B520 Auxiliary Power Supply Module kit. Includes a TR1850 transformer, a B12 mounting plate, and a B8103 Universal Enclosure.

Features

• Provides up to 2 A of 12 V standby current for Fire or Burglar Applications (4 A of Burglary alarm current)
• Supervises up to two 12 V 7-18 Ah batteries independently for up to 36 Ah of capacity
• Provides up to 80 hours of standby time
• Easy-to-read sitch addressing
• Includes a B8103 enclosure and TR1850 transformer