Home > Siemens > Siemens DA-X3SR MXL Duct Detector Relay Board Card for AD-3i a...
Verified: May 26, 2026
Siemens DA-X3SR MXL Duct Detector Relay Board Card for AD-3i and AD3iLP Housings
~$95.00
The Siemens DA-X3SR MXL Duct Detector Relay Board Card is designed for use with AD-3i and AD3iLP Housings to provide relay functionality for duct smoke detectors.
Key Specifications
- Compatibility: Siemens MXL Fire Alarm Control Panels
- Voltage: 24 VDC
- Current: 0.5A @ 30VDC
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Mounting: Compatible with AD-3i and AD3iLP Housings
- Type: Relay Board Card
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