Eaton CB2533T120480CT Pringle Bolted Switch - UL Listed
Part Number: CB2533T120480CT
Quick Summary
Eaton CB2533T120480CT bolted pressure contact switch provides high-current protection for industrial switchgear applications. This robust device helps engineers simplify main feeder and motor control center installations while reducing nuisance trips. It carries UL Listed status and good NEMA 1, 3R, 4, 12 ratings, ensuring suitability across indoor enclosures and harsh environments. With a built-in control power transformer, top-feed configuration, and fusible protection, it delivers reliable coordination and fast fault isolation. The result is safer panels, easier maintenance, and lower lifecycle costs for plants, OEMs, and service teams seeking dependable, scalable protection in heavy-duty applications.
Product Information
Extended Description
CB2533T120480CT Eaton: Eaton pringle bolted pressure contact switch,With control power transformer,2500A,120V,Top feed,No ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480CT
UPC
782116952403
Product Length/Depth
17 in
Product Height
28 in
Product Width
28 in
Product Weight
205 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
Top
Fuse configuration
Top 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
With control power transformer
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480CT
Feature → Business Impact → Application: 2500A amperage rating enables handling large feeder currents, reducing the need for parallel devices and improving protection coordination in switchgear assemblies. This translates to improved uptime and safer maintenance in manufacturing plants and data centers. Feature → Application: 480V system voltage supports standard industrial power distributions, enabling plug-and-play integration with existing electrical architecture and enabling faster deployment in new lines. Feature → Application: Top feed fuse configuration simplifies wiring and reduces terminal density in compact switchgear spaces, improving installation speed and fault clarity in motor control centers. Feature → Application: Built-in control power transformer streamlines control circuit integration, lowering BOM costs and speeding commissioning for panel builders. Feature → Application: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk and Auxiliary Contact Provisions offer tailored protection schemes for critical processes, boosting compliance and reducing maintenance surprises. Feature → Application: Three-pole, 3-wire design ensures consistent trip logic and predictable coordination in large, multi-pole switchgear, supporting scalable plant expansion and easier retrofits.
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FAQs
The CB2533T120480CT fits standard industrial switchgear requiring three-pole operation, top-feed configuration, and fusible protection at 480 V system voltage with a 120 V control circuit. Confirm enclosure NEMA rating compatibility (UL Listed supported options include NEMA 1, 3R, 4, 12) and verify available space for a 17 in x 28 in x 28 in device weighing 205 lb. Also ensure the control transformer meets your control-circuit requirements.
This model is UL Listed for electrical safety. It also supports multiple NEMA enclosure ratings including NEMA 1, NEMA 3R, NEMA 4, and NEMA 12, which broadens its applicability across indoor and outdoor or harsh environments. These certifications help meet regulatory compliance and safety standards for industrial switchgear.
Optional features include Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk provisions, and Auxiliary Contact Provisions. These options allow you to tailor protection schemes to critical loads, improve fault diagnostics, and enhance system coordination within complex switchgear or motor control centers.
The device measures 17 in in depth, 28 in height, and 28 in width, weighing about 205 lb. It uses a top feed/fuse configuration with three poles and three wires. Ensure mounting clearances and enclosure openings accommodate the unit, and plan wire routing to leverage the top-feed design for simplified installation and service access.
Eaton provides a warranty under policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. For maintenance, rely on Eaton’s technical support and the availability of optional provisions to sustain uptime and coordinate with ongoing facility service programs.