ZTE-Healthcare Critical
Momentary loss of electric power to mission critical loads can endanger life, cause severe financial losses, or both. Todays 7×24 service centers, data warehouses and critical healthcare facilities demand more than just continuity of power. The quality of power delivered to the load, the effectiveness of periodic system testing and the ability to diagnose outages and disturbances in the electrical system are issues that have serious implications for critical facilities.
Poor power quality damages equipment and increases maintenance costs. Inherent power problems stay hidden when testing is ineffective or incomplete. Going beyond source switching and addressing the issues of complete power quality requires a whole new level of ATS capability.
ZTE – Standard (Open) Transition
The GE Zenith ZTE standard (open) transition transfer switches
go beyond just source switching. Integral metering and communications, high-level diagnostics and superlative flexibility make the ZTE a perfect solution for today’s mission critical source switching.
ZTED – Delayed Transition
The ZTED – Delayed Transition transfer switch offers the same features as the ZTE with the addition of an adjustable time delay in the centered “off” position. This delay allows motor loads to coast down and transformer field to decay; ensuring inductive loads are re-energized after transfer with only normal inrush starting currents.
ZTECT – Closed Transition
The ZTED – Delayed Transition transfer switch offers the same features as the ZTE with the addition of GE Zenith Controls’ high-speed drive system, which ensures the overlap of the normal and alternate sources is less than 100 milliseconds. When one source is not within normal limits, such as during a power outage, the ZTECT automatically operates in delayed transition mode.
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In mission critical, process critical, and healthcare critical applications, power cannot be interrupted to perform maintenance of automatic transfer switches. In such circumstances, a bypass/isolation switch is essential and is often required by code.
Zenith ZBTE Series Bypass-Isolation Transfer Switches are the solution when interruption of power during service or testing is not acceptable.
Consisting of two major modules-the Automatic Transfer (ATS) and the Bypass/Isolation Switch-the ZBTE Series incorporates the rugged construction of all our ZTE Series automatic switches with a quick make/quick break bypass switch manual load transfer handle and our control/interlock system, which consists of both mechanical and electrical interlocks.
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.
Poor power quality damages equipment and increases maintenance costs. Inherent power problems stay hidden when testing is ineffective or incomplete. Going beyond source switching and addressing the issues of complete power quality requires a whole new level of ATS capability.
ZBTE – Standard (Open) Transition Bypass/Isolation
The Zenith ZBTE Bypass/Isolation transfer switch is used in general and mixed load applications.
ZBTSE – Delayed Transition Bypass/Isolation
The Zenith ZBTED Bypass/Isolation transfer switch is used to transfer of large motor loads, transformers, uninterruptible power supplies (UPS) systems or load shedding to a neutral “center” position.
ZBTECT – Closed Transition Bypass/Isolation
The Zenith ZBTECT Bypass/Isolation transfer switch is used to transfer critical loads where a “no break” transfer is desired with this switch 100msec parallel capability.
Robust switching mechanisms
Suitable for emergency and standby applications on all classes of load, 100% tungsten rated through 400 amps
Durable, long-life solenoid operated mechanism
GE-engineered and manufactured contacts and arc quenching components
UL/IEC 3-cycle (unconditional) short circuit withstand & close ratings
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