Eaton CB2533T120480KGR14 - Pringle Bolted Pressure Switch UL
Part Number: CB2533T120480KGR14
Quick Summary
Eaton pringle bolted pressure contact switch is designed for high-current motor control in industrial plants. Engineers often wrestle with protecting large loads in compact control panels while meeting fast-trip requirements; this device integrates a capacitor trip with ground-fault options to streamline protection and reduce nuisance trips. UL Listed certification and compatibility with NEMA enclosures 1, 3R, 4, and 12 provide robust safety and environmental protection. Top-feed wiring and a three-pole, three-wire design align with Eaton Switching Devices for turnkey protection in power distribution and machine controls. This combination supports quicker commissioning, easier maintenance, and scalable protection as plant needs evolve.
Product Information
Extended Description
CB2533T120480KGR14 Eaton: Eaton pringle bolted pressure contact switch,Interlock, Single-phase relay with capacitor trip device (SPVR),2500A,3NO-3NC,120V,Top feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120480KGR14
UPC
782116951925
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.
Contact configuration
3 NO-3 NC
Feed type
Top
Fuse configuration
Top 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
Interlock, Single-phase voltage relay with capacitor trip device (SPVR)
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2533T120480KGR14
Feature: 2500A amperage rating with 3NO-3NC contact configuration. Business impact: Enables direct high-current switching, reducing the need for auxiliary contactors and saving panel space. Application: Heavy-duty motor control and high-load switching in distribution boards. Feature: Control voltage 120V and system voltage 480V with fusible protection. Business impact: Simplifies integration with existing control circuits while delivering robust line-side protection; minimizes wiring complexity in retrofit projects. Application: Industrial machines and multi-voltage drives in process sectors. Feature: Ground fault option with control power transformer and SPVR interlock. Business impact: Enhances personnel safety and improves fault detection without separate protection modules. Application: Safety-critical interlock circuits and power distribution racks. Feature: Optional Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, auxiliary contact provisions. Business impact: Reduces downtime and maintenance expense by proactive fault indication and modular expansion. Application: Customizable protection schemes in panels and MCCs. Feature: Interlock, three-pole, top-feed configuration with three-wire design. Business impact: Streamlines installation, improves cable management, and supports compliant enclosure layouts. Application: New builds and retrofits in manufacturing lines and industrial automation setups. Overall, the CB2533T120480KGR14 is designed for reliability and ease of engineering integration, aligning with Eaton’s Switching Devices ecosystem and industry standards to deliver measurable uptime improvements and safer, compliant control architectures.
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FAQs
Yes. The CB2533T120480KGR14 is designed for top-feed wiring and three-pole operation, aligning with common Eaton panel architectures. Its 120 V control voltage and 480 V system rating simplify integration with standard MCCs and switchgear, while UL listing provides assurance during retrofit and new builds. Optional ground fault and auxiliary provisions support expansion without rework.
Key ratings include a 2500A amperage rating, 120 V control voltage, and 480 V system voltage with fusible protection. The 3NO-3NC contact configuration supports flexible wiring schemes, while ground-fault protection and capacitor-trip devices (SPVR) enhance safety and reliability in motor control circuits. These specs enable safe operation in high-current applications.
Industries with heavy motor loads and rigorous safety requirements benefit most, such as metals, plastics, and mining, as well as packaging and processing lines. Use cases include high-current disconnects, interlock circuits, and power distribution in switchgear cabinets. The device’s NEMA compatibility and UL listing simplify compliance in harsh industrial environments.
The CB2533T120480KGR14 is UL Listed, confirming safety and performance to applicable standards. It supports NEMA enclosure ratings 1, 3R, 4, and 12, ensuring suitability across indoor and washdown environments. Optional accessories like ground fault relays and auxiliary contacts help meet specific regulatory and site requirements.
By enabling high-current direct switching and optional integrated protection (ground-fault, SPVR), the unit reduces the number of components and panel space required, lowering installation time and ongoing maintenance. The UL listing and modular options also aid faster commissioning and predictable troubleshooting, contributing to lower downtime and improved ROI over the life of the line.