
wLSN | Reference Guide | 12.0 wLSN Siren (Indoor)
42 Bosch Security Systems, Inc. | 3/07 | F01U009440-01
12.0 wLSN Siren (Indoor)
(ISW-BSR1-WX)
The wLSN Siren is a wireless sounding device. Features include:
• Ability for synchronous operation with all other wireless
outputs in the wLSN system
• An LED for RFSS and Discovery Modes
• Secondary external power source option
Table 18: Siren Specifications
Wire Gauge 0.14 mm (22 AWG) to 1.5 mm (14 AWG).
Power Four AA batteries, 1.5 V alkaline
External Power
Source (optional)
12 VDC nominal, 6 VDC to 14 VDC
Terminal Blocks DC+ and DC – (input)
External power source,
12 VDC nominal, 6 VDC
to 14 VDC
Sounder 85 dB at 3 m (10 ft)
Cover and Wall
Tamper Switch
Transmits a tamper signal when the siren is removed
from its base or the unit is pulled away from the wall.
EN50131-1 Security Grade 2, Environmental Class II
The external power option is intended to be used as a
supplemental (secondary) source of power only. Do not
operate the siren without the batteries.
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