PAD-4-MB | Siemens Replacement Board for PAD-4 NAC Expander Module
Siemens · Industrial Automation & Electrical
Description The Siemens PAD-4-MB is a replacement main board for the PAD-4 NAC (Notification Appliance Circuit) expander module. It restores proper circuit expansion capability for Siemens fire alarm systems, ensuring reliable operation of notification devices. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Fire Alarm Equipment Part Number PAD-4-MB Subcategory Replacement Board Product Type NAC expander replacement PCB Function Provides notification appliance circuit expansion Compatibility Siemens PAD-4 modules Supported Devices Horns, strobes, and signaling appliances Installation Field-replaceable inside PAD-4 enclosure Design Direct-fit replacement main board Application Fire alarm NAC expansion systems Maintenance Reduces cost vs. full module replacement Environment Commercial and industrial fire alarm systems Weight 1 lb (approx.) Information About PAD-4-MB The PAD-4-MB is part of Siemens’ replacement component offerings for the PAD-4 notification appliance expander. It is designed to provide full functionality as a direct replacement for the original main board in the module. The board supports the distribution of additional notification appliance circuits, allowing fire alarm systems to power and control horns, strobes, and other signaling devices. By replacing only the board, it offers a cost-effective solution for maintaining system integrity without replacing the full NAC expander assembly. Key Features: Direct Replacement: Designed specifically for Siemens PAD-4 NAC expander modules. Notification Appliance Support: Maintains distribution of additional horns, strobes, and signaling devices. System Compatibility: Fully compatible with Siemens fire alarm control panels. Cost-Effective Solution: Restores module functionality without replacing the full enclosure. Reliable Performance: Provides the same operational capability as the original board. Simplified Maintenance: Designed for field replacement in existing systems. The PAD-4-MB delivers the reliability and precision required for maintaining Siemens fire alarm NAC expansion systems.
Brand: Siemens · Category: Industrial Automation & Electrical
Key features
- Direct Replacement: Designed specifically for Siemens PAD-4 NAC expander modules.
- Notification Appliance Support: Maintains distribution of additional horns, strobes, and signaling devices.
- System Compatibility: Fully compatible with Siemens fire alarm control panels.
- Cost-Effective Solution: Restores module functionality without replacing the full enclosure.
- Reliable Performance: Provides the same operational capability as the original board.
- Simplified Maintenance: Designed for field replacement in existing systems.
Specifications
| Manufacturer part number | PAD-4-MB |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Fire Alarm Equipment |
| Part Number | PAD-4-MB |
| Subcategory | Replacement Board |
| Product Type | NAC expander replacement PCB |
| Function | Provides notification appliance circuit expansion |
| Compatibility | Siemens PAD-4 modules |
| Supported Devices | Horns, strobes, and signaling appliances |
| Installation | Field-replaceable inside PAD-4 enclosure |
| Design | Direct-fit replacement main board |
| Application | Fire alarm NAC expansion systems |
| Maintenance | Reduces cost vs. full module replacement |
| Environment | Commercial and industrial fire alarm systems |
| Weight | 1 lb (approx.) |
| Product type | NAC Expander Replacement Board |
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