HR-ST
HR-ST

Voltage Indicator, Type HR-ST, is the mobile section of a voltage testing system (VDS) in accordance with E DIN VDE 0682 Section 415 (IEC 61243-5), which is hooked up to active parts single-pole capacitively.

 

It is used to determine lack of voltage as per VDE 0105 Section 1 and is designed for high-resistance systems (HR systems), in which the indicator threshold features, at the interface, a voltage of 90 V and current of 2.5 µA at 50 Hz.

 

Voltage is indicated by a flashing LED. The voltage indicator does not have its own power supply (battery).

 

The display - and the unit’s overall functions - can be tested with a functional tester.

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