Siemens SIMEAS P 7KG7750, Operating Instructions Manual, Page: 60 / 88

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Dielectric test, routine test, 2 s according to IEC 61010-1
Voltage inputs, binary outputs AC: 2.2 kV
Current inputs AC: 1.35 kV
Power supply DC: 3.1 kV
Serial interface AC: 500 V
Additional for I/O modules
Binary inputs and binary/relay
outputs to PG
AC: 2.2 kV
Analog inputs and analog outputs
to PG
AC: 500 V
Insulation type of inputs and outputs
Signal inputs (current) Reinforced,
AC: max. 150 V, Cat III
Signal inputs (voltage) Protective impedance,
AC: max. 600 V, Cat II or
AC: max. 300 V, Cat III
Power supply Reinforced,
AC: max. 230 V,
DC: max. 250 V,
Cat II
Output contacts Reinforced,
AC: max. 230 V,
DC: max. 250 V,
Cat II