Eaton CB2533B120480PAXC Bolted Pressure Switch - UL Listed
Part Number: CB2533B120480PAXC
Quick Summary
Eaton pringle bolted pressure contact switch provides single-phase protection for industrial power circuits. Engineers often wrestle with nuisance trips, missed fault detection, and costly downtime when protection relays misbehave. This unit carries UL Listed safety certification and supports NEMA 1, 3R, 4, and 12 enclosure ratings, enabling flexible field installations in harsh environments. With bottom-feed configuration and a capacitor trip device, it delivers robust protection while easing wiring and maintenance. Designed for high-demand applications, it handles up to 2500 A at 480 V with 120 V control, aligning with large motors, switchgear, and panelboards to reduce risk and total cost of ownership.
Product Information
Extended Description
CB2533B120480PAXC Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (Taylor), BFD with no lights (trips switch),2500A,120V,Bottom feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480PAXC
UPC
782116952908
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), BFD with no lights (trips switch)
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533B120480PAXC
Selling Policy 25-000 - Distribution and Control Products and Services
High-current protection with 2500 A rating supports large motor loads in industrial power distribution, reducing the need for multiple devices and lowering panel size and wiring complexity while improving overall reliability and uptime. The capacitor trip device (Taylor) enables fast, coordinated trips, minimizing arc flash risk and unplanned downtime; this translates to safer maintenance windows and lower repair costs in mission-critical applications. Bottom-feed fuse configuration simplifies wiring and enclosure layout, saving installation time and reducing potential wiring errors during panel assembly. The unit’s NEMA 1, 3R, 4, 12 compatibility ensures robust enclosure protection across harsh environments, improving field performance in damp or dusty facilities. Optional Ground Fault Relay, Blown Fuse Detection, and Auxiliary/ Kirk provisions further enhance protection, signaling, and extendable control options for modern control schemes. This combination supports easier procurement, standardized maintenance, and predictable total cost of ownership in motor control centers and switchgear.
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FAQs
CB2533B120480PAXC is designed for bottom-feed wiring with a three-pole, three-wire configuration. It supports 480 V system voltage and 120 V control, making it suitable for large motor circuits and distribution panels. When wiring, ensure correct terminal routing for bottom feed, verify fusible protection, and plan for optional auxiliary contacts or ground-fault options as needed for your control scheme.
The unit incorporates a capacitor trip device (Taylor) that provides a charge-before-close mechanism, delivering a deliberate, rapid trip under fault conditions. This enhances protection accuracy for single-phase faults, reduces mis-trips, and improves overall system safety. It is particularly advantageous in applications with large motor loads where coordinated protection and short-trip timing matter.
Yes, CB2533B120480PAXC is UL Listed, underscoring safety and compliance for industrial use. It supports NEMA ratings including 1, 3R, 4, and 12, enabling reliable operation in a range of enclosure environments from indoor panels to protected outdoor installations. The combination of UL certification and NEMA compatibility simplifies procurement and field installation in motor control centers and switchgear.
The product is covered by Eaton’s policy referenced as Selling Policy 25-000. It provides one year of warranty from the date of installation or eighteen months from the date of shipment, whichever occurs first. This warranty supports coverage for manufacturing defects and qualifies for standard service terms and replacement options through Eaton or its distribution network.
Installing CB2533B120480PAXC yields improved uptime through robust single-phase protection and reliable capacitor-trip operation. Large-motor applications benefit from the 2500 A rating and 480 V system compatibility, reducing the need for additional protective devices. Optional features like ground-fault and blown-fuse detection lower maintenance costs and downtime, delivering a lower total cost of ownership in panelboards and motor control centers.