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ZTG Series - Automatic Transfer Switch

Rugged construction and flexible configurations for large commercial and industrial applications. Available from 40-3000A and 120-600V. Call 1-800-352-3361 for assistance in selecting your transfer switch.

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General Electric ZTG Series

Related Market: General Purpose

ZTG Series - Standard (Open) or Delayed Transition

The Zenith ZTG Series of transfer switches are designed for general purpose commercial and industrial applications where dependability and ease of operation are required. The ZTG Series provides an intuitive user interface, communications capability and self diagnostics. Available in a full range of amps, volts and pole configurations.

ZTG Series Features and Benefits:

  • Close differential under-voltage sensing of the normal source
  • Voltage and frequency sensing of the emergency source
  • Test switch (fast test/load/no load) to simulate normal source failure - automatically bypassed should the emergency source fail
  • Double throw, interlocked operation
  • Electrically operated, mechanically held by a simple, over-center mechanism
  • Segmented silver tungsten alloy contacts with separate arcing contacts on 600 amps and above
  • Arc quenching grids, enclosed arc chambers and wide contact air gap for superior source-to-source isolation on all units
  • Control circuit disconnect plug and drive inhibit switch for safe maintenance
  • Components accessible for inspection and maintenance without removal of the switch or the power conductors
  • Mechanical indicator and contact chamber cover designed for inspection, safety and position designation
  • Offering a Warranty Period of twenty-four (24) months or two years from the date of shipment

ZTG Series Specifications:

ZTG Series Scope:

  • Ratings 40 to 3000 amperes
  • 120 - 600 Volts
  • 50 or 60 Hz
  • 2, 3 or 4 poles
  • Double throw, mechanically interlocked contactor mechanism
  • Suitable for emergency and standby applications
  • Open type, NEMA 1, 3R, 4, 4X and 12 enclosures

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General Electric ZTG Service Entranced Rated Series

Related Market: General Purpose

ZTG Series - Service Entranced Rated

The Zenith ZTGSE and ZTGDSE Service Entrance Rated automatic transfer switches integrate a utility main disconnect, optional surge protective device (SPD) and power monitoring into one compact coordinated package. These units provide greater protection for criticial loads, protecting against outages and transient voltage disturbances.

As a general purpose automatic transfer switch, this unit delivers peace of mind to facility managers and business owners in a wide range of industries including: retail, agricultural, manufacturing, communications and service businesses.

ZTG Series Service Entraced Rated Features and Benefits:

  • Double throw, mechanically interlocked contactor mechanism.
  • Electrically operated, mechanically held.
  • Additional options include battery charger, GFP, shunt trip selector, power monitor and SPD surge protection.

ZTG Series Service Entraced Rated Specifications:

  • Meets NEC requirements for use as Service Entrance Equipment.
  • Fully Approved for UL891, UL1008, UL 1449 (with SPD feature).

ZTG Series Service Entraced Rated Scope:

  • Ratings 40 to 3000 amps (2, 3 or 4 poles).
  • Designed for emergency and standby applications.
  • 120 to 600 VAC
  • 50 or 60 Hz
  • NEMA 1 and 3R enclosures

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