Eaton CB2533B120480PC Pringle bolted pressure contact switch - UL Listed
Part Number: CB2533B120480PC
Quick Summary
The Eaton CB2533B120480PC pressure switch is designed for heavy-duty protection in industrial control panels, delivering reliable three-pole, three-wire switching at 480 V with a 120 V control circuit. Nuisance trips and delayed fault detection can cripple uptime; this model uses a capacitor trip device to deliver a predictable, fast trip response even in demanding environments. UL Listed certification and broad enclosure compatibility (NEMA 1, 3R, 4, 12) support rigorous safety and reliability standards, while optional Ground Fault Relay and auxiliary contact provisions cater to complex control schemes. For panel builders, this device offers robust fusible protection with Kirk provisions and bottom-feed installation, translating to improved safety, fewer faults, and easier maintenance.
Product Information
Extended Description
CB2533B120480PC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor),2500A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480PC
UPC
782116952892
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 (Taylor)
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - CB2533B120480PC
Capacitor trip device (Taylor) provides a controlled trip sequence, improving trip reliability and reducing unplanned downtime in critical motor circuits. Feature → Business Impact → Application. The three-pole, bottom-feed design delivers solid fault isolation and simplifies integration into existing control panels and motor control centers, enhancing panel density and serviceability. Feature → Business Impact → Application. Fusible protection with 480 V system voltage supports safe disconnection during overloads, helping meet electrical codes and reduce arc flash risk across industrial installations. Feature → Business Impact → Application. UL Listed certification and broad NEMA enclosure ratings (1, 3R, 4, 12) streamline procurement, inspection, and compliance across facilities. Feature → Business Impact → Application. Optional Ground Fault Relay, Blown Fuse Detection, single-phase protection, Kirk provisions, and auxiliary contact provisions provide installation flexibility for complex control schemes without rework. Feature → Business Impact → Application. The rugged, bottom-feed design and available auxiliary options reduce commissioning time and support maintainable, long-term reliability in harsh industrial environments.
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FAQs
CB2533B120480PC is a three-pole, bottom-feed, fusible pressure switch designed for 480 V systems with a 120 V control circuit. For installation, verify panel cutouts align with the unit dimensions (17 in depth, 32 in height, 28 in width), route control wiring to the 120 V coil, and connect three power conductors to the three poles. Use Kirk and auxiliary provisions as needed to integrate with existing control schemes. Follow standard lockout/tagout procedures and ensure UL-listed enclosure compatibility for safe operation.
Yes. The device is specified for a 480 V system voltage and a 120 V control voltage, making it suitable for many industrial power distribution configurations and motor control centers that require high-current protection with a separate control circuit.
The CB2533B120480PC is UL Listed, providing a recognized safety certification. It supports multiple NEMA enclosure ratings (NEMA 1, 3R, 4, 12), enabling use in a range of indoor industrial environments from general-purpose cabinets to harsher washdown or weather-protected enclosures.
The switch provides fusible protection with a capacitor trip device for single-phase protection. Optional features include Ground Fault Relay, Blown Fuse Detection, Kirk Provisions, and Auxiliary Contact Provisions, enabling flexible integration into complex control architectures and enhanced fault detection.
The device’s robust construction and precise capacitor trip mechanism reduce nuisance trips and downtime, improving uptime in critical processes. UL certification and NEMA compatibility simplify compliance audits, while optional provisions support scalable control schemes. Warranty terms include one year from installation or 18 months from shipment, whichever comes first.