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DOL
Single Phase
Direct On-Line (DOL) method is the simplest starting method for 3-phase pump set. L&T offers two variants of DOL method – starter and controller.
DOL starters are basic electrical starters with contactors and relay for ON/OFF operation and overload protection of the pump set.
Over and above the ON/OFF operation and overload protection features equipped in Controllers, indications of Supply ON/OFF and Pump ON/OFF, reading of real time voltage & current of pump with unique Dual analog meter.
| HP Rating | DOL Range | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Starters | Controller | ||||||||||
| MK1 | MF1 | MU1 | MB1 | MU2 | MB2 | ML1.5 | ML2 | MU-G6 | MU-G10 | MU-G10H | |
| 0.125 | |||||||||||
| 0.25-2 | |||||||||||
| 3-6 | |||||||||||
| 7.5 | |||||||||||
| 10 | |||||||||||
| 12.5 | |||||||||||
| 15 | |||||||||||
| 20 | |||||||||||
DOL Starters :
- MK1 DOL - with MK1 contactor and MK1 relay
- MU DOL - with MU contactor and MU relay
- MB DOL - with MU contactor and MN relay
- ML DOL - with MU contactor and MN relay
Controllers :
- MU-G6 – with MK1 contactor, MK1 relay and Sz5 (SPPR)
- MU-G10 & MU-G10H - with MU contactor, MU relay and Sz5 (SPPR)
