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Switches and disconnects

Enclosed circuit breakers

Eaton's enclosed circuit breakers offer all the advantages and accessories of a circuit breaker packaged in an enclosure for nearly any application requiring a means of disconnect. Available in standard, advanced Power Xpert model with Arcflash Reduction Maintenance System (ARMS) and NRX with remote open and close capability.

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Explore ECB configuration options
Rated Maximum Voltage
600 Vac
Current Ratings
15 – 1200 A
Features
Full range of NEMA rated enclosures
NEC 240.87 compliant enclosed breakers with ARMS available
 

Enclosed circuit breaker configuration options:

eaton-switching-devices-standard-001.jpg

Standard

  • Padlockable in the off position (LOTO)
  • Custom paint, 316-stainless enclosures, lock-on provisions and other custom features available through our Flex Center
  • Available in NEMA Type 1, 3R, 12, 4, 4X enclosures
eaton-switching-dev-power-xpert-front-view.png

Power Xpert

All listed features of Standard model plus:

  • Arcflash Reduction Maintenance System (ARMS) with maintenance mode cover control/NEC 240.87 compliant 
  • Advanced trip units support integrated communications, metering and breaker health diagnostics
  • Optional factory-integrated 200 kA surge protection device (SPD)
  • Available in NEMA Type 1, 3R, 12, 4, 4X enclosures
Enclosed circuit breakers NRX

NRX (PD-NF)

All listed features of Power Xpert model plus:
  • Remote open/close capability
  • Window in door over electronic trip unit
  • Wall mount and deadfront with outer door
  • Available in NEMA Type 1 and 3R enclosures

        Benefits of Arcflash Reduction Maintenance System

        Arcflash Reduction Maintenance System (ARMS) technology can improve safety by providing a simple and reliable method to reduce fault clearing time. This feature is activated during maintenance and can help reduce levels of required personal protection equipment (PPE) to enhance worker comfort, mobility and productivity.
        Download ARMS brochure

        Marina ground fault protection

        Eaton's 30 mA marina ground fault enclosed circuit breaker provides protection for personnel and equipment around marinas and boatyards to minimize the risk of electric shock drowning.

        Download brochure

        Customize your switching devices

        Anytime you need non-standard or niche safety switch solutions, our experienced team of industry experts will collaborate with you so we can push boundaries together to redefine what's possible.
        Discover Switching Devices Flex Center

        Advancing personnel and equipment protection with safety switches

        The eveolution of safety switch technology and a growing emphasis on personnel protection.

        Read white paper

        Download guide specification (26 28.11)

        Learn more about power system design basics

        Read technical data

        Related products

        Specifications

        View consulting application guide

        Download guide specification (26 28.11)

        Learn more about power system design basics

        Ratings

        RATED MAXIMUM VOLTAGE

        600 VAC (Standard)
        600 VAC (ARMS)

        CONTINUOUS CURRENT

        55 A – 1200 A (Standard)
        55 A – 1200 A (ARMS)

        INTERRUPTING RATING

        65 kAIC max at 480 VAC (Standard)
        65 kAIC max at 480 VAC (ARMS)

        Standards

        NEMA

        N/A

        THIRD-PARTY APPROVAL/RECOGNITION

        UL 489 / CSA 22.2 #5-02 (Standard)
        UL/cUL 489 (ARMS)

        SEISMIC QUALIFICATION

        N/A

        Devices

        PROTECTION DEVICES

        Thermal Magnetic, or electronic trip (Standard)
        Electronic trip unit, arcflash reduction maintenance system (ARMS)

        DEVICE MOUNTING

        Wall mount (Standard)
        Wall mount (ARMS)

        Enclosures

        ACCESS

        Top or bottom feed

        ENCLOSURE TYPE

        NEMA type 1, 3R, 12, 4, 4X stainless steel (for 80% and 100% rated devices)

        STANDARD INDOOR WIDTH DIMENSIONS*

        Varies based on product amperage

        STANDARD INDOOR DEPTH DIMENSIONS*

        Varies based on product amperage

        STANDARD INDOOR HEIGHT DIMENSIONS*

        Varies based on product amperage

        Download Links
        • Switching Devices
          Volume 2, Tab 1: This catalog contains product details and cross-reference for switching devices.
          (PDF 9 MB , 01/09/2026)
          Download
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