Hekatron Multi-Sensor Smoke Detector with Group Addressing MSD 523 5000611-0211

In commercial and industrial buildings equipped with Hekatron Integral C-NET fire alarm systems, the MSD 523 provides early warning of fire by combining optical smoke detection with thermal sensing. Its addressable design and group addressing simplify installation and maintenance in large facilities.

Key specifications

• Detection principle: optical (scattered light) and thermal (thermistor)
• Bus system: Hekatron C-NET
• Operating voltage: 15 - 33 V DC
• Quiescent current: approx. 100 µA
• Alarm current: approx. 10 mA
• Operating temperature: -20 °C to +70 °C
• Relative humidity: 5% to 95% (non-condensing)
• IP protection class: IP42
• Colour: signal white (RAL 9010)
• Housing material: ABS
• Mounting: ceiling (requires separate detector base)
• Approvals: EN 54-5, EN 54-7, VdS G210008

Why choose it

The MSD 523 integrates contamination compensation and an integrated isolator, ensuring reliable performance and system integrity. Alarm verification reduces false alarms, and the red LED provides clear local indication.

Ideal use cases

• Office buildings and commercial spaces
• Industrial facilities with Hekatron C-NET systems
• Areas requiring combined smoke and heat detection

Good to know

This detector is addressable and supports group addressing for flexible configuration. It requires a separate detector base for installation.