Eaton CB2533B120480GAX5 Pringle bolted switch - UL Listed
Part Number: CB2533B120480GAX5
Quick Summary
Eaton CB2533B120480GAX5 is a bolted pressure contact switch designed for high-current protection in industrial power distribution. Engineers often struggle with reliable trip timing and fault detection when protecting large feeders and motors in harsh environments. This unit carries UL Listed certification and is compatible with NEMA-rated enclosures, specifically NEMA 1, 3R, 4, and 12, supporting safe operation across diverse facilities. With a 2500 A rating and bottom-feed configuration, it streamlines installation while reducing wiring complexity. Optional ground fault relay, blown fuse detection, and auxiliary contact provisions expand control flexibility for modern automation architectures.
Product Information
Extended Description
CB2533B120480GAX5 Eaton: Eaton pringle bolted pressure contact switch,BFD with no lights (trips switch),2500A,1NO-1NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120480GAX5
UPC
782116952809
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.
Contact configuration
1 NO-1 NC
Feed type
Bottom
Fuse configuration
Bottom 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
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
BFD with no 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 - CB2533B120480GAX5
High-current capability directly translates to fewer parallel devices and lower installation complexity, reducing total cost of ownership while maintaining robust protection for large feeders and motors. The three-pole, 1NO-1NC configuration with bottom feed simplifies wiring and panel layout, accelerating commissioning and improving reliability in tight switchgear spaces. Fusible protection integrated with the switch eliminates the need for separate fuse blocks, delivering faster fault isolation and simplified maintenance planning. Ground fault protection with a control power transformer enhances safety and fault detection in sensitive circuits, aligning with stringent plant safety standards. UL Listed certification and broad NEMA compatibilityprovide compliance assurance across diverse plant environments, enabling smoother procurement and installation in regulated facilities. Optional features such as Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, and Auxiliary Contacts expand integration with modern automation architectures and retrofit projects. In practice, this means improved uptime, safer operation, and predictable performance in industrial organizations that rely on dependable, code-compliant protection devices.
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FAQs
CB2533B120480GAX5 features bottom feed and a three-pole configuration with 1NO-1NC contacts, simplifying wiring in compact switchgear. It is designed for installation on compatible panels and enclosures, with 480 V system voltage and 120 V control voltage. The footprint supports straightforward wiring schemes, and the unit’s 17 in depth, 28 in width, and 32 in height aid in enclosure planning.
This switch is rated for 2500 A with a 480 V system voltage and 120 V control voltage. It provides fusible protection and three-pole operation with 1NO-1NC contacts, enabling reliable switching and fault isolation. It is UL Listed and compatible with NEMA 1, 3R, 4, and 12 enclosures, supporting broad installation scenarios in industrial environments.
Yes. With a 2500 A rating and fusible protection, this switch is well-suited for high-current feeders and motor circuits. Its bottom-feed configuration and 480 V system voltage support efficient integration into large switchgear. Optional features such as ground fault relay and auxiliary contacts further enhance control and protection coordination in motor protection schemes.
CB2533B120480GAX5 carries UL Listed certification, signaling conformance with recognized safety standards. The unit is compatible with multiple enclosure ratings (NEMA 1, 3R, 4, 12), which supports regulatory compliance and safer installations across different facility environments. Optional features and Kirk/auxiliary provisions extend compatibility with modern control architectures.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Regular maintenance should focus on verifying fuse integrity, contact condition, and connector torque. The optional features (ground fault relay, auxiliary contacts) can reduce maintenance overhead by enabling automated fault detection and simplified diagnostics.