The Bosch Kit includes essential components for enhancing your security system’s performance and reliability. The B520 Auxiliary Power Supply Module provides a robust power solution with supervision capabilities, while the TR1850 transformer ensures reliable power input. The D8103 grey steel enclosure offers durable protection for your devices, and the B12 mounting plate facilitates easy installation. Together, these components are designed for industrial, commercial, and institutional applications, delivering peace of mind with efficient power management.
Bosch B520 Auxiliary Power Supply Module Features
- Provides up to 2A of 12V standby current: Ideal for Fire or Burglar Applications with 4A of Burglary alarm current, ensuring reliable operation.
- Supervises up to two 12v 7-18Ah batteries: Independently monitors for up to 36AH of capacity, enhancing system reliability.
- Provides up to 80 hours of standby time: Ensures continued operation during power outages, maintaining security.
- Uses the Bosch standard TR1850 plug-in transformer: Simplifies power management with compatibility for easy integration.
- Easy to read rotary switch addressing: Facilitates quick and efficient device setup, reducing installation time.
Bosch TR1850 Transformer Features
- CA Transformer: Reliable transformer providing consistent power output for connected devices.
Bosch D8103 Enclosure Features
- Grey Steel Enclosure: Offers robust protection against environmental factors, ensuring longevity of internal components.
Bosch B12 Mounting Plate Features
- Mounting Plate for D8103 Enclosure: Provides secure installation options for various devices, enhancing stability.
Detailed Specifications
| Feature | Details |
| B520 Auxiliary Power Supply | Fully supervised, addressable SDI2 bus device providing auxiliary power for Bosch control panels. |
| TR1850 Transformer Input | 120 VAC, 60 Hz, 0.50 A; Output: 18 VAC, 50 VA. |
| D8103 Enclosure Dimensions | 41 cm x 41 cm x 9 cm (16 in. x 16 in. x 3.5 in.). |
| B12 Mounting Plate Compatibility | Required for mounting select control panels and devices in D8103, D8108A, D8109, or BATB Battery Box enclosures. |
| Standby Current Capacity | Up to 2A for Fire/Burglar applications, with 4A for Burglary alarm current. |
| Battery Supervision | Monitors two 12v 7-18Ah batteries independently, supporting up to 36AH capacity. |
| Standby Time | Provides up to 80 hours of standby time during power outages. |
| Ease of Installation | Rotary switches for easy device addressing. |



















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