The Existalite ZW.3F/B is an emergency inverter compatible with all well known branded high frequency ballasts and has been designed to operate at optimum battery voltages. They have an emergency duration of 3 hours as standard and have a recharge period of just 20 hours. The ZW.3F/B should be used with a 4 cell battery pack. Click here to see Data Sheet and Wiring Diagrams!
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