







S54431-B4-A1 | Siemens MXL Line Card for Fire Alarm System Expansion
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- $1,315.00
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- $1,315.00
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Product Description P/N: S54431-B4-A1
Description
The Siemens S54431-B4-A1 is a fire alarm MXL line card designed for use with Siemens MXL fire alarm control panels. It provides communication and expansion capability for system devices and circuits within the MXL platform.
Technical Specifications
Condition | New/Never Used Surplus |
Brand | Siemens |
Category | Fire Alarm Equipment |
Part Number | S54431-B4-A1 |
Subcategory | Line Card |
Product Type | MXL fire alarm system card |
Function | Expands signaling line circuits (SLCs) |
Compatibility | Siemens MXL fire alarm control panels |
Supported Devices | Addressable detectors, modules, notification appliances |
Installation | Modular card, field-installable |
Application | Fire alarm system expansion and communication |
Compliance | UL listed (where applicable) |
Environment | Commercial, institutional, and industrial facilities |
Dimensions | Standard Siemens MXL card size |
Weight | 1 lb (approx.) |
Information About S54431-B4-A1
The S54431-B4-A1 is part of Siemens’ MXL series fire alarm components, engineered to support system integration and device communication. Installed as a modular line card, it expands panel functionality by providing additional signaling line circuits (SLCs) for intelligent device connectivity. This card enables addressable detectors, modules, and notification appliances to interface with the MXL control panel. Built for reliability and ease of integration, the S54431-B4-A1 supports commercial and industrial fire alarm applications that require scalable and code-compliant system expansion.
Key Features:
- MXL Line Card: Designed specifically for Siemens MXL fire alarm control panels.
- System Expansion: Provides additional signaling line circuits (SLCs) for device connectivity.
- Device Compatibility: Supports addressable detectors, modules, and notification appliances.
- Reliable Communication: Ensures stable data exchange between devices and control panel.
- Modular Design: Field-installable card for scalable fire alarm system growth.
- Commercial Use: Suitable for large-scale commercial and industrial facilities.
- UL Listed: Meets fire alarm system compliance standards.
The S54431-B4-A1 delivers the reliability and precision required for scalable MXL fire alarm system operation.
Description
The Siemens S54431-B4-A1 is a fire alarm MXL line card designed for use with Siemens MXL fire alarm control panels. It provides communication and expansion capability for system devices and circuits within the MXL platform.
Technical Specifications
Condition | New/Never Used Surplus |
Brand | Siemens |
Category | Fire Alarm Equipment |
Part Number | S54431-B4-A1 |
Subcategory | Line Card |
Product Type | MXL fire alarm system card |
Function | Expands signaling line circuits (SLCs) |
Compatibility | Siemens MXL fire alarm control panels |
Supported Devices | Addressable detectors, modules, notification appliances |
Installation | Modular card, field-installable |
Application | Fire alarm system expansion and communication |
Compliance | UL listed (where applicable) |
Environment | Commercial, institutional, and industrial facilities |
Dimensions | Standard Siemens MXL card size |
Weight | 1 lb (approx.) |
Information About S54431-B4-A1
The S54431-B4-A1 is part of Siemens’ MXL series fire alarm components, engineered to support system integration and device communication. Installed as a modular line card, it expands panel functionality by providing additional signaling line circuits (SLCs) for intelligent device connectivity. This card enables addressable detectors, modules, and notification appliances to interface with the MXL control panel. Built for reliability and ease of integration, the S54431-B4-A1 supports commercial and industrial fire alarm applications that require scalable and code-compliant system expansion.
Key Features:
- MXL Line Card: Designed specifically for Siemens MXL fire alarm control panels.
- System Expansion: Provides additional signaling line circuits (SLCs) for device connectivity.
- Device Compatibility: Supports addressable detectors, modules, and notification appliances.
- Reliable Communication: Ensures stable data exchange between devices and control panel.
- Modular Design: Field-installable card for scalable fire alarm system growth.
- Commercial Use: Suitable for large-scale commercial and industrial facilities.
- UL Listed: Meets fire alarm system compliance standards.
The S54431-B4-A1 delivers the reliability and precision required for scalable MXL fire alarm system operation.



