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Home > AC Source Selector Switches
 

AC Source Selector Switches

Blue Sea Systems AC Rotary Transfer Switch
 
Sometimes called ship to shore switches these heavy duty industrial grade AC Rotary Transfer Switches are made in Austria for Blue Sea Systems by Kraus and Naimer.  They are used to select between AC power sources when the necessary circuit protection is elsewhere.  Typically in a marine application they are used to switch between shore and generator or between shore 1 and shore 2, however you will see that the biggest of these can switch between three different sources and off.  All the switches have an off position.  These switches are also available mounted on a metal panel and they can also be incorporated into a Custom 360-System modular panel.
 
Wiring diagram for AC Rotary Transfer switchesRatings for these switches are 32 Amps and 65 Amps and the voltage rating for all is 600 Volts.  However it is important to pay attention to the wiring diagrams and instruction manuals as all current carrying conductors including neutral lines need to be switched. Ground wires do not get switched.  If you need some help choosing just ask.

All the switches shown here can also be supplied mounted in a panel, and for many of them it is possible to achieve the same functionality using circuit breakers with lockout slides. See the individual product pages to see the alternatives.

The grid below shows the range of options. Click on the part numbers to be taken to the product page and wiring diagrams. All of the switches are rated for 600 Volts.  Because the switch panels have indicator lights they are either rated for 120 volts or 240 Volts.  A range of 230 Volt panels for European use is also available but not shown here. The two pole switches shown here are for 120 Volts, the three pole switches are for 120/240 Volts, and the four pole switches are used to switch multiple sources to two loads and can be 120 Volt or 240 Volt.  Kraus and Naimer make many more switches than those shown here, the ones here are all sold as part of the Blue Sea Systems range.  If you would like help sourcing a switch not shown here please feel free to ask.


2 Position + Off 3 Position + Off
2 Pole 3 Pole 4 Pole 2 Pole
4 Pole
32 Amp






63 Amp



8365

8369





 
 Products (Total Items: 7)
Blue Sea Systems 9010 AC Selector Switch, 120V 32A OFF +3
Blue Sea Systems 9010 AC Selector Switch, 120V 32A OFF +3
Your Price: $122.52
On sale: $119.96 On Sale
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Blue Sea Systems 9009 AC Selector Switch, 120V 32A OFF +2
Blue Sea Systems 9009 AC Selector Switch, 120V 32A OFF +2
Your Price: $100.11
On sale: $93.99 On Sale
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Blue Sea Systems 9019 AC Selector Switch, 240V 63A OFF +2
Blue Sea Systems 9019 AC Selector Switch, 240V 63A OFF +2
Your Price: $272.53
On sale: $259.37 On Sale
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Blue Sea Systems 6337 AC Selector Switch, 120V 30A OFF+2
Blue Sea Systems 6337 AC Selector Switch, 120V 30A OFF+2
Your Price: $157.54
On sale: $141.62 On Sale
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Blue Sea Systems 9077 AC Selector Switch, 240V 63A OFF +3
Blue Sea Systems 9077 AC Selector Switch, 240V 63A OFF +3
Your Price: $339.29
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Blue Sea Systems 9093 AC Selector Switch, 120+120/240V 63A OFF+2
Blue Sea Systems 9093 AC Selector Switch, 120+120/240V 63A OFF+2
Your Price: $333.66
On sale: $333.54 On Sale
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Blue Sea Systems 9011 AC Selector AC Selector Switch,  120V 63A OFF +2
Blue Sea Systems 9011 AC Selector AC Selector Switch, 120V 63A OFF +2
Your Price: $213.16
On sale: $211.71 On Sale
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See also AC Source Selection Panels  
          


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Orders of $35 and over get free ground shipping within the Continental US