Emerson Liebert STS2 Brochure & Specs Download | Manualshive

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AC Power

For

Business-Critical Continuity

™

Liebert

®

STS2 Static Transfer Switch2

The Cornerstone of High-Availability Power Systems

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Summary of Contents for Liebert STS2

Page 1: ...AC Power For Business Critical Continuity Liebert STS2 Static Transfer Switch2 The Cornerstone of High Availability Power Systems ...

Page 2: ...low maintenance service or full replacement without disrupting the critical load Flexibility Internal CANBUS protocol high bandwidth communication between system components via twisted pair cables Options can be added as simple network nodes Dual lug installation bus with pem nuts for single hand installation and hot torque service Low Total Cost Of Ownership Conservative design margins and excell...

Page 3: ...t without shutting down the connected load For units up to 600 amps the entire power and control module can be removed as an assembly A separate compartment for option modules provides safe and convenient field access Source 1 Source 2 System Output CB1 CB3 CB4 CB2 CB5 K1 K2 K2 K3 K1 K3 True Internal Redundancy The Liebert STS2 has triple redundant logic Each DSP controller is capable of working i...

Page 4: ...switching is lower cost These savings are the result of only one power distribution unit a lower current due to 480V vs 208V and lower installation and wiring cost thanks to use of smaller three wire cable The one drawback of this configuration is the creation of transformer inrush saturation current each time switching occurs The downstream transformer can cause large peak saturation current duri...

Page 5: ...r critical loads Liebert s optimized STS2 eliminates the risk of transformer saturation problems during automatic transfers while its algorithm control ensures minimum voltage disturbance during transfers while still balancing the flux Figure 2 Optimized STS transfer The patented Liebert static switch optimized transfer control algorithm eliminates the downstream transformer inrush saturation The ...

Page 6: ...utput Breaker An output plug in non automatic circuit breaker provides redundancy in the output power path The breaker is connected in parallel with the output plug in non automatic circuit breaker Input Junction Boxes and Cable Up to 600A The input junction box option is available to simplify input connections to the STS2 Two input junction boxes and the associated flexible 10 foot long input cab...

Page 7: ...hat equipment s operating status at any given time For customers who need to have these vital protection systems continuously monitored but don t want to do it themselves Emerson Network Power Service offers Remote Monitoring Service This seamless rapid response system is designed to maximize the capabilities of your Liebert equipment by maximizing the effectiveness of its monitoring capabilities ...

Page 8: ...omissions 2006 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice All names referred to are trademarks or registered trademarks of their respective owners Liebert and the Liebert logo are registered trademarks of the Liebert Corporation SL 20600 R03 08 Printed in USA Ensuring The High Availability Of Mission Critical Data And Applications H...

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