Product Description General LW28 Series Universal changeover
switch mainly used for AC 50Hz, rated voltage up to 380V and below,
DC voltage up to 220V, rated current to 160A electrical circuit for
manually infrequent making or breaking the circuit for the purposes
of control and conversion ,can also controlling three-phase
asynchronous motors and circuit directly as the purposes of master
control and measurement.The products widely used, instead of the
various national switch, can be used as the circuit control switch,
measuring equipment switches, motor control switches and the master
control switch, and welding machine switch and so on. Compliance
with standards: The changeover switch use to the main circuit
switchingand direct control comply with IEC60947-3.
Operating conditions 1.The ambient air temperature does not exceed
+40ºC, the average temperature within 24 hours and not more than
+35ºC. 2.The ambient air temperature is not lower than -5ºC.
3.Installation site altitude does not exceed 2000m. 4.The relative
humidity of the air no more than 50% when the maximum temperature
is +40ºC and at a lower temperature allows a higher relative
humidity, such as when temperature is 20ºC the relative humidity
reach 90%. 5.To condensation occasionally due to temperature
changes should take special measures.Product Catalog
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