Siemens PAD-3-MB Notification Appliance Extender with Metal Backbox
The Siemens PAD-3-MB is the most common way the PAD-3 notification appliance extender is deployed in the field. The "MB" suffix denotes the included metal backbox, making the PAD-3-MB a complete, self-contained unit ready for wall or surface mounting without any additional enclosure hardware.
The PAD-3-MB expands the notification appliance circuit (NAC) output capacity of Siemens fire alarm control panels, allowing installers to drive additional horns, strobes, and horn/strobe combination devices. This is the preferred solution for new installations and system expansions where a dedicated, code-compliant enclosure is required.
Compatible with Siemens MXL, FireFinder, Sinteso, and Cerberus platform panels, the PAD-3-MB is a genuine Siemens component that meets UL listing requirements for fire alarm notification. For board-only applications where a separate enclosure is already available, see the PAD-3 (board only).
Life Safety Consultants stocks the PAD-3-MB as the standard complete NAC extender solution for Siemens systems.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 10 lbs |
|---|---|
| Dimensions | 12 × 14 × 6 in |
| Condition | New |
| Part Type | Appliance Extender, Power Extender Panel, Power Supply |
| Manufacturers | Siemens |
| Compatible Panels | MXL, FireFinder, Sinteso, Cerberus PRO |
| Cross Reference | PAD-3 |
| Specification | Part # 500-596450 series |






