Hekatron HEK ORS 220 Replacement Optical Smoke Detector Head (5000615-0401)

The Hekatron HEK ORS 220 is a replacement optical smoke detector head for duct smoke detection in ventilation and air conditioning systems. It operates on the scattered light principle and features automatic contamination compensation, ensuring reliable detection over time. The plug-in design allows quick replacement in compatible Hekatron ORS 13x to ORS 2xx series bases.

Overview

This detector head is designed for use with Hekatron smoke switch bases, providing a potential-free changeover contact for alarm signaling. It includes LED status indicators for operation, alarm, and fault conditions, and an integrated test function for easy maintenance. The housing is made of polycarbonate, offering durability in demanding environments.

What stands out

• Automatic contamination compensation and drift compensation maintain sensitivity over time.
• Integrated test function and LED indicators simplify commissioning and troubleshooting.
• Wide operating temperature range from -20 °C to +60 °C.
• Potential-free relay output rated for 250 V AC / 2 A or 30 V DC / 2 A.

Technical details

• Detection principle: Optical (scattered light)
• Operating voltage: 230 V AC (50/60 Hz) / 24 V DC via base unit
• Alarm output: 1 potential-free changeover contact
• Contact rating: 250 V AC / 2 A, 30 V DC / 2 A (resistive load)
• Operating temperature: -20 °C to +60 °C
• Storage temperature: -25 °C to +75 °C
• Relative humidity: 10% to 95% RH, non-condensing
• Housing material: Polycarbonate (PC)
• Mounting type: Plug-in
• Standby current: < 1 mA

Our verdict

A reliable replacement head for Hekatron duct smoke switches, offering advanced drift compensation and easy installation.