Siemens ZD12 double tariff polyphase meter
By Steffen Froeschle; posted December 11, 2016
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Nice double tariff with indicator for high(HT) and low(NT) tariff which is controlled by a separate teleswitch or timer. |
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Nice double tariff with indicator for high(HT) and low(NT) tariff which is controlled by a separate teleswitch or timer. |