YBBP132M -4 VVVF Three-phase Asynchronous Flameproof Motor 7.5kw 50Hz

Brief Introduction

A reliable flameproof motor serves as the core drive equipment for operation within explosive‑gas hazardous areas, widely adopted in petroleum, chemical, mining and energy‑related industrial sites. Manufactured by SIMO, the YBBP flameproof variable‑frequency adjustable‑speed three‑phase asynchronous motor delivers safe, stable power output under harsh working conditions, strictly complying with international IEC explosion‑proof standards.

This flameproof motor features Ex db IIBT4 Gb explosion‑proof marking, offering dependable protection against flammable and explosive gas mixtures. It adopts Class F insulation system together with IC416 cooling method, which effectively controls temperature rise during long‑time variable‑speed running. The sample unit is rated at 7.5 kW, 50 Hz, with a wide speed adjustment range from 150 r/min to 3000 r/min. It works perfectly with frequency converters, realizing stepless speed regulation to match diverse load requirements. High‑quality bearings 6208‑2Z/C3 are fitted to reduce vibration and noise, extending the motor's service life under frequent speed variation.

Different from ordinary general‑purpose motors, this motor is specially optimized for VVVF working conditions. Its stator winding is reinforced to withstand impulse voltage brought by frequency converter output, preventing insulation damage caused by high‑frequency impacts. With high power‑factor design, it maintains excellent operating efficiency across most of the speed range, helping enterprises cut energy consumption in continuous production. The ambient operating temperature allows for 40 °C environment, suitable for heavy‑duty intermittent or continuous running scenarios.

Robust cast‑iron housing structure enhances mechanical strength, avoiding spark risks even under impact or friction. Every unit undergoes strict explosion‑proof inspection before delivery, and holds valid Ex‑certificate to satisfy global hazardous‑area application demands. Whether driving pumps, fans, conveyors or other process equipment in explosive zones, this series provides consistent torque output from low‑speed to high‑speed conditions. Users do not need to sacrifice power performance when pursuing explosion‑proof safety.

For overseas project bidding, equipment tendering and product promotion, this motor meets global industry requirements. It balances safety, efficiency and variable‑speed adaptability, becoming a preferred explosion‑proof drive solution for modern process industries. All technical parameters are traceable on the nameplate, supporting convenient on‑site installation, commissioning and routine maintenance. From component material selection to finished‑product testing, every link focuses on reliability, so end‑users can operate production lines without worrying about explosion hazards.

When selecting drive solutions for hazardous locations, choosing a qualified flameproof motor means protecting personnel safety and securing long‑term stable operation of the whole production facility. The SIMO YBBP series integrates explosion‑proof safety, variable‑speed performance and high efficiency, delivering trustworthy power support for worldwide high‑risk industrial applications.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC installation dimensions available

• Customizable

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Stator

• 99.9% pure copper winding for stator to ensure the efficiency

• Excellent insulation system with 5 more processing flows

• All the windings are fitted in by handwork to ensure all slots are full and avoid any winding flaw.

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Rotor

• Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency

• Well and precisely machined shafts with good capacity of strength and toughness

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

The YBBP  Explosion Proof Motor is widely applied in coal mine, petrochemical industry or other industry which may exposed to explosive environment. It can drive blower, water pump and other machines.

Chemistry

Coal mining

Metallurgy

Oil gas

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