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+===== Electrical details about turnout coils =====
+[[english|{{  rocrail-logo-35.png}}]]
+[[english|Content]] -> [[hardware-en|Hardware]] -> [[hardware-en#interfaces|GCA]]
+  *  [[mgv-overview-en|The GCA modules]]
+ \\
+^^^^By Peter Giling ^^^^
+The list below is just an indication to help you choosing the right Interface for your turnouts.\\
+This list is composed by surfing the internet.\\
+No responsibility can be taken for the accuracy of this list.\\
+Most of these turnout coils are made to be used with ac transformer.\\
+Using them in Digital systeem means that they will be powered by DC, causing a slightly higher current through the coil.\\
+In case of any doubts, always refer to the original manual of your turnouts.\\
+To be more accurate the voltage is indicated which is used for measuring the current.\\
+If your coils are not listed here, it is also possible to calculate the current you need.\\
+To do that you need to know the voltage which is supllied to the coil.\\
+Pleas remind this is not the voltage of the transformer, but the voltage directly measured ewehere the coil is to be connected.\\
+And second measure the resistance otf the coil.\\
+According to Ohm's law:\\
+(Volt / resistance) is  the current that will be passing the coil.\\
+Example:
+The voltage = 18V ,  the resistance = 36 Ohm.\\
+Then we have 18/36 = 0,5 ampere.\\
+^  Mark  ^  type #  ^  Testvoltage  ^  current  \\  ( in amps)  ^  Ohms  ^  remarks  ^  Useable with  ^
+|  Märklin  |  C-rails all types |  18V  |  >1,2  |  11 Ohm  |  the best idea here is to remove switches inside  \\  solonoid drive. The installed switch can handle only 0.5 Amp \\  see specs : [[http://www.produktinfo.conrad.com/datenblaetter/700000-724999/705622-da-01-de-ULTRAMINIATUR_DH2C_B1PA_0_5A_30V.pdf|microswitch]]  |  GCA76  |
+|  Märklin  |  K-rails 7549 |  18V  |  1,2  |  15 Ohm  |  |  GCA76  |
+|  Märklin  |  M-rails  |  18V  |  0,5  |  32 Ohm  |  |  GCA77  |
+|  Roco  |  61195  |  18V  |  1  |  17 Ohm  |  |   GCA76  |
+|  Fleischmann  |  6421  |  18V  |  0,9  |  17 Ohm |  |  GCA76  |
+|  Fleischmann  |  640000  |  ?  |  ?  |  ? Ohm |  |  GCA?  |
+|  Fleischmann Piccolo  |  9182  |  16V  |  0,9  |  14 Ohm  |  |  GCA76  |
+|  Trix  |  Minitrix 14971  |  16V  |  1,2  |  7 Ohm  |  When sufficient 12V supply is used   \\  possible with GCA77  |  GCA77/GCA76  |
+|  Tillig  |  HO scale  |  18V  |  0,6  |  23 Ohm  |  |  GCA76  |