The Mackwell PRIMIAN-1 S4CHE is an emergency inverter for use with T5 lamps with wattages between 18 and 58w. It is fitted with a 5 pole relays to swich all four lamp connections from ballast to inverter and switch of the power to the ballast during emergency lighting testing. The modules can therefore be safely connected to a circuting with an electronic HF ballast and provide complete isolation to the control gear. This inverter should be used with a 4 cell battery pack.
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