Condition: New
Bosch B520
Bosch B520
Power Supply Sdi2 Auxiliary 20 Amp
Regular price
$356.99
Sale price
$356.99
Regular price
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The Bosch B520 is an SDI2 addressable auxiliary power supply module for fire and burglar alarm systems. It provides supervised 12V standby power for up to 36 Amp-hours of battery capacity with integrated supervision of multiple batteries, supporting 80 hours of extended backup operation on fire alarm circuits.
Key Features
- Fully supervised SDI2 addressable power module
- Up to 2A standby current for fire alarm (4A for burglar)
- Independent supervision of up to two 12V 7-18Ah batteries
- Total 36 Ah battery capacity support
- Extended 80-hour backup operation capability
- Integrated charger for sealed lead acid batteries
Technical Specifications
- Output: 12V regulated power
- Fire Current: 2 amps continuous
- Burglar Current: 4 amps continuous
- Battery Support: Two 7-18Ah batteries, 36Ah max capacity
- Backup Duration: Up to 80 hours with full batteries
- Bus Type: SDI2 addressable with full supervision
- Application: Fire and Burglar Alarm integration
Certifications
- UL 864 Listed fire alarm component
- Bosch fire alarm system qualified
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