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  • No : 23300
  • Release Date : 2018/09/12 15:11
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About Low-voltage Power Distribution Products

Is it necessary to use a coil surge suppressor in UT-SY21 or UN-SY11/21/31 type?
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Since a triac element in UT-SY21 type and UN-SY11/21/31 canopen/close, surge voltage does not occur. Therefore, a coil surgesuppressor is not needed for them.
Product Name
Motor Starters
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