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Automatic Transfer Switches Critical Power Products Introduction

Section 14

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 like the ZTE Series, incorporates the most advanced microprocessor controller in the industry as well as the same advanced 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. 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 ZBTED Bypass/Isolation transfer switch is used to transfer large motor loads, transformers, uninterruptible power supplies (UPS) systems or load shedding to a neutral "center" position. ZBTECT - Closed Transition Bypass/Isolation. The ZBTECT Bypass/Isolation transfer switch is used to transfer critical loads where a "no break" transfer is desired. ZT30 Series - The Zenith ZT30 is a UL tested 30-cycle short-time rated Automatic Transfer Switch that is utilized to facilitate selec- tive coordination via upstream Over Current Protective Device. The ZT30’s industry leading short-time rating and best-in-class footprint greatly simplifies the selective coordination design process and provides the utmost in system design flexibility for future system growth. The ZT30 supplies 100% rated power to loads after an overcurrent event, helping to maximizing power distribution system reliability and uptime. The ZT30 is available in standard, delayed and closed transition modes as well as in bypass-isolation.

Rev. 1/19 Data subject to change without notice

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