Bosch D192G

The Bosch D192G is a notification appliance circuit (NAC) module designed for managing supervised wiring connections to remote signaling devices including horns, strobes, speakers, and combination units in fire alarm systems. This 12/24 VDC module provides a 3.0-ampere NAC output with complete circuit supervision for open, short, and ground-fault detection on the notification appliance wiring. The module includes a supervised signal silencing switch for emergency operations and supports up to twelve D192G modules on a single compatible control panel, enabling flexible multi-zone signaling architecture. Compact 5 x 3 x 0.5-inch dimensions facilitate panel-mount installation inside control panel enclosures using standard mounting holes or D137/D138 mounting brackets.

Key Features

• Notification Appliance Circuit (NAC) output rated 3.0 amperes
• Dual voltage support: 12 VDC or 24 VDC operation
• Complete wiring supervision for open, short, and ground-fault detection
• Integrated supervised signal silencing switch for alarm control
• Up to 12 modules supported on compatible control panels
• Compact panel-mount design for internal enclosure installation
• Compatible with D137/D138 mounting brackets for flexible mounting options

Technical Specifications

• Dimensions: 5.0 inches (L) x 3.0 inches (W) x 0.5 inches (H)
• Voltage: 12/24 VDC (selectable)
• NAC Output Rating: 3.0 amperes
• Circuit Supervision: Open, short, and ground-fault detection
• Output Type: Supervised notification appliance circuit
• Maximum Modules: 12 per control panel system
• Connection: Screw terminal block wiring

Certifications

• UL Listed notification appliance module for fire alarm systems
• Compatible with Bosch G Series Control Panels and D9124 FACP