The Bosch B520 Auxiliary Power Supply Module is an advanced, fully supervised, addressable SDI2 bus device designed to enhance the performance of Bosch control panels. This module integrates seamlessly into industrial, commercial, and institutional settings, delivering reliable auxiliary power while communicating all status changes back to the control panel. With user-friendly rotary switches for addressing and robust power capabilities, the B520 is an essential addition for any security system.
Bosch B520 Auxiliary Power Supply Module Features
- Power Output: Provides up to 2A of 12V standby current for Fire or Burglar Applications (4A of Burglary alarm current) – ensuring reliable operation during emergencies.
- Battery Supervision: Supervises up to two 12v 7-18Ah batteries independently for up to 36AH of capacity – maximizing battery efficiency and longevity.
- Standby Time: Provides up to 80 hours of standby time – allowing for extended usage without power interruptions.
- Transformer Compatibility: Uses the Bosch standard TR1850 plug-in transformer – simplifying installation and maintenance.
- Ease of Use: Easy to read rotary switch addressing – making setup and configuration straightforward.
Bosch B520 Auxiliary Power Supply Module Specifications
| Power Output | Up to 2A of 12V standby current |
| Burglary Alarm Current | 4A |
| Battery Supervision | Up to two 12v 7-18Ah batteries |
| Maximum Capacity | Up to 36AH |
| Standby Time | Up to 80 hours |
| Compatible Transformer | Bosch standard TR1850 plug-in transformer |
| Addressing Method | Rotary switch addressing |
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