Eaton CB2533B120208KRAR Pringle Bolted Pressure Switch - UL
Part Number: CB2533B120208KRAR
Quick Summary
Eaton CB2533B120208KRAR is a bolted pressure contact switch for high-current panel protection. It addresses the challenge of reliable switching under heavy motor loads and space-constrained installations by combining a robust bolted design with straightforward bottom-feed wiring. This unit carries UL Listed certification and supports a range of enclosure environments through NEMA ratings 1, 3R, 4, and 12, ensuring dependable operation in dusty, wet, or corrosive surroundings. With a 2500A amperage rating and a 208V system voltage (120V control), it integrates easily into existing utility and manufacturing facilities. Optional features like Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contacts further enhance safety, while the interlock feature improves fault containment and operator safety.
Product Information
Extended Description
CB2533B120208KRAR Eaton: Eaton pringle bolted pressure contact switch,Interlock,2500A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120208KRAR
UPC
782116952700
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
208 V
Voltage - max
208 V
Voltage rating
208 V
Special features
Interlock
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 - CB2533B120208KRAR
2500A current rating enables handling heavy motor loads without frequent tripping, reducing nuisance maintenance and downtime in critical lines. This translates to lower installation costs and fewer protective device upgrades in high-demand panels, especially within motor control centers and main feeder applications. Three-pole, three-wire, fusible configuration with charge-before-close and interlock enhances safety and reliability, aligning with rigorous industrial protection practices in manufacturing and process facilities. Bottom feed and bottom fuse configuration simplify panel layout and wiring harness routing, saving time during installation and routine maintenance. Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary Contacts provide tailored protection for sensitive circuits and evolving safety standards. UL Listed certification together with NEMA ratings 1, 3R, 4, 12 ensures code compliance and enclosure versatility in harsh environments.
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FAQs
CB2533B120208KRAR is designed for bottom-feed installation with a three-pole, three-wire configuration and fusible protection. Plan for 208V system connections with a 120V control circuit, and ensure the enclosure supports NEMA ratings 1, 3R, 4, 12. Use the optional interlock and ground-fault features if your safety strategy calls for enhanced fault containment and protection against ground faults.
Key specs include a 2500A amperage rating, 208V system voltage, 120V control voltage, three-pole design, and fusible protection. The unit is UL Listed and accommodates NEMA 1, 3R, 4, 12 enclosures. It supports interlock and charge-before-close operation, with optional features like ground fault relay and blown-fuse detection for added safety and reliability.
Yes. The device supports NEMA ratings 1, 3R, 4, 12, making it compatible with a wide range of industrial enclosures. It operates at 208V system voltage with a 120V control circuit and is suitable for three-pole, three-wire installations in motor control centers and switchgear assemblies, with bottom-feed wiring for streamlined panel design.
CB2533B120208KRAR carries UL Listed certification, signaling compliance with essential safety standards for electrical equipment. The product’s NEMA-rated enclosure compatibility (1, 3R, 4, 12) further supports reliability in dusty, wet, and harsh environments. These certifications help ensure code compliance, safer operation, and smoother commissioning in industrial facilities.
The 2500A rating reduces nuisance tripping during heavy-load operation, lowering downtime in critical lines. The robust bolted design, interlock, and option for ground fault or blown fuse detection minimize unscheduled outages, while UL/NEMA compliance supports longer service life in demanding environments. Overall, the unit delivers lower lifecycle costs through reliable protection and reduced maintenance needs.