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Verified: January 13, 2026

System Sensor M500S Addressable Control Supervisory Module

~$54.56

The System Sensor M500S is an addressable control supervisory module used in fire alarm systems to monitor and supervise various input devices.

Key Specifications

  • Compatibility: System Sensor addressable control panels
  • Voltage: 24 VDC
  • Current: 50mA standby, 100mA alarm
  • Operating Temperature: 32°F to 120°F (0°C to 49°C)
  • Mounting: Standard 4-inch square electrical box
  • Supervisory Functions: Monitors input device integrity and communication with control panel
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