Eaton CB2533B120480RAXCT Pringle bolted switch - UL Listed
Part Number: CB2533B120480RAXCT
Quick Summary
Eaton CB2533B120480RAXCT pringle bolted pressure contact switch is designed to provide reliable high-current protection for large electrical switchgear. This device helps engineers avoid nuisance trips and wiring complexity that slow commissioning and increase downtime. The unit supports SPVR with a capacitor trip, bottom feed, and fusible protection, delivering fast, predictable responses in demanding environments. UL Listed and rated for NEMA 1, 3R, 4, and 12 enclosures, it is compatible with a range of Eaton catalog provisions including optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, and Kirk provisions. The combination of rugged construction and clear installation pathways reduces maintenance costs while boosting overall plant reliability. It supports efficient distribution in industrial facilities and data centers.
Product Information
Extended Description
CB2533B120480RAXCT Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with no 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
CB2533B120480RAXCT
UPC
782116952885
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
Single-phase voltage relay with capacitor trip device (SPVR), BFD with no 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 - CB2533B120480RAXCT
Three-pole, 2500A amperage rating enables direct switching of large feeders and bus bars, reducing hardware footprint and installation time, which translates to lower upfront costs and faster commissioning. The Sprinkled with SPVR capacitor trip device provides precise single-phase protection, improving fault response and minimizing arc energy in critical circuits—ideal for motor control centers and essential process lines. Bottom feed and fusible protection simplify wiring, enable compact panel layouts, and enhance fault isolation for safer maintenance. With a 480V system voltage and 120V control voltage, the unit supports common industrial power architectures while maintaining robust protection across harsh environments. UL Listed and rated for NEMA 1, 3R, 4, and 12 enclosures, the switch delivers reliable operation in a variety of indoor and outdoor settings. Optional features—Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, and Kirk provisions—offer scalable protection and easier integration with existing safety schemes. Rugged construction, a 235 lb footprint, and dimensions of 17 in (L) x 32 in (H) x 28 in (W) support straightforward installation and serviceability in harsh plant spaces.
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FAQs
This model is designed for bottom feed with a three-pole, 480V system and 2500A capacity. Plan for the 17 in depth, 32 in height, and 28 in width footprint, and accommodate a 235 lb unit weight. Ensure adequate panel space, proper mounting hardware, and clearance for wiring, then connect to a suited switchgear enclosure rated for NEMA 1/3R/4/12 where UL Listed protection is maintained.
The SPVR capacitor trip device delivers fast, predictable single-phase protection, reducing arc energy and minimizing unnecessary trips. This improves reliability for critical loads and simplifies coordination with upstream protection devices. It supports safer startup sequencing and helps maintain process continuity in manufacturing lines and data-center power distribution.
Yes, this switch is UL Listed, ensuring compliance with recognized safety standards. It is suitable for NEMA 1, NEMA 3R, NEMA 4, and NEMA 12 enclosures, providing versatile protection in indoor and outdoor environments. This makes it compatible with standard industrial switchgear and provides a reliable platform for high-current applications.
Yes. Catalog notes indicate optional Ground Fault Relay, Blown Fuse Detection, Auxiliary Contact Provisions, and Kirk provisions are available. These options enable enhanced fault monitoring, improved ditch protection for selective tripping, and easier integration with control systems and safety interlocks in large installations.
The device handles up to 2500A with a 480V system voltage and 120V control voltage, three-pole, three-wire configuration, fusible protection, and bottom feed. It is designed for heavy-duty electrical distribution in process facilities, manufacturing lines, and power centers, delivering reliable switching for high-current feeders while maintaining safe operation and regulator compliance.