Eaton CB2533B120208E Bolted Pressure Contact Switch - UL Listed

Part Number: CB2533B120208E
Eaton logo
Manufacturer
Eaton
Part number
CB2533B120208E

Quick Summary

Eaton CB2533B120208E bolted pressure contact switch delivers high-current control for industrial power distribution and safety interlocks. In demanding environments, misalignment, arcing, or mismatched control voltages can trigger unexpected downtime and safety concerns. This unit carries UL Listed certification, with a fusible design and arc-energy reduction features to help meet safety and reliability standards. For procurement teams and engineering leads, the 2500 A amperage rating, 120 V control voltage, and 208 V main supply simplify panel design. The included Arc Energy Reduction Relay and matched current transformers support safer operation, easier compliance, and reduced commissioning time in switchgear assemblies.

Product Information

Extended Description

CB2533B120208E Eaton: Eaton pringle bolted pressure contact switch, With control power transformer, 2500 A, 120 V, Bottom feed, 208 V, 3 pole, Three-wire, Fusible. Includes Arc Energy Reduction Relay and matched CT's
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2533B120208E
UPC
786689877521
Product Length/Depth
16 in
Product Height
28 in
Product Width
24 in
Product Weight
175 lb
Certifications
UL Listed
Feed type
Bottom
Fuse configuration
Bottom 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: 2500 A amperage rating enables reliable switching of demanding loads in large motors and feeders, reducing the risk of nuisance trips and downtime; this translates to improved plant productivity and lower maintenance costs in process and manufacturing lines. Feature → 208 V main voltage with 120 V control voltage simplifies integration with common industrial power and control systems, enabling seamless retrofits and consistent control logic across panels and MCCs. Feature → Bottom feed and bottom fuse configuration improves wiring manageability inside compact enclosures, speeding installation and simplifying fault isolation in switchgear and panel assemblies. Feature → Three-pole, three-wire design ensures proper phase control for three-phase circuits, enhancing protection coordination and minimizing bus-bar stress in power distribution. Feature → Arc Energy Reduction Relay and matched CTs reduce arcing energy, extend contact life, and improve operator safety during make/break cycles, supporting compliance with arc-safety best practices in high-current applications. Feature → UL Listed certification provides clear safety validation, helping procurement and engineering teams meet regulatory and internal standards without exhaustive testing. Feature → Included components and compatibility with standard switchgear workflows reduce customization needs, shortening project timelines and lowering total cost of ownership over the equipment lifecycle.

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FAQs

This unit is designed for high-current power switching in switchgear and main distribution panels. Its bottom-feed arrangement and fusible configuration simplify wiring layouts inside enclosures, support straightforward fault isolation, and align with common 3-phase distribution practices in industrial settings.
The Arc Energy Reduction Relay lowers arcing energy during contact transitions, protecting contacts from premature wear and reducing thermal stress. This extends contact life, improves safety for operators, and helps maintain consistent operation in high-current switching applications such as motor starters and feeder disconnects.
Yes. The switch is specified for 208 V main voltage and 120 V control voltage, which is a common pairing in industrial power distribution. This compatibility simplifies panel design, reduces interface issues, and supports reliable control of large loads without needing separate transformation steps.
Plan for periodic inspection of fusible links and associated CTs, verify arc-energy protection is functional, and confirm UL-listed safety standards are maintained. Since the unit includes an Arc Energy Reduction Relay and matched CTs, ensure these accessories remain synchronized with system load requirements to preserve protection coordination.
Expect lower downtime due to enhanced reliability from higher current handling and arc-energy protection, reduced maintenance costs due to longer contact life, and simplified procurement from UL-listed compliance. The combined 2500 A rating, integrated relay, and CTs shorten installation timelines and improve overall safety in power distribution assemblies.