Eight Relay Outputs
Adds eight Form C relays to drive sirens, strobes, strikes, lighting and automation.
Programmable Functions
Each output is fully programmable to match the behaviour your system needs.
Remote Control
Allows remote control of outputs for flexible automation and event-driven switching.
Fast Install
Easy-to-read switch addressing and a quick modular interconnect connector speed up wiring.
Which panels does the B308 suit?
It is an output expander for Bosch Solution 2000, Solution 3000 and G-Series panels via the SDI2 bus.
How many outputs does it add?
It provides eight Form C relay outputs, each with programmable functions.
What can the relays switch?
Each relay is rated 1A at 5–24V DC, suitable for sirens, strobes, door strikes, lighting and automation.
Can outputs be controlled remotely?
Yes. The B308 allows remote control of outputs for automation and event-driven switching.
How is it powered?
It runs on 12V DC from the panel or an auxiliary power supply such as the B520.
What's in the box?
The B308 output expander module PCB. An enclosure and mounting hardware are supplied separately.