Obsolete replaced by
Mackwell CERIAN SR666/M3 is an emergency inverter for use with 70w T8 lamps. 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 5 cell battery pack.
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