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GE Zenith - ZTX Series Transfer Switches - Light Duty Residential & Commercial - Automatic & Manual, Enclosed & Open, Indoor & Outdoor
Zenith is of the world leaders in emergency and standby power transfer solutions, Zenith keeps your power on. Zenith is committed to providing a full range of quality-driven products, backed by nationwide 24-hour service and support.
This series of automatic transfer switches is designed for residential and light commercial critical/non-life safety applications requiring dependability and ease of operation. These switches combine reliability and flexibility in a small, economical package. ZTX switches work together with any remote-start generator that use two-wire control, allowing the standby power system to be fully automatic.
The transfer switch monitors utility and generator power. When utility power fails or is unsatisfactory, the control starts the generator set and transfers the load to the generator set as soon as the generator reaches speed and voltage. When utility power is restored the transfer switch automatically transfers back to utility power, shutting down the generator and instantly resetting itself for the next power interruption. No action is required by the owner.
We recommend ZTX switches when purchasing any packaged standby generator systems. If you require optional features such as auxiliary contacts, extra power poles to switch neutral, special enclosures or communications features, we recommend that you purchase a Zenith industrial class of switch. See Zenith (GE), ZTG Residential, Commercial & Industrial Transfer Switches, Automatic & Manual, Enclosed & Open or Zenith (GE), ZTS Industrial Automatic Transfer Switches, Service Entrance. Prices and the most common accessories are online.
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GE Zenith’s ZTX Series Automatic Transfer Switches are designed for standby applications.
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Standard models in stock, dropped shipped to your location. FREE SHIPPING when purchased with a generator!
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Sizes include 40 to 400 amps in a compact design with 2, 3 or 4 pole configurations.
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Available 120/240 VAC, 120/208 VAC, 277/480 VAC and other voltage configurations. See Factory Brochure under Additional Information.
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Switch is true double throw, mechanically interlocked and mechanically held, electrically operated utilizing a reliable, field-proven single solenoid operator.
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Switch mechanism absolutely prohibits connecting both sources together. Cannot be over-ridden.
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Available in Utility to Generator application configurations only.
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Available in NEMA Type 1 (indoor), 3R (outdoor) enclosures and open (back-panel mounted) configurations.
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NEMA 1 size 40 to 225 Amps 18" W X 24"H X 10" D, 67 lbs - 300 to 400 Amps 24" X W 46" H X 14" D, 82 lbs
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NEMA 3R size 40 to 225 Amps 18.5" W X 24"H X 10" D, 67 lbs - 300 to 400 Amps 24" X W 46" H X 15" D, 82 lbs
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GE Zenith’s ZTX switches are equipped with the MX60 control panel. This microprocessor control includes:
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Under-voltage sensing (90% pickup, 80% dropout) of Source 1 (normal).
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Voltage and frequency sensing of Source 2 (emergency), (90% voltage, 95% frequency pickup).
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Time Delay Engine Start (P) - 5 seconds
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Time Delay Engine Warm-up (W) - Transfer to Emergency (Source 2) - 20 seconds
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Time Delay Utility Stabilization/Retransfer to Utility (Source 1) (T) - 5 minutes
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Time Delay Engine Cool Down (U) - 5 minutes
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Generator exerciser timer built-in. 7, 14, 21 or 28 day adjustable time setting. Factory set at 28 days. Exercises Source 2 with or without load.
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Switches f eature contacts that are easily accessible for easy inspection and preventive maintenance.
Rated for standby applications and intended for use only in optional (non-critical) standby systems in accordance with the National Electrical Code. NEC/NFPA 70, Article 702.
Not intended for emergency or life-support systems.
Qualified and listed to
UL 1008, CSA 22.2 and IEC, 480 VAC 50/60 Hz for
automatic transfer equipment standards.
For technical data, dimensions, features, remote controls, monitoring, warranty and other information. See Additional Information below.
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Sequence of Operation of A Transfer Switch |
| When utility power fails for just 3 seconds or more, the ZTX switch signals the generator to start. |
| In less than 30 seconds your electrical power is restored and life returns to normal. |
| Once the ZTX switch senses utility power has reached an acceptable voltage level for a period of time, it automatically reconnects your home or business to commercial power. |
| It then smoothly shuts the generator down after a one minute cool down period to extend generator life. |
| The ZTX switch automatically performs a test to simulate utility power failure every 14 days. |
| The user-friendly control panel also allows you to manually run a test at the push of a button. |
| LED indicators let you know the availability of both power sources and transfer switch positions. |
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