Product details description
ZH842 - Solid-state high-voltage signalling relay
The solid-state high-voltage signalling relay ZH842 H indicates highvoltage being applied to the train line of railway vehicles. Mode of operation: The ZH842 H switches on a potential-free relay contact as long as the high voltage at the input terminals exceeds the threshold voltage.
Features:
● Identification of UIC 550 compatible voltages (1 kV 16 Hz/ 1.5 kV 50 Hz/1.5 kV DC/3 kV DC) and 3 kV 50 Hz
● Meets insulation requirements for 3 kV DC (UIC 550) according to EN 50124-1:2001+A1
● Low power consumption during stand-by
● Potential-free switching output
Application:
● Energizing battery driven electrical loads in railway vehicles only if the train line voltage exceeds the threshold voltage in order to conserve battery power
Standard:
● EN 50155 type test incl. insulation, EMC, vibration/shock
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