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Crane electric motors MTH (F)У, MTKH(F)У,4MTM(H)У.

Description

Three-phase asynchronous crane-metallurgical electric motors with phase and square-cage rotor of such series:
MTH(F)У, MTKH(F)У, 4MTH(F)У, 4MTKH(F)У, 4MTMУ, 4MTKMУ
are designed to operate in electric drives of melting facilities and lifting devices of all types, also in other equipment of metal industry , in building and other areas; for operating in macroclimatic areas with moderate (У), tropical (T) and boreal climates (УХЛ) in the conditions determined by the placement category 1 and 2 according to GOST 15150-69.

The electric motors are manufactured in one- and two-speed versions of the mains frequency 50 and 60 Hz for nominal power 380V in connection of windings in a star and 200/380V – when connecting the stator windings in a triangle and a star. The quantity of outputs is 3 or 6, depending on the winding connection scheme.

Electric motors can be manufactured for other standard voltages from 220 to 660V.

Two-speed electric motors are manufactured for the same single voltage as one-speed motors, while high-speed and low-speed windings are connected to a star.

By agreement with the manufacturer there could be manufactured the electric motors with power from variable frequency converters (for this purpose the customer fills theconfiguration data sheet) .

Crane electric motors since 2015 can be produced in explosion-proof design.

The main typical operating mode for the electric motors is intermittent duty S3–ПВ=40% according to DSTU ІЕС 60034-1:2019;

It is possible to operate the electric motor at other modes:

– intermittent duty S3 – ПВ=15, 25, 60 and 100%;

– short-time operation S2 – 30 and 60 min.

Linkage dimensions and technical characteristics of the engines are indicated in the catalog.

The engines are produced in closed version with a degree of protection from external influences IP54 according to DSTU EN 60034-5:2015 with external blowing by its own fan on the shaft. The degree of protection of the fan cover is IP20.

Depending on the method of installation, the electric motors are designed on the
– feet (first figure is 1),
– combined – flange and feet (first figure is 2),
– with one (last figure is 1, 3) or two (last figure is 2, 4) output shaft working ends.

Decoding of electric motors markings:

MT, 4MT – series marking;

K– with short circuited rotor (the absence of the letter means that it’s a motor with phase rotor);

У – upgraded;

K– with short circuited rotor (the absence of the letter means that it’s a motor with phase rotor);

H(F) – class of insulation heat resistance;

M – redesigned ;

011, 012, 111, 112, 211, 311, 312, 411, 412, 511, 512, 611, 612, 613 – conventional size designation (the first figure) and counting number of the series (the second figure) and relative length of the stator core (the third figure) of MT series;
132, 200, 225, 280 – height of rotation axis of 4MT, mm;

S, M, L – The installation dimension along the length of the frame;

A, B – relative stator core length;

6, 8, 10 – poles quantity;

6/12, 6/16, 6/20, 4/24 – combination of pole numbers of two-speed electric motors;

B – with delayed temperature sensors PTC (these are thermistors with positive temperature coefficient of resistance). By customer’s agreement there could be installed the temperature transducers PT-100 (platinum thermocouples).

У1 (2), УХЛ1 (2), T1 (2) – climatic category type according to GOST 15150-69.

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    ENERGY EFFICIENCY

    DELIVERY ALL OVER UKRAINE AND ABROAD

    • Delivery of our products is carried out by delivery services in accordance with the deadlines.

    • Electric motors in stock. Sending in the shortest time.

    The quality system at the enterprise is certified in accordance with ISO 9001:2018

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