FIELD: electricity.
SUBSTANCE: protective device containing outer casing with double alarm includes housing and circuit board. Housing has one end provided with end part. End part contains through hole for insertion of lighting element. Circuit board is located inside the housing and includes two protection modules; one first warning alarm module and the second warning alarm module. The first and the second warning alarm modules are connected to lighting element.
EFFECT: protective device can supply through the lighting element the warnings on deviation of chain from the norm and on high voltage.
4 cl, 4 dwg
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