Eaton CB2533T120208GRA9 Bolted Pressure Switch - UL
Part Number: CB2533T120208GRA9
Quick Summary
Eaton CB2533T120208GRA9 is a bolted pressure contact switch for high-current motor protection in industrial power distribution. This device helps prevent nuisance trips and downtime by combining a single-phase relay with a capacitor trip (SPVR) and built-in fault detection. Operators gain reliability from UL Listed certification and a rugged enclosure rated for demanding environments, with top-feed, three-wire configurations and fusible protection compatibility. The solution supports optional ground fault relay and auxiliary provisions, enabling easy integration into existing panels. By delivering robust protection and clear diagnostics, it reduces maintenance time, lowers total cost of ownership, and improves plant uptime and safety.
Product Information
Extended Description
CB2533T120208GRA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),2500A,120V,Top feed,Ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120208GRA9
UPC
782116952298
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
Ground fault with control power transformer
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
Single-phase voltage relay with capacitor trip device (SPVR), 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 - CB2533T120208GRA9
High-current protection with a 2500A rating provides durable motor and feeder protection, reducing the number of protective devices required in large installations and enabling simpler protection schemes in switchgear. The SPVR capacitor trip device delivers fast, controlled opening on phase faults, decreasing nuisance trips and improving process continuity in manufacturing lines and material handling systems. A three-pole, top-feed, fusible configuration simplifies wiring and coordinate with existing protection strategies, enabling straightforward integration into power distribution panels and motor control centers. Ground fault protection with an integrated control transformer and optional Ground Fault Relay strengthens safety margins for critical loads, reducing risk of energization faults in pump rooms and heavy machinery. Clear status indication via three on-lights (BFD) supports quick fault diagnosis and reduces maintenance time during outages. The enclosure meets UL requirements and NEMA ratings for indoor and rugged environments, supporting durable in-field performance and long service life. With dimensions of 17 in long, 28 in high, and 28 in wide, and a weight of 205 lb, installation planning and mounting are straightforward in standard plant spaces, while the 25-year-plus track record of Eaton switching devices provides confidence in lifecycle costs and serviceability.
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FAQs
Plan for a top-feed, three-wire configuration with a three-pole assembly. Ensure space for the 17 in x 28 in x 28 in enclosure and the 205 lb weight, and provide proper mounting hardware. Integrate with fusible protection and verify clearance for the capacitor trip device and SPVR components to facilitate service access.
The CB2533T120208GRA9 is rated for 2500 A current with a 208 V system voltage and a 120 V control circuit. It supports a max voltage of 208 V and a three-wire, three-pole configuration, with NEMA ratings of 1, 3R, 4, and 12 and fusible protection.
Yes. The catalog notes indicate optional Ground Fault Relay and ground fault protection with a control power transformer, plus auxiliary contact provisions. This enables enhanced protection for critical loads and easy integration into existing protection schemes in your panels.
Yes. UL Listed, along with NEMA ratings of 1, 3R, 4, and 12, indicate suitability for indoor and rugged industrial environments. The top-feed, three-pole design with fusible protection supports reliable operation in demanding switchgear and power distribution applications.
Warranty follows Eaton Selling Policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This covers manufacturing defects, with Eaton’s support network available for field service and spare parts as needed.