LN / DQ / GN high-speed low-voltage motors for converters 37–1000 kW, up to 22 000 rpm
Country: Germany · Model: LN / DQ / GN
High-speed low-voltage induction motors designed exclusively for operation from a frequency converter. Series LN and DQ give up to 16 000 rpm at 37–1000 kW, and the six-pole GN up to 22 000 rpm at 240–940 kW. They are fitted to test stands and high-speed drives without a gearbox.
- Series
- LN, DQ (2 and 4 poles); GN (6 poles)
- Shaft height
- LN/DQ 180–400; GN 180–250
- Power
- LN/DQ 37–1000 kW; GN 240–940 kW
- Speed
- LN/DQ up to 16 000 rpm; GN up to 22 000 rpm
Technical specifications
| Series | LN, DQ (2 and 4 poles); GN (6 poles) |
|---|---|
| Shaft height | LN/DQ 180–400; GN 180–250 |
| Power | LN/DQ 37–1000 kW; GN 240–940 kW |
| Speed | LN/DQ up to 16 000 rpm; GN up to 22 000 rpm |
| Voltage | 1000 V (operation from converter) |
| Cooling | IC06 (LN/DQ optionally IC86W) |
| Housing | steel/cast iron |
| Protection degree | IP23 (LN/DQ optionally IP54) |
| Insulation | 155 (F), used to 155 (F) |
| Mounting | B3 and others |
| Example | LN8280M-AZ89Z-Z: 31–250 kW, up to 460 V, 417–9000 rpm |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
LN and DQ are made in two- and four-pole versions with shaft height 180–400, voltage 1000 V from the converter, and a steel or cast iron frame. Protection is IP23, optionally IP54, cooling IC06 with an independent fan, optionally air–water IC86W. GN has six poles and shaft height 180–250, protection IP23 and cooling IC06. Insulation of all series is class 155 (F) used to class 155 (F), mounting B3 and others, with CE marking. The manufacturer also offers frequency converter service and has belonged to a larger group since 2011.
How to choose
Speed and power decide the choice of series. Up to 16 000 rpm and 1000 kW take LN or DQ, and above that, up to 22 000 rpm, the six-pole GN. The example of a built machine LN8280M-AZ89Z-Z has a multi-point characteristic of 31–250–250–210 kW at 70–460–460–460 V and 417–3336–7652–9000 rpm, that is a wide constant-power range. The motors work on automotive, transmission and roller test stands, in high-speed compressors, pumps and fans and in spindle drives.
Request a price and lead time
LN / DQ / GN high-speed low-voltage motors for converters 37–1000 kW, up to 22 000 rpm. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
Can LN, DQ and GN motors be fed from the grid?
No, they are designed exclusively for operation from a frequency converter, voltage 1000 V from the converter.
What is the maximum speed of these motors?
Up to 16 000 rpm for series LN and DQ and up to 22 000 rpm for the six-pole GN.
What power and shaft height do series LN, DQ and GN have?
LN and DQ have 37–1000 kW at shaft height 180–400. GN has 240–940 kW at shaft height 180–250.
What cooling and protection degree?
IC06 with an independent fan, and for LN and DQ optionally air–water IC86W. Protection IP23, optionally IP54.
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IMfinity FLSESThree-phase LV induction motors in cast-iron frame IE3/IE4, 0.75–900 kWREQUEST
Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.