SIMO YBF3 Series Explosion-Proof Motors for Fans – Technical Specifications:

Frame size: 80–355 mm; power rating: 0.75–355 kW; protection class: IP65; insulation class: F; cooling method: IC411; ambient temperature: −15 °C to +40 °C; altitude: up to 1,000 m.

SIMO YBF3 Series Explosion-Proof Motors for Fans – Model Designation:

SIMO YBF3 Series Explosion-Proof Motors for Fans – Key Features and Applicable Standards:

This series complies with GB3836.1–2010 “Explosive atmospheres – Part 1: Equipment – General requirements” and GB3836.2–2010 “Explosive atmospheres – Part 2: Equipment protection by flameproof enclosure ‘d’”, and is manufactured as flameproof-type motors. It conforms to JB/T 7565.5–2015 “Technical specifications for flameproof three-phase induction motors – Part 5: YBF3 series flameproof three-phase induction motors for fans (frame sizes 63–355)”, and also meets the requirements of MT451–1995 “General technical specifications for safety performance of low-voltage flameproof three-phase induction motors for coal mines”. These motors feature excellent performance, safe and reliable operation, and lower vibration and noise levels compared to similar products, satisfying environmental protection requirements.

The power ratings and mounting dimensions of this motor series conform to International Electrotechnical Commission (IEC) standards, and correspond identically to the German DIN42673 standard—facilitating compatibility with exported equipment and imported equipment.

SIMO YBF3 Series Explosion-Proof Motors for Fans – Application Scope and Operating Environment:

  YBF3 Series Flameproof Three-Phase Induction Motors for Fans, explosion-protection marking: Ex d I Mb. This series is suitable for underground coal mines (non-excavation working faces) where explosive gas mixtures are present.

SIMO YBF3 Series Explosion-Proof Motors for Fans – Ordering Instructions:
When placing an order, users must specify the motor model, power rating, speed, voltage, frequency, mounting type, and terminal box position (top outlet or right-side outlet):
· Motor model: (YBF3-132S1-2-5.5KW)
· Rated power: (5.5 kW)
· Rated voltage: (380 V)
· Rated frequency: (50 Hz)
· Synchronous speed: (1500 r/min)
· Mounting type: (IMB3)
· Protection class: (IP55)
· Cooling method: (IC411)
· Insulation class: (Class F) (temperature rise tested per Class B)
· Environmental conditions: (altitude 1,000 m; ambient temperature not lower than −15 °C nor higher than +40 °C)

SIMO YBF3 Series Explosion-Proof Motors for Fans – Mounting Dimensions