Eaton CB2533T120208E7 Bolted Pressure Contact Switch - UL Listed
Part Number: CB2533T120208E7
Quick Summary
Bolted pressure contact switch CB2533T120208E7 enables high-current protection for industrial switchgear and motor control centers. Engineers often struggle with arc energy, transformer integration, and top-feed configurations that complicate safe, reliable protection. This Eaton device carries UL Listed certification to support electrical safety and compliance, while its built-in control transformer capability and matched CTs simplify integration in complex panels. By combining a 2500 A rating with a 120 V control voltage and 208 V operating voltage, it delivers robust protection without sacrificing installation flexibility, enabling safer maintenance windows and reduced risk during fault conditions. In practice, you gain greater system reliability, faster fault isolation, and improved lifecycle cost when deploying this compact, field-ready solution in high-power environments.
Product Information
Extended Description
CB2533T120208E7 Eaton: Eaton pringle bolted pressure contact switch, With control power transformer, 2500 A, 120 V, Top feed, 208 V, 3 pole, 3W, Fusible. Includes Arc Energy Reduction Relay and matched CT's
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533T120208E7
UPC
786689877538
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 lb
Certifications
UL Listed
Feed type
Top
Fuse configuration
Top feed
Number Of Poles
Three-pole
Number of wires
Three-wire
Amperage Rating
2500A
Control voltage
120 V
Protection
FUSIBLE
Voltage rating
208 V
Feature → Business Impact → Application: The CB2533T120208E7 delivers a 2500 A amperage rating, enabling dependable high-current protection for large electrical feeders and switchgear assemblies. This translates to reduced thermal stress, fewer nuisance trips, and improved uptime in data centers, manufacturing lines, and utility-scale facilities. Application: ideal for power distribution bus sections and motor control centers where steady, safe interrupt capability is critical. Feature → Business Impact → Application: Top feed fuse configuration simplifies wiring in tight pull spaces and aligns with common top-entry switchgear designs, reducing installation time and errors. Application: suitable for retrofit projects in existing panels where space and accessibility drive faster commissioning. Feature → Business Impact → Application: Includes Arc Energy Reduction Relay and matched CTs, which dramatically lowers arc flash energy during operation and fault events. Application: enhances safety programs in plants handling large motors and high-inertia loads. Feature → Business Impact → Application: 3-pole, three-wire arrangement with a top feed supports straightforward integration with three-phase systems, improving coordination with downstream protection schemes. Application: optimizes protective relays, control circuits, and transformer-based control power across industrial sites. Feature → Business Impact → Application: UL Listed certification provides immediate compliance confidence for electrical project documentation and contractor acceptance. Application: foundational for audits, safety programs, and supplier qualification in highly regulated environments. The unit’s 16 in length, 28 in height, and 24 in width, combined with a 175 lb weight, signal sturdy, field-proven construction appropriate for demanding installations and serviceability in rugged industrial settings.
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FAQs
CB2533T120208E7 is designed for top-feed panels and ships with matched CTs for streamlined compatibility with Eaton protection schemes. Ensure the panel supports three-pole, three-wire configurations and that the control power transformer is sized to supply 120 V control without impacting line-side protection. The Arc Energy Reduction Relay should be wired per Eaton guidelines to maximize safety and performance.
Key specs include a 2500 A amperage rating, 120 V control voltage, 208 V voltage rating, three poles, three-wire configuration, and fusible protection. The unit also integrates an Arc Energy Reduction Relay and matched CTs to optimize arc energy control and fault signaling within high-current applications.
Yes. The device includes an Arc Energy Reduction Relay designed to minimize energy released during arcing events. This feature, combined with matched CTs and proper wiring, reduces incident energy, enhancing personnel safety and enabling safer maintenance practices in switchgear and motor control centers.
Industries with high-current distribution needs benefit most, including data centers, manufacturing facilities, and utility substations. Applications include large power feeders in switchgear, motor control centers, and other high-inertia load environments where reliable protection, safe fault clearing, and transformer-powered control are essential.
Maintenance should focus on verifying conductor connections, CT wiring integrity, and transformer power availability. Compliance revolves around UL Listed certification and adherence to Eaton installation instructions, arc-energy mitigation practices, and periodic inspection of fusible elements and switch operation within the panel assembly.