Eight Extra Zones
Adds eight hardwired points to expand detector and contact capacity on G-Series systems.
Programmable Points
Each input supports programmable functions to suit doors, PIRs, reeds and more.
Easy Addressing
Easy-to-read switch addressing makes commissioning fast and error-free.
Simple Wiring
Two interconnect wiring connectors allow quick daisy-chaining across the SDI2 bus.
Which panels does the B208 suit?
It is an input expander for Bosch G-Series panels, connecting via the SDI2 bus.
How many zones does it add?
It provides eight additional hardwired points, each with programmable input functions.
How far can I run the wiring?
The SDI2 bus supports wire runs up to 305 m; refer to the installation manual for full wiring guidance.
Is it easy to address?
Yes. Easy-to-read switch addressing and two interconnect connectors make setup and daisy-chaining simple.
How is it powered?
The module runs on 12V DC supplied from the panel or an auxiliary power supply such as the B520.
What's in the box?
The B208 zone expander module PCB. An enclosure and mounting hardware are supplied separately.