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Index
SPECIFICATIONS
Outside box Inside box
The BSR safety block system is an automatism
that, when coupled to the J4C multi voltage electric
actuators, lets the valve situate in a preferable position
NC or NO, when there is a power supply failure. Inside
of the housing there are a BSR print circuit board and a
battery pack, which is kept in continuous charge.
In case of the valve is not in the preferable position and
there is a power supply cut, the BSR system returns the
valve back to the preferable position by means of the
batteries tension, operating as a “single acting” actuator.
ACTUATOR MODEL S20-B20 S35-B35 S55-B55 S85-B85
No Working operation without recharge,
with 100% battery charge
min. 5 operations, works until battery discharged *
Recharge time / working operation 15 min 21 min 48 min 58 min
Battery consumption / working
operation
2,2 W 3,0 W 6,8 W 8,3 W
Full charge time 100% 28 h
Nominal capacity +/- 5% 2200 mAh
NO or NC Features (*) Jumper
Current/one working operation with
battery
10,1 mA 14 mA 31,6 mA 38,6 mA
Battery charge 40 mA
Weight 0,31 Kg
KIT BSR J4C 20/85
HANDBOOK / KIT BSR
* Our actuators are not designed to operate in single-acting mode. The BSR (Battery System Returns) is provided exclusively as an emergency system in case of power loss. It is recommended to
always keep them connected to the main electrical grid for reliable performance
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