Data Sheet

B4512E Control Panel
The B4512E is available only in kits.
For kits, refer to Quick Selection Guide (B Series Kits)
on the Documents tab of the control panel’s Product
Page at us.boschsecurity.com.
Order number B4512E
B520 Auxiliary Power Supply Module
Provides auxiliary power to 12VDC devices or to SDI2
modules.
Order number B520
B520 Kit, B10 Enclosure
B520 Auxiliary Power Supply kit. Includes a TR1850
transformer and a B10 White, steel enclosure.
Order number B520-B
B520 Kit, D8103 Enclosure
B520 Auxiliary Power Supply kit. Includes a TR1850
transformer, a B12 mounting plate, and a D8103 Gray,
steel enclosure.
Order number B520-C
B201 2-wire Powered Loop Module
The module provides a single powered initiating device
circuit. The module supports compatible 12 V 2-wire
smoke detectors. It also supports connecting burglary
devices to the control panel.
Order number B201
B208 Octo-input Module
Provides 8 programmable inputs.
Order number B208
B308 Octo-output Module
Provides 8 programmable relays.
Order number B308
D122 Dual Battery Harness
Harness with circuit breaker. Connects two batteries
to a compatible control panel.
Order number D122
D122L Dual Battery Harness with Long Leads
Color-coded harness with circuit breaker and leads
measuring 89 cm (35 in.). Connects 12 V batteries to
compatible control panels.
Order number D122L
D126 Standby Battery (12 V, 7 Ah)
A rechargeable sealed lead‑acid power supply used as
a secondary power supply or in auxiliary or ancillary
functions.
Order number D126
D1218 Battery (12 V, 18 Ah)
A 12 V sealed lead‑acid battery for standby and
auxiliary power with two bolt‑fastened terminals.
Includes hardware for attaching battery leads or spade
connectors
Order number D1218
CX4010 Plug‑in Transformer
For use in North America. 110 VAC primary voltage
input. 18 VAC, 22 VA secondary input.
Order number CX4010
TR1850-CA Transformer
For use in Canada. Plug-in transformer with input:
120 VAC, 60 Hz, 0.50 A; output 18 VAC, 50 VA output.
Order number TR1850-CA
D8004 Transformer Enclosure
For applications such as fire alarm that might require a
transformer enclosure.
Order number D8004
B8103 Enclosure
White steel enclosure measuring 41 cm x 41 cm x 9 cm
(16 in. x 16 in. x 3.5 in.).
Order number B8103
D8103 Enclosure
Grey steel enclosure measuring 41 cm x 41 cm x 9 cm
(16 in. x 16 in. x 3.5 in.).
Order number D8103
D8108A Attack Resistant Enclosure
Grey steel enclosure measuring 41 cm x 41 cm x 9 cm
(16 in. x 16 in. x 3.5 in.). UL Listed. Includes lock and
key set. B520, B4512, and B5512 require the B12
mounting plate.
Order number D8108A
D8109 Fire Enclosure
Red steel enclosure measuring 40.6 cm x 40.6 cm x 8.9
cm (16 in. x 16 in. x 3.5 in). UL Listed. Includes a lock
and key set.
Order number D8109
B10 Medium Control Panel Enclosure
White, steel enclosure. Accepts an optional lock and
tamper switch. Measures 35.6 cm x 31.8 cm x 7.6 cm
(14 in x 12.5 in x 3 in).
Order number B10
B11 Small Control Panel Enclosure
White, steel enclosure. Accepts an optional lock and
tamper switch. Measures 27.8 cm x 25.9 cm x 8.32 cm
(10.9 in x 10.2 in x 3.3 in).
Order number B11
B12 Mounting Plate for D8103 Enclosure
Required for mounting select control panels and other
devices in D8103, D8108A, D8109, or BATB Battery
Box enclosures.
Order number B12
D101 Lock and Key Set
Short-body lock set with one key supplied. Uses the
D102 (#1358) replacement key.
Order number D101
7 | B4512 Control Panels