NA5 comfort, Low Current Demand Switch, DC Type, 16A
For automatic monitoring and mains disconnection.
- Reliable operation also with rotary dimmers, fluorescent and energy saving lamps, halogen spotlights and devices with start-up electronics such as vacuum cleaners etc.
- Reverse polarity protected and overvoltage-proof
- Residual ripple typical 8 mV
- LED indication for the switching mode "decoupled"
- VDE mark
- Nominal voltage / capacity: 16 Amp., 230 VAC +/- 10 %, 2300 watt filament lamp load.
- Mechanical durability of the relay: approx. 15.000.000 operating cycles.
- Monopolar disconnection: for optimal personal protection and minimum residual ripple.
- Residual ripple (nominal/typical/maximum): < 4 mV / < 8 mV / < 16 mV.
- Monitoring voltage: Building biology compatible low current DC voltage (max. 8mA / 230 VDC).
- Security: overvoltage proof according to IEC 1000-4-4 (Burst) and IEC 1000-4-5 (Surge). Compliance with air gap and leakage path according to EN 600065 / VDE0860.
- Housing: Rail mounting DIN-EN 50 022 for the domestic fuse box, 35 mm = 2 PE.
- Warranty: 2 years.
- Scope of delivery: Demand Switch, mains filter x21, system monitoring lamp, detailed instruction manual.
How does a demand switch work?
A domestic power circuit produces two types of "electrosmog": alternating magnetic fields and alternating electrical fields. While the magnetical fields "disappear" as soon as the appliance is switched off, the electrical fields remain present and a problem in the complete electric circuit all the way to the switch or to the empty socket even after switching the appliance off
This is where the demand switch sets in:
Having been installed in the domestic fuse box, it will automatically interrupt the intended power circuit as soon as the last appliance has been switched off. The interrupted circuit is now free of electric tension and can therefore no longer cause any electrical fields. Especially for the sleeping area this is an easy way to keep the room free from low frequency alternating fields.
Comfortable solution for the user:
As soon as any appliance is switched back on, the demand switch will recognize this and automatically and without delay return the electric tension onto the power line. This means, you don't even take note of the interruption in your everyday life.
The determining elements for the operation of a demand switch are:
- A power sensor to find out whether electricity is needed or not.
- A power relay which will connect or interrupt the electric circuit with the power grid.
- A cascaded rectifier circuit to generate a for building biologists uncritical DC control voltage which will control the interrupted circuit in order to detect a new demand for electricity.
- And, of course, a control circuitry to make it all work reliably.