Bosch B9512G - Wire Requirements

Control Panels Specifications | en 165
Bosch Security Systems, Inc. Installation and System Reference Guide 2016.06 | 08 | F.01U.303.996
USB USB 2.0 full speed
Environmental Temperature: 0°C to +49°C (+32°F to +120°F)
Relative
Humidity:
Maximum 93% non-condensing
Arming
stations
B942/B942W keypads, B930 keypads, B926F Fire keypads, B925F Fire keypads, B921C
keypads, B920, B915/B915I, D1260 keypads, D1257/D1257RB Fire Alarm Annunciators, D1256/
D1256RB, D1255/D1255R/D1255RB keypads, Keyswitch
Point
thresholds
(Single EOL
resistor circuit
style)
On-board
points 1 to 8
With 1.0 kΩ resistors Open - 3.7 to 5.0 VDC
Normal - 2.0 to 3.0 VDC
Short - 0.0 to 1.3 VDC
Short circuit current - 5 mA
With 2.0 kΩ resistors Open - 4.1 to 5.0 VDC
Normal – 3.0 to 4.1 VDC
Short - 0.0 to 3.0 VDC
Short circuit current - 5 mA
No EOL Open - 2.6 to 5.0 VDC
Short - 0.0 to 2.4 VDC
Short circuit current - 5 mA
Point
thresholds
(Dual EOL on-
board points)
Dual EOL (1.0 kΩ + 1.0 kΩ) Short - 0 to 1.67 VDC
Open - 4.12 to 4.95 VDC
Normal - 1.69 to 2.94 VDC
Fault - 2.95 to 4.10 VDC
Short circuit current - 5 mA
Compatible
enclosures
B8103 Universal Enclosure, D8103 Universal Enclosure, D8109 Fire Enclosure, D8108A Attack
Resistant Enclosure, BATB-40 and BATB-80 Battery Boxes.
Battery
discharge/
recharge
schedule
Discharge
Cycle
13.30 VDC
12.1 VDC
10.2 VDC
10.2 VDC
BATTERY STATUS LED slow flash.
Low Battery Report, if programmed.
BATTERY STATUS LED quick flash.
Minimum operational voltage.
Battery load shed.
Recharge
Cycle
AC ON
12.50 VDC (under
load)
13.4 VDC and charging
current < 200 mA
Load shed relay resets, battery charging begins.
Battery Restoral Report sent, BATTERY STATUS LED
off.
Battery float charged. BATTERY STATUS LED off.
21.1 Wire requirements
Terminal label Terminal description Requirements
1 AC 18 AWG min (up to 14 AWG max)
2 AC 18 AWG min (up to 14 AWG max)
3 + AUX POWER Terminal accommodates 14 to 22 AWG, use appropriate
wire size based on current