Eaton CB2533B120208RA9 Bolted Pressure Contact Switch - UL Listed
Part Number: CB2533B120208RA9
Quick Summary
Eaton CB2533B120208RA9 bolted pressure contact switch provides single‑phase protection for industrial control panels and distribution systems. Engineers often wrestle with nuisance trips and miscoordination that disrupt production and extend downtime. This unit carries UL Listed safety certification and aligns with standard enclosure ratings to simplify compliance in harsh environments, while its bottom-feed, three-pole design supports reliable integration in existing switchgear. The solution offers strong performance with SPVR protection and capacitor-trip capability, delivering dependable protection with lower lifecycle costs. For procurement teams, the combination of rugged construction and flexible options translates to faster commissioning and predictable maintenance budgets.
Product Information
Extended Description
CB2533B120208RA9 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR), BFD with three on lights (trips switch),2500A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120208RA9
UPC
782116953042
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
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
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533B120208RA9
High-current capability with 2500A rating enables motors and feeders to be protected with a single device, reducing panel clutter and inventory costs while improving protection coordination in heavy-duty applications. This bolted pressure contact switch integrates a capacitor trip device (SPVR), delivering reliable trip sequencing that minimizes nuisance trips and enhances personnel safety during fault conditions. Optional Ground Fault Relay, Blown Fuse Detection, Kirk provisions, and auxiliary contact provisions provide tailored protection schemes without needing separate modules, shortening install time and improving compliance with site standards. Bottom feed and fusible configuration simplify wiring, enable easier enclosure integration, and support existing feeder configurations for rapid retrofits in legacy facilities. UL Listed certification adds confidence for audits and OEM approvals, with compatible NEMA ratings ensuring suitability across common industrial enclosures.
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FAQs
CB2533B120208RA9 is designed for bottom feed configurations with three wires and three poles. Install in compliant enclosures (UL listed) with a 208 V system and ensure proper fusible protection. Use the SPVR trip device for controlled capacitor dissipation and verify the wiring follows the device’s terminal layout and safety clearances.
SPVR provides a capacitor-based trip mechanism that ensures a controlled, charge-before-close sequence. This reduces arcing, minimizes mechanical wear on contacts, and improves nuisance-trips management in single-phase circuits at up to 2500A. Combine SPVR with optional ground fault or blown fuse detection for enhanced reliability in critical loads.
Yes. With a 2500A amperage rating and three-pole configuration, this switch is well-suited for protecting large feeders and motor circuits in industrial facilities. Its fusible protection and NEMA-rated enclosure compatibility support robust protection in demanding environments.
The CB2533B120208RA9 is UL Listed, providing recognized safety certification for industrial equipment. Its enclosure compatibility includes NEMA 1, 3R, 4, and 12, aligning with typical industrial enclosures used in harsh environments.
Take advantage of optional features like Ground Fault Relay, Blown Fuse Detection, Kirk provisions, and Auxiliary Contacts to tailor protection to site policies. The unit’s solid construction and compatibility with bottom-feed configurations reduce wiring time, while UL listing and Eaton support simplify audits and long-term maintenance planning.