J+J J4C S20 - Kit Bsr J4 C 140;300

KIT BSR 
HANDBOOK_68
The BSR safety block system is an automasm
that, when coupled to the J4C mul voltage
electric actuators, lets the valve situate in a
preferable posion NC or NO, when there is a
power supply failure. Inside of the housing
there are a BSR print circuit board and a baery
pack, which is kept in connuous charge.
In case of the valve is not in the preferable
posion and there is a power supply cut, the
BSR system returns the valve back to the prefe-
rable posion by means of the baeries
tension, operang as a “single acng” actuator.
OUTSIDE BOX INSIDE BOX
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