Home > Siemens > Siemens DA-X3SR MXL Duct Detector Relay Board
Verified: May 26, 2026
Siemens DA-X3SR MXL Duct Detector Relay Board
~$49.00
The Siemens DA-X3SR MXL Duct Detector Relay Board is a component used in fire alarm systems to interface duct smoke detectors with the main control panel.
Key Specifications
- Compatibility: Siemens MXL fire alarm control panels
- Voltage: 24 VDC
- Current: 0.5 mA standby, 20 mA alarm
- Mounting: DIN rail or surface mount
- Operating Temperature: 32°F to 120°F
- Dimensions: 4.5" x 4.5" x 1.5"
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