Bosch D1640
Bosch D1640
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The Bosch D1640 is a plug-in power transformer rated at 16.5 VAC, 40 VA output, designed to provide regulated voltage for Bosch fire alarm and intrusion control panels and connected system components. This compact transformer (3.2 x 2.8 x 2.2 inches) is mounted directly at the AC outlet that feeds the control panel, stepping down standard line voltage to the 16.5V needed for proper panel operation and backup battery charging. The white finish integrates cleanly with control panel enclosures, and both UL 864 (9th edition) and CSFM certifications confirm the transformer meets safety standards for fire alarm applications in commercial installations.
Key Features
- Plug-in transformer rated 16.5 VAC, 40 VA output
- Compact design for direct outlet mounting near control panel
- Regulated power supply for control panel operation
- Battery charging support via transformer output
- UL 864 certified for fire alarm system applications
- CSFM certified for California fire safety compliance
- White finish for clean integration with control panel enclosures
Technical Specifications
- Voltage Output: 16.5 VAC nominal
- Power Rating: 40 VA
- Dimensions: 3.2 inches (H) x 2.8 inches (W) x 2.2 inches (D)
- Weight: Approximately 1.7 pounds
- Color: White
- Form Factor: Plug-in (directly at AC outlet)
- Installation: At outlet feeding the control panel per local electrical code
Certifications
- UL 864 Listed (9th Edition) Control Unit Accessories
- CSFM Certified for California fire safety applications
- Compatible with Bosch fire alarm and intrusion control panels

