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B14 / B34 small flange explosion-proof motor
Author: Unknown Date: 2017-10-28 Hits:

I. scope of application

YB3 series explosion-proof three-phase asynchronous motors are based on the international advanced level of the German Siemens company's explosion-proof motor series to catch up with the target, and the basic series of explosion-proof motors designed and developed based on the actual situation of China's explosion-proof motor industry and market, is YB This series of updated products is a more advanced, safe and reliable new generation of power equipment for the coal, petroleum, chemical and other industries (frame size, power, speed, and installation dimensions are consistent with YB). This series of motors have the characteristics of high efficiency, energy saving, large temperature rise margin, long life, good performance, low noise, small vibration, advanced flameproof structure, high reliability, convenient use and maintenance.

This series of motors are made according to the requirements of GB3836.1 "Applicable Requirements for Explosion-proof Electrical Equipment for Explosive Environments" and GB3836.2 "Explosion-proof Electrical Equipment for Explosive Environments" Flameproof Electrical Equipment "d" "and refer to the provisions of IEC60079-1 Explosion-proof type. Explosion-proof marks are ExdI, ExdIIAT4, ExdIIBT4, and are suitable for use on underground mine fixed equipment (ExdI) containing methane or coal dust or in places containing Class II AB class T1-T4 flammable gas or vapours and explosive mixtures formed by air. This series of motors have the advantages of high efficiency, energy saving, high temperature rise, long life, good performance, low noise, small vibration, advanced flameproof structure, high reliability, convenient application and maintenance.

Technical parameters

1. Normal working conditions:

Ambient temperature: varies with the season, but does not exceed 40 degrees Celsius.

Altitude: no more than 1000m.

2. Rated frequency: 50Hz.

3. Rated voltage: 380V, 660V, 380 / 660V.

4. Working mode: Continuous operation working system (SI).

5. Enclosure protection level: IP55 (junction box: IP55), can also be made into IP56 / IP65 / IP66 according to customer requirements

6. Cooling method: IC411

7. Insulation class: Class F. The stator winding has a large margin of temperature rise and a long life.

Our company can design and manufacture motor products with various voltages, frequencies, and installation methods according to customer requirements, such as 220V, 440V, 660V / 1140V voltage, 60Hz frequency, and provide users with comprehensive technical services.

B14: The base has no feet, and the end cover has flanges (with screw holes).

B34: The base has feet, and the end cover has flanges (with screw holes).

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