BOSCH SECURITY SYSTEMS B4512-C Intrusion Alarm System Control Panel Kit, Includes B4512 28-Point Control Panel/B10 Medium Enclosure/CX4010 Transformer - Nexlar E-Commerce
Bosch B520-B b520b Auxiliary Power Supply Kit B10 Sdi2 for $311.75.
BOSCH B10 ENCLOSURE CONTROL PANEL MEDIUM NEW IN BOX. | eBay