Bosch B520-B B520 Power Supply with TR1850 Transformer & B10 Enclosure

Bosch B520-B | Provides up to 2A of 12V standby current for Fire or Burglar Applications (4A of Burglary alarm current) | Easy to read rotary switch addressing. Buy Now.

B520 Power Supply with TR1850 Transformer & B10 Enclosure. B520-B Kit Includes B520, TR1850, B10.

The B520 Auxiliary Power Supply Module is a fully supervised, addressable SDI2 bus device that provides an integrated auxiliary power supply solution for Bosch control panels. The B520 Auxiliary Power Supply Module is an auxiliary power supply expansion device that connects to compatible control panels through the SDI2 bus. This module is supervised and communicates back to the control panel all status changes. Industrial, commercial, and institutional facilities are typical installations for the B520 module. The B520 rotary switches allow for ease of use in device addressing. The SDI2 Out terminals provide auxiliary power for SDI2 expansion devices such as keypads. The AUX PWR terminals provides added auxiliary power capabilities for additional devices such as PIR's.

The TR1850 Plug-in transformer with input: 120 VAC, 60 Hz, 0.50 A; output 18 VAC, 50 VA output.

The B10 is a white enclosure made of cold-rolled steel that is 1.0 mm (20 gauge) thick.

B520 Features:

• Provides up to 2A of 12V standby current for Fire or Burglar Applications (4A of Burglary alarm current)
• Supervises up to two 12v 7-18Ah batteries independently for up to 36AH of capacity
• Provides up to 80 hours of standby time
• Uses the Bosch standard TR1850 plug-in transformer

TR1850 Features:

• CA Transformer

B10 Features:

• White, steel enclosure
• Accepts an optional lock and tamper switch
• Measures 35.6 cm x 31.8 cm x 7.6 cm (14 in x 12.5 in x 3 in)