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Weight (g)

81

Materials

Top and bottom:    Zytel
FR7200
Snap-on    mounting device:
Zytel 7335S

Mounting

Onto a standard    mountingrail inside the Fire AlarmControl Panel or Controller

Electrical    connection

Internal    system: plug-in
InconnectionDetection    Loop: screw
terminals    (maximum cabledimension 2,5mm2)

Loop output    voltage

24VDC

Maximum current    output to
loop (24VREG)

140 mA250 mA    (BSD-311)

Internal    current consumption

24VREG, idle:    10 mA24VREG, 12,5%
communication

Loop resistance    measuringrange

0~300Ohm

Maximum    capacitance on loop
cable

BSD-310 and    BSD-311:
500 nF

Maximum    resistance on the
total cable    length (+ and -
conductors)

BSD-310:50 Ohm    (each wiremaximum 25 Ohm)BDS-311:20 Ohm (eachwiremaximum 10 Ohm)

Fail safe (F/S)    output signal

10 ms OFF, 20    ms ON

Certificate for    BSD-310/N

NEMKO EX00.199X