YBT-H Series Explosion Proof Three-phase Marine Induction Motor for Ventilator

YBT-H the motors are designed and manufactured according to National Standard GB3836.1“Electric apparatus for explosive gas atmosphere-part 1: general requirement” and GB3836.2“Electric apparatus for explosive gas atmosphere –part2: flameproof enclosure “d”. It has the feature of high efficiency. Big rotation moment .low noise and convenient protection. The protection type of the motor is Exd II BT4, EdII CT4, It can be used on the mixture air of easy-ignition or steam and atmosphere that can be brought on explosion. This series can be matching with CBZ-II flameproof ventilating machine on board ship.

YBT-H Series Flameproof Three-phase Marine Induction Motor for Ventilator Operation Condition:

Ambient Temperature: -25~45℃;

Altitude: <1000m;

Relative Humidity: ≤95%;

Inclination and Swing: ±22.5℃(The longitudinal and lateral tilt might happen);

Oil-mist, salt-mist, fungus and sea water exist;

Shock and vibration might happen during shipping;

In air there might be existent explosive mixture which compounds with temperature class T1~T4 easy-ignition air or steam and air.

YBT-H Series Flameproof Three-phase Marine Induction Motor for Ventilator Basic Parameters:

Power: 0.75~55kW

Voltage: 380V 440V or 660V

Frame Size: 80~250

Frequency: 50Hz or 60Hz

Ambient Temperature: -20℃~40℃

Insulation Class: F

Degree of Protection: IP55、IP56

Explosion-proof Mark: Exd IICT4 Gb

Duty: S1

Connection: 3kW or less than 3kW connected Y, the others connected △

Temperature rise of winding(resistance method)shouldn’t exceed 80K, allowed temperature of bearing(thermometer method)shouldn't exceed 90℃.

Installation Dimension:

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