MT/T 249-1997: Flameproof mining type double speed three-phase induction motors

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Scope

This standard specifies the classification and nomenclature, technical
requirements, test methods, inspection rules, marking, packaging,
transportation and storage of flameproof mining type double speed three-phase
induction motors.
This standard applies to the flameproof mining type double speed three-phase
induction motors as supported for the conveyors of the coal mine work face,
AND it is also applicable to the flameproof mining type double speed three-
phase induction motors as used on such mechanical equipment as plow
(hereinafter shortly referred to as motor).

Basic Data

Standard ID	MT/T 249-1997 (MT/T249-1997)
Description (Translated English)	Flameproof mining type double speed three-phase induction motors
Sector / Industry	Coal Industry Standard (Recommended)
Classification of Chinese Standard	K25
Classification of International Standard	29.160.30
Word Count Estimation	16,145
Date of Issue	9/20/1991
Date of Implementation	1/1/1992
Older Standard (superseded by this standard)	MT 249-1991
Quoted Standard	GB 191-1990; GB/T 755-1987; GB/T 997-1981; GB/T 1032-1985; GB 1971-1980; GB/T 1993-1993; GB/T 2423.4-1993; GB 3836.1-1983; GB 3836.2-1983; GB 3836.3-1983; GB/T 4772-1984; GB/T 4826-1984; GB/T 4942.1-1985; GB/T 10068-1988; GB/T 10069-1988; GB/T 10111-1988; GB/T 13384-1992; JB/Z 293-1987; JB/Z 294-1987
Summary	This standard specifies the flameproof two-speed three-phase asynchronous motors product classification and nomenclature, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to coal mine face conveyor supporting the mine using flameproof two-speed three-phase asynchronous motors are also suitable for use flameproof two-speed three-phase asynchronous motors on the plow, and similar conditions of machinery and equipment (hereinafter referred to as the motor).