Catalog > Siemens DA-X3SR MXL Duct Detector Relay ...

Verified: January 13, 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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