifies installation while delivering robust, coordinated protection across phases, improving fault isolation and maintenance planning. Application: Ideal for control rooms and process lines requiring dependable three-phase protection. Feature: Interlock and BFD with three normally-on lights that trip the switch. Business Impact: Enhances operator visibility and clear trip indication, lowering commissioning time and operator error. Application: Critical in safety interlock circuits and when rapid fault diagnosis is essential. Feature: UL Listed certification and NEMA compatibility (1, 3R, 4, 12). Business Impact: Ensures regulatory compliance and enclosure versatility across diverse environments, reducing redesign costs. Application: Fits both indoor and outdoor-rated panels, with flexible mounting options. Feature: Optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Auxiliary Contacts, and Kirk Provisions. Business Impact: Provides scalable protection and diagnostics, enabling predictive maintenance and easier retrofits. Application: Procurement-ready for upgrade projects and long-term reliability programs. Feature: Durable construction with 17 in depth, 28 in height and substantial 205 lb weight. Business Impact: Physical robustness contributes to long service life in harsh industrial settings, lowering replacement cycles. Application: Heavy-duty switchgear installations requiring rugged hardware.
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FAQs
Install with the top-feed configuration, three wires, and fusible protection as specified. Ensure the interlock and trip mechanism are correctly wired to the control circuit, and verify the three normally-on indication lights align with the BFD feature for accurate fault signaling. Use the 17 in depth and 28 in height clearance to maintain safe servicing access.
The CB2533T120480KA9 supports 2500A amperage, 480V system voltage, and 120V control voltage. It is a three-pole, three-wire device with fusible protection and top-feed configuration, designed for high-current industrial applications and compatible with NEMA enclosures such as 1, 3R, 4, and 12.
Yes. With a 2500A rating and 480V system voltage, three-pole operation, and UL Listed certification, this switch is built for demanding panels. Its NEMA compatibility (1, 3R, 4, 12) allows installation across diverse environments, including damp or dusty locations, while the interlock and fault signaling improve safety and downtime recovery.
The CB2533T120480KA9 carries UL Listed certification and is compatible with multiple NEMA enclosure ratings (1, 3R, 4, 12). Optional features like ground fault relay and blown fuse detection enhance compliance and protective capabilities, making it suitable for regulated industrial environments and reliable maintenance programs.
Investing in the CB2533T120480KA9 yields improved reliability, reduced unplanned downtime from clear trip indication and interlock signaling, and easier maintenance thanks to available diagnostics and auxiliary contacts. Its rugged build and compatibility with Eaton switching devices also streamline spares management and commissioning, delivering faster project ROI.