Lt Mk1 Star Delta Starter Wiring Diagram Pdf

All the panel manufacture use this drawing only. Star delta starter is a common used in domestic and industry sector to drive variant application such as chiller water pumpmachineryair compressor and many more equipment.

Mk1 fully automatic star delta starter key diagram mk1 fully automatic r y b to supply a b c p1 p2 p3 p4 h a b c a2 b2 c2 t k 2 3 1 to motor terminals c1 a1 b1 b p1 stop reset p2 p4 start p3 k no h h t.

You can find out more Diagram below

Lt mk1 star delta starter wiring diagram pdf. In the diagram of power circuit of star delta starter u2 and v2 of 3 phase motor should be connect to 4 and 6 respectively instead of u2 and v2 are connected to 6 and 4 of delta contector km2. Mk1 mu1 mu2 mb1 mb2 ml15 ml2 mu1 mu1 mu2 mu2 ml15 ml2 ml15 ml15 ml15 ml2 contactors used starter type mn2 relays used 4 65 6 10 9 14 9 15 mk1 mk1 mk1 mu2 mk1 mu1 mu2 mb1 mb2 ml15 ml2 mu1 ml23 ml23 contactors used mk1 mu1 mu2 mb1 mb2 ml15 ml2 mk1 mk1 mk1 mu1 11 18 13 21 13 22 14 23 20 32 20 33 mk1 mk1 mu2 mu2 mu2 mn2 mn2 ml23 ml23 mk1 mk1 mu1 mu2 mu1 composition for sasd starters. Lt switchgear esp service manual star delta starters ml series details of contactors and timers used in ml series star delta starters starters contactors timers star delta hold on ml 15 sasd ml 1 ml 15 ml 15 ml 15 fasd ml 1 ml 15 ml 15 gt 200 ml 2 sasd ml 2 ml 2 ml 2 ml 2 fasd ml 2 ml 2 ml 2 gt 200 ml 3 sasd ml 2 ml 3 ml 3.

Lt offers two variants of dol method starter and controller. Lt dol starter wiring diagram repiring duration. What i have given in this wiring diagram the same will be used in many industrial.

This drawing has two circuir. One is power circuit and another one is control circuit. Star delta starter wiring diagram.

Here will see the practical star delta starter wiring diagram. Typical circuit diagram for auto transformer starter internal connection diagram for dc coil circuits k1. Lt mk1 dol single phase starter hindi rucha communications.

Sizes 3 to 6 3tf46 to 3tf51 k1. Star delta circuit diagram. Sizes 8 to 12 overload relays starters testing installation trouble.

From the left you have the main contactor with the pneumatic timer because your main contactor is always energized in the middle you have the delta contactor with a thermal overload for motor protection in case the motor exceeds the amp rating set on the thermal overload. Automatic star delta starter with timer wiring installation diagram. Dol starters are basic electrical starters with contactors and relay for onoff operation and overload protection of the pump set.

There is minor correction is require to change printed in boxes sequence of 3 phase wires from w2 v2 u2 to w2 u2 v2 to get delta connection properly. Star delta connection with contactor.