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Automatic differential switch 1P + N 10A short circuit protection for power loss : Amazon.de: DIY & Tools
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electrical panel - The home single phase differential switch cuts whatever I did - Home Improvement Stack Exchange
![Schneider Electric A9R21463 iID Differential Switch, Class A, 4P, 63A, 30mA, 73.5mm x 72mm x 91mm, White : Amazon.co.uk: DIY & Tools Schneider Electric A9R21463 iID Differential Switch, Class A, 4P, 63A, 30mA, 73.5mm x 72mm x 91mm, White : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/31o-5we-VjL._AC_UF894,1000_QL80_.jpg)
Schneider Electric A9R21463 iID Differential Switch, Class A, 4P, 63A, 30mA, 73.5mm x 72mm x 91mm, White : Amazon.co.uk: DIY & Tools
![Series PG | Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. | Dwyer Instruments Series PG | Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. | Dwyer Instruments](https://dwyer-inst.com/media/catalog/product/p/g/pg_600x600.gif)