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1. CQC,CCC,CE certification, 2. Passed ISO9001:2008 assessment, 3. Ex marking Exd I, Exd II AT4 and Exd II BT4, 4. IEC 60034 - details see: https://www.machineto.com/yb2-series-flameproof-three-phase-asynchronous-motor-explosion-proof-motor-10236489

YB2 series flameproof three phase asynchronous motor

Features of YB2 series flameproof motor

1, Cast iron housing (frame), end shields & terminal box;
2, Motors are made to heavy duty service factors;
3, Vacuum impregnated windings;
4, High performance and efficiency;
5, Available size: H80 ~ H280, with 2/4/6/8 poles;
6, Rated output: 0.18KW ~ 90KW (0.25HP ~ 120HP) ;
7, Mounting arrangements: B3, B5, B35;
8, Mounting dimensions according to IEC60072-1: 1991;

Operating Conditions:

Ambient temperature: -15°C ~ 30°C(Mines),

-15°C~ 40°C(Factories)

Altitude: not exceed 1000 meters

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

Rated Frequency: 50Hz

Connection: Output ≤ 3KW, ‘Y’ connection

Output ≥ 4KW, ‘Delta’ or ‘Delta/Y’connection

Duty: Continuous (S1)

Ingress Protection: IP55

Insulation class: Class F

Cooling method: IC411

Brief introduction:

YB2 series flameproof three phase asynchronous motor is the basic explosion-proof motor product, which is developed by combining current market and domestic flameproof motor industry, and is also the new generation product of YB series flameproof motor. YB2 series motors have the features of high efficiency, safety and reliable, are mainly applied in coal mines,petrochemicalindustry and chemical industry.

The flameproof performance of YB2 series motors are comply with Chinese National Standard GB3836.1-2010 “Explosive atmospheres-Part 1: Electrical equipment-General requirements”, and GB3836.2-2010 “Explosive atmospheres-Part 2: Electrical equipment protection by flameproof enclosures ‘d’”, also comply with IEC 60079-0 & IEC 60079-1.

We supply YB2 series motors with Ex marking ExdⅠ, ExdⅡAT4 and ExdⅡBT4, ExdⅠis intended for mines where the atmosphere, in addition to firedamp, may contain significant proportions of other flammable gases; While ExdⅡAT4 and ExdⅡBT4 are intended for use in places with an explosive gas atmosphere other than mines susceptible to firedamp, A denote a typical gas is propane, B means a typical gas is ethylene, and the atmosphere temperature is T1, T2, T3, T4.

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