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EMFields Screening Products


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  » Filters » [Overview] [Dirty Electricity] [Radiofrequency Filters] [Powerfrequency Filters] [Demand Switch] [ADSL Filters]


It is currently not possible to order from overseas via the site. If you are based overseas (or simply wish to order by phone), please contact the sale office on +44 (0)1353 778814 to place your order. Alternatively, for overseas customers, you can email us on info@emfields.org with your order, and we will raise a PayPal invoice for you. This can help if the time difference makes it difficult to phone within our working hours. We aim to dispatch most products within 2 days of receiving your paid order.


Electricity Demand Switches

Electricity Demand Switches

A demand switch inserted into selected house circuits will reduce electric and magnetic fields. This is especially useful while you sleep when low levels of EMFs are necessary for an optimal immune system. People with EHS will find demand switches helpful in regulating their electricity supply to reduce EMFs at all times practicable.

£165.79 (inc. vat)

0 in stock

Electricity Demand Switches - Further Information

Technical specifications

  • Voltage / capacity: 230 V, 16 A, 2300 W filament lamp load
  • Mechanical durability: ~10 million operating cycles
  • Residual ripple: < 8 mV (typically < 4mV
  • Building biology compatible low DC voltage (max. 8mA / 230 VDC)
  • Single-poled disconnection
  • Two year guarantee

A reliable Demand Switch optimised according to building biology criteria can substantially contribute to a reduction of your daily exposure. Experts recommend the decoupling from the mains (also often called "isolation") as the first and most important technical step to be implemented when reducing exposure to alternating electrical and magnetic fields.

Our Demand Switch is installed in modern DIN distribution boards or next to older fuse boxes, and it is wired inline to the circuit to be protected. When there is no load on the circuit, that is, when everything is switched off, the Demand Switch automatically disconnects the line at the fuse box. When any switch or appliance in the circuit is turned on, it instantly restores power.

Safety: The Gigahertz Solutions Demand Switches were the first "decouplers" ever to be VDE certified (the Association for Electrical, Electronic "&" Information Technologies), fulfilling strict safety regulations. VDE identification number: 40000677

Practical efficiency: The Gigahertz Solutions Demand Switches have been installed by many experienced electrical engineering technicians for many years. They are on the recommendation lists of renowned building biologists and are in use in thousands of households every day.

Please note that you need an electrician or somebody competent in electrical DIY to install this.