Eaton CB2533B120208R Bolted Pressure Switch - UL Listed
Part Number: CB2533B120208R
Quick Summary
Eaton CB2533B120208R bolted pressure switch delivers reliable single‑phase protection for industrial power panels. This design addresses nuisance trips and unreliable fault clearance that plagues legacy protection schemes in crowded switchgear. With UL Listed certification and broad NEMA compatibility (NEMA 1, 3R, 4, 12), it meets rigorous safety and enclosure requirements. The SPVR capacitor trip device adds precise timing and coordination, while the bottom-feed, three‑pole configuration supports straightforward installation in modern controls environments. For engineers and procurement teams, this model aligns with robust protection, easy integration, and lifecycle value across low‑voltage distribution applications.
Product Information
Extended Description
CB2533B120208R Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),2500A,120V,Bottom feed,No ground fault,208V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120208R
UPC
782116953066
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)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533B120208R
Feature → Business Impact → Application: The CB2533B120208R integrates a single‑phase voltage relay with a capacitor trip device (SPVR), delivering faster fault detection and reduced nuisance trips, which translates to improved line availability in critical manufacturing lines and data centers. Application: ideal for motor control centers and equipment decks requiring dependable protection with minimal downtime. Feature → Business Impact → Application: Three‑pole, three‑wire design at 208 V system voltage simplifies wiring architectures, enabling cleaner panel layouts and easier commissioning in North American facilities. Application: suitable for switchgear and control panels serving pumps, fans, and conveyors. Feature → Business Impact → Application: Bottom feed and fusible protection configuration streamline installation and maintenance, allowing easier cable entry and safer field replacements in compact enclosures. Application: commonly used in retrofit projects and new builds with space constraints. Feature → Business Impact → Application: UL Listed certification and broad NEMA ratings (1, 3R, 4, 12) ensure compliance and rugged performance, reducing regulatory risk and widening enclosure compatibility. Application: industrial environments with demanding ingress and protection needs. Feature → Business Impact → Application: Optional Ground Fault Relay, Blown Fuse Detection, and auxiliary contact provisions provide enhanced diagnostics and protection coordination, lowering unplanned outages and supporting predictive maintenance programs. Application: critical facilities and process lines seeking real-time fault visibility and safer operation.
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FAQs
CB2533B120208R uses a bottom feed, three‑pole, three‑wire configuration with fusible protection. Plan for a bottom‑entry installation into compatible enclosures, verify auxiliary contact provisions if needed, and consider optional Ground Fault Relay or blown fuse detection to maximize protection and diagnostic visibility in your panel.
The switch is rated for 2500A amperage, 120V control voltage, and a 208V system voltage with a maximum of 208V. It supports three poles and three wires, is fusible, and is UL Listed, with NEMA 1, 3R, 4, and 12 enclosure compatibility for diverse environments.
Yes. Its three‑pole, 208V configuration and SPVR capacitor trip device are well suited for MCCs and other motor control panels, providing reliable protection and coordinated tripping essential for motor protection schemes in manufacturing and process facilities.
CB2533B120208R is UL Listed and supports broad NEMA ratings (1, 3R, 4, 12), ensuring safety compliance and enclosure versatility across indoor and rugged industrial settings.
The unit offers durable protection with SPVR, optional ground fault and blown fuse detection, and a one‑year warranty from Eaton. Regular inspections of fuse status, auxiliary contacts, and SPVR timing will help sustain performance and minimize unplanned downtime in critical processes.