Eaton CB2533B120480A9 Pringle bolted pressure contact switch - UL Listed
Part Number: CB2533B120480A9
Quick Summary
Eaton pringle bolted pressure contact switch enables high-current protection for industrial power distribution. This heavy-duty device minimizes downtime by delivering reliable tripping and easy integration with existing switchgear. UL Listed certification supports regulatory safety, while NEMA 1, 3R, 4 and 12 ratings confirm suitability for indoor and protected outdoor environments. Designed for switchgear protection and industrial control, it pairs with 480 V systems and 120 V control circuits, delivering robust fault protection and long service life for critical manufacturing and processing applications.
Product Information
Extended Description
CB2533B120480A9 Eaton: Eaton pringle bolted pressure contact switch,BFD with three on lights (trips switch),2500A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480A9
UPC
782116952977
Product Length/Depth
17 in
Product Height
32 in
Product Width
28 in
Product Weight
235 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
Bottom
Fuse configuration
Bottom 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
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 - CB2533B120480A9
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: Three-pole, bottom-feed fusible design simplifies installation in three-phase switchgear and reduces wiring complexity, accelerating panel assembly and serviceability. This translates to lower commissioning time and improved reliability in motor control centers and distribution panels. Feature → Business Impact → Application: 2500 A amperage rating with 480 V system capability and 120 V control voltage supports large motors and feeders, reducing the need for multiple devices and enabling streamlined protection schemes in heavy industrial plants. Feature → Business Impact → Application: UL Listed with NEMA ratings 1, 3R, 4, and 12 provides assurance of safety compliance and enclosure suitability for both indoor and protected outdoor environments, enabling confident deployment in demanding facilities. Feature → Business Impact → Application: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions enable tailored protection strategies, enhancing fault diagnostics, maintenance planning, and system reliability. Feature → Business Impact → Application: The bottom-feed, fusible configuration and three-wire design support straightforward integration with existing switchgear, reducing field modifications and enabling quicker deployments in retrofit projects. Feature → Business Impact → Application: A robust charge-before-close mechanism improves switching safety, minimizes arcing, and extends switch life, which translates to lower lifecycle costs and more predictable maintenance windows.
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FAQs
CB2533B120480A9 is designed for three-phase systems up to 480 V with a bottom-feed, fusible configuration. It features a three-pole, three-wire arrangement and supports 2500 A loads, making it suitable for switchgear, motor control centers, and large distribution panels in industrial facilities. Compatibility includes UL Listed safety approval and NEMA ratings for indoor and protected outdoor environments.
Key specs include a 2500 A amperage rating, 480 V system voltage, and 120 V control voltage. It is a three-pole, three-wire, fusible device with bottom-feed configuration, designed for heavy-duty protection in industrial power distribution. The unit carries UL Listed certification and NEMA 1, 3R, 4, and 12 ratings, supporting durable operation in challenging environments.
Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contact Provisions. These options enable tailored safety criteria, improved fault diagnostics, and expanded control interlocks, allowing integration into comprehensive protective schemes for switchgear and utility-grade installations.
The CB2533B120480A9 carries UL Listed certification, confirming safety compliance for electrical assemblies. It also meets applicable enclosure and protection standards as indicated by its NEMA ratings (1, 3R, 4, 12). This combination supports regulatory acceptance in industrial facilities and safe operation within defined environmental conditions.
The Eaton Specification Sheet for CB2533B120480A9 is available from Eaton’s site, along with a product catalog entry and warranty documentation. You can also access related videos and the Switching Devices catalog for installation guidance and integration tips with Kirk provisions and auxiliary contact options.