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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Out of stock; call for lead time
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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