Bosch D7412GV4-B Specsheet

Fire Alarm Systems | D122 Dual Battery Harness

D122 Dual Battery Harness

www.boschsecurity.com

The D122 Dual Battery Harness protects the installer
and the battery when connecting two batteries, in
parallel, to compatible control panels. The D122
eliminates the hazards of batteries connected in
parallel by utilizing a thermal circuit breaker to govern
the circuit. The positive side of the harness is in series
with the circuit breaker. It breaks the electrical circuit
of the second battery when the thermal rating is
exceeded. This prevents the battery circuit from
creating a potentially harmful current overload
condition.

Certifications and approvals

Region Certification

USA UL AOTX: Local Alarm Units (ANSI/UL 609

and ANSI/UL 464) and APAW: Police­station-connected Alarm Units (ANSI/UL
365 and ANSI/UL 464)

CSFM see our website

Parts included

Quantity Component

1 Cable

Quantity Component

4 Screws

4 Battery contacts

2 Adapters

1 Literature – Installation instructions

Technical specifications

Mechanical

Cable length 17 in. (432 mm)

Wire gauge 18 AWG (ISO 0.75 mm2)

Ordering information

D122 Dual Battery Harness

Harness with circuit breaker. Connects two batteries
to a compatible control panel.

Order number D122

4 Locknuts