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ZT30 Series - Automatic Transfer Switch

A UL tested 30-cycle short time rated Automatic Transfer Switch that is utilized with Over Current Protective Devices (OCPD) to facilitate selective coordination. Call 1-800-352-3361 for assistance in selecting your switch.


General Electric Logo

General Electric ZT30 Series

Related Market:
Data Center, Telecom


ZT30 Series - Standard (Open), Delayed or Closed Transition

The GE Zenith ZT30 Automatic Transfer Switch is a UL tested 30-cycle short time rated ATS which utilizes Over Current Protective Devices (OCPD) to facilitate selective coordination. The GE ZT30 automatic transfer switch has an industry leading short time rating and best-in-class footprint which simplifies the selective design process and provides elite system design flexibility for future growth. The ZT30 supplies 100% rated power to loads after an over current event, which in turn helps to maximize the power distribution system reliability and uptime.

ZT30 Available in: Standard, Delayed, Closed Transition, and Bypass-Isolation Modes.

ZT30 Series Features and Benefits:

  • Reliability / Performance
    - Facilitates selective coordination design
    - Maximizes system uptime & reliability
    - Industry-leading short time rating (withstand & close-on)
  • Safety
    - Manual Quick Make/Quick Break operation
    - Manual operation with the door close
    - "Shutter System" - for bypass switches adds another of layer of protection during maintenance
  • Ease of Installation/Maintenance
    - 100% top or bottom cable entry
    - Interchangeable source cable terminations
    - Mechanical switch position indicator
    - Master terminal connection for customer control wiring
    - Cable bracing not required
  • Space Optimization/Flexibility
    - Best-in-class footprint
    - 3-pole & 4-pole in the same footprint
    - Field upgradeable from 3-pole to 4-pole
    - Simple field configurable voltage selection

ZT30 Series Specifications:

  • 30 Cycle Short Time -  UL1008 Listed, Tested and Labeled
  • UL 1008 7th edition standard
  • Transition Type: Standard, Delayed, Closed
  • Amperage Rating: 1000A to 3000A
  • Poles: 3 or 4 pole switching
  • Voltage: 600VAC max
  • Short Time Rating:
    - 85kA: 30 Cycle (0.5s)
    - 100kA: 3 cycle
  • Withstand and Close-on Rating:
    - 100kA: 3 Cycle
    - 200kA: with Current Limiting Fuse Class L
  • Transfer Time:
    - Standard (Open) Transition: ~ 30ms to 70ms
    - Delayed Transition: ~ 80ms (Customer Programmable Time Delay Setting)
    - Closed Transition: Less than 100ms parallel
  • Enclosure Types:  Open Style, NEMA 1, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12
  • Microprocessor Controller: MX250, MX350
  • Certifications: UL/cUL rated up to 600V at 50/60Hz, Seismic Qualified to IBC-2009 & IEEE 693-2005, OSHPD
  • Code Compliance: NFPA 70, 99, 101, 110; IEEE 446, 241, 602; NEMA ICS 10, CC1 (lug)
  • Enclosure Compliance: UL 50, UL 508, NEMA 250


General Electric Logo

General Electric ZB30 Bypass Isolation Series

Related Market:
Data Center, Telecom


ZB30 Series - Bypass Isolation (Standard, Delayed or Closed)

The GE Zenith ZB30 Automatic Transfer Switch is a UL tested 30-cycle short time rated ATS which utilizes Over Current Protective Devices (OCPD) to facilitate selective coordination. The GE ZB30 automatic transfer switch has an industry leading short time rating and best-in-class footprint which simplifies the selective design process and provides elite system design flexibility for future growth. The ZB30 supplies 100% rated power to loads after an over current event, which in turn helps to maximize the power distribution system reliability and uptime.

The bypass uses normal failure sensing and a time delay to start the engine automatically if a failure occurs when the ATS has been removed for service, which can be done without disturbing the load.

ZB30 Series Features and Benefits:

  • Reliability / Performance
    - Facilitates selective coordination design
    - Maximizes system uptime & reliability
    - Industry-leading short time rating (withstand & close-on)
  • Safety
    - Manual Quick Make/Quick Break operation (Standard and Delayed Transition)
    - Manual operation with the door close
    - "Shutter System" - for bypass switches adds another of layer of protection during maintenance
  • Ease of Installation/Maintenance
    - 100% top or bottom cable entry
    - Interchangeable source cable terminations
    - Mechanical switch position indicator
    - Master terminal connection for customer control wiring
    - Cable bracing not required
  • Space Optimization/Flexibility
    - Best-in-class footprint
    - 3-pole & 4-pole in the same footprint
    - Field upgradeable from 3-pole to 4-pole
    - Simple field configurable voltage selection

ZB30 Series Specifications:

  • 30 Cycle Short Time - UL1008 Listed, Tested and Labeled
  • Transition Type: Standard, Delayed, Closed
  • Amperage Rating: 1000A to 3000A
  • Poles: 3 or 4 pole switching
  • Voltage: 600VAC max
  • Short Time Rating:
    - 85kA: 30 Cycle (0.5s)
    - 100kA: 3 cycle
  • Withstand and Close-on Rating:
    - 100kA: 3 Cycle
    - 200kA: with Current Limiting Fuse Class L
  • Transfer Time:
    - Standard (Open) Transition: ~ 30ms to 70ms
    - Delayed Transition: ~ 80ms (Customer Programmable Time Delay Setting)
    - Closed Transition: Less than 100ms parallel
  • Enclosure Types: Open Style, NEMA 1, NEMA 3R, NEMA 4, NEMA 4X, NEMA 12
  • Microprocessor Controller: MX250, MX350
  • Certifications: UL/cUL rated up to 600V at 50/60Hz, Seismic Qualified to IBC-2009 & IEEE 693-2005, OSHPD
  • Code Compliance: NFPA 70, 99, 101, 110; IEEE 446, 241, 602: NEMA ICS 10, CC1 (lug)
  • Enclosure Compliance: UL 50, UL 508, NEMA 250

For help selecting the right automatic transfer switch for your space
contact power@rackmountsolutions.net or call (800) 352-6631