Solid-state relays
July 2009
Operator Interfaces, Switches & Relays
Wattcor ultra-reliable solid-state switches for power up to 600 A.
The compact Gefran Wattcor W211/212 line (high power SSRs) offers reliable switching of large resistive loads and has low heat dissipation. As an alternative to thyristor and contactor switching devices the Wattcor SSRs offer a number of advantages that have made these units popular:
* Designed without any moving parts they may be used in dusty and rough environments where contactors could suffer from reduced operating life.
* Robust, durable reliable performance.
* Electronic overload protection up to 13 times nominal current.
* Load failure detection.
* Short circuit or current failure detection.
* Available in high current ratings as well as high switching voltage.
* Compact space saving construction.
* Alarm relay output for fault conditions.
Unitemp supplies a wide range of products including controllers, SSRs, sensors, transducers and indicators.
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