This text is missing some spaces, please add them: Voltagedurability5550Vrmsacfor1minute,betweenvoltageinputterminals,voltageinputterminalsandcurrentprobes,andvoltageinputterminalsandcase(50/60Hz,1mAsensecurrent)
Voltage durability 5550 V rms ac for 1 minute, between voltage input terminals, voltage input terminals and current probes, and voltage input terminals and case (50/60 Hz, 1 mA sense current)