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Manufactured by Julante—an enterprise with 30+ years of professional motor production experience—this motor combines robust performance with strict explosion-proof standards. Key specifications include a rated power of 5.5KW, dual operating voltage of 380/660V three-phase AC, rotational speed of 2925 R/min, IP66 protection rating, and compliance with IE2/IE3 efficiency standards. Its core design features a totally enclosed structure and explosion-proof casing that prevent internal sparks from igniting external flammable substances, meeting IEC explosion-proof regulations for safe use in Zone 1 and Zone 2 hazardous areas. The YBX series also incorporates premium components: 100% copper core coils, high-quality cold-rolled silicon steel sheets, and rust-proof precision bearings, ensuring durability, low noise, and a 1-year warranty. It is ideal for chemical plants, pharmaceutical facilities, oil refineries, and other high-risk industries, balancing safety, efficiency, and versatility.
IEC Explosion-Proof Standards: The motor complies with IEC 60079 standards for explosion protection, featuring a flameproof enclosure that contains internal explosions (e.g., from short circuits) and prevents flame propagation to the external environment. This makes it suitable for Zone 1 (occasional flammable gas presence) and Zone 2 (rare flammable gas presence) areas.
Totally Enclosed Structure: The fully sealed design isolates internal components (e.g., coil, rotor) from external flammable dust, gases, or liquids. This eliminates the risk of foreign substances entering the motor and causing sparks or overheating.
IE2/IE3 Efficiency Options: Customers can choose between IE2 (efficiency ≥ 92.5%) or IE3 (efficiency ≥ 93.5%) models to match their energy-saving goals. The IE3 variant reduces annual energy consumption by 5-10% compared to standard explosion-proof motors, aligning with global sustainability initiatives.
380/660V Dual Voltage: The dual-voltage design provides flexibility for different industrial power systems. Users can switch between 380V (common in low-voltage industrial grids) and 660V (used in high-power mining or chemical facilities) via terminal block adjustments, eliminating the need for separate motor models.
2925 R/min High Speed: The motor’s high speed delivers strong torque (rated torque of 17.8 N·m), making it suitable for high-load equipment like chemical pumps, compressors, and conveyor systems in hazardous areas.
IP66 Protection Rating: The highest protection level for industrial motors, IP66 ensures complete dustproofing and protection against high-pressure water jets (e.g., heavy rain, industrial cleaning). This makes the motor suitable for outdoor hazardous areas or facilities with frequent washing.
100% Copper Core Coil: The coil is made of pure copper with thick, flame-retardant insulation, which resists high temperatures and prevents short circuits. This design extends the coil’s service life and ensures stable power output of 5.5KW.
Cast Iron Casing: The heavy-duty cast iron housing is corrosion-resistant (treated with anti-rust paint) and impact-proof, withstanding harsh conditions in chemical plants or oil refineries. It also reduces operational noise to less than 75dB.
CSA Security Certification: The motor has passed CSA’s strict testing, including explosion-proof performance, insulation resistance, and temperature rise, ensuring compliance with North American and global safety standards for hazardous locations.
Customizable Logo & Color: The motor’s logo and casing color can be customized to match corporate branding or specific workshop safety color codes (e.g., red for high-risk areas). Contact the manufacturer for customization lead times and requirements.
Comprehensive After-Sales Service: Julante provides pre-sales technical consultation (e.g., voltage selection, installation guidance) and post-sales support, including 1-year warranty coverage for manufacturing defects. Spare parts (e.g., bearings, coils) are available for lifetime use, ensuring long-term operational continuity.
The YBX explosion-proof motor is a critical component in high-risk chemical and oil-gas operations:
Chemical Pumps: Powers pumps for transferring flammable solvents (e.g., ethanol, benzene) or corrosive liquids, ensuring no sparks ignite the surrounding atmosphere.
Oil Refinery Equipment: Drives conveyor belts for crude oil transportation, or compressors for natural gas processing, where explosive gases are present.
Paint & Coating Facilities: Operates mixers for paint or coating materials (which contain flammable solvents), preventing ignition from motor sparks.
Pharmaceutical Manufacturing: Powers mixing machines for drug formulations (some involving flammable excipients) or drying equipment, where dust explosion risks exist. The motor’s sealed design also prevents contamination of pharmaceutical products.
Textile Mills: Operates spinning machines or lint collectors in cotton or synthetic fiber mills, where lint dust can be explosive. The IP66 protection prevents dust accumulation inside the motor.
Mining Machinery: Drives small conveyors or pumps in coal mines (where methane gas is a hazard) or metal mines (with flammable dust), ensuring safe operation in underground hazardous areas.
Laser Cutting Equipment: Powers exhaust fans for laser cutting machines (which generate flammable debris from materials like plastic or wood), preventing dust explosions in the workspace.
The YBX series comes with a 1-year warranty from the date of delivery. The warranty covers defects in materials or manufacturing, such as:
Coil burnout caused by poor insulation (not due to overvoltage or improper use);
Bearing failure resulting from manufacturing defects (not due to lack of lubrication);
Casing cracks caused by material flaws (not due to impact or corrosion from harsh chemicals).
Damage from improper operation (e.g., using the motor in a Zone 0 hazardous area, exceeding voltage limits) or normal wear and tear is not covered. Contact the manufacturer within 48 hours of discovering a defect to initiate a warranty claim.
IP66 protection is essential for explosion-proof motors for two key reasons:
Dust Prevention: IP66’s complete dustproofing prevents flammable dust (e.g., lint, coal dust) from entering the motor. Dust accumulation can cause overheating, which may generate sparks and trigger explosions in hazardous environments.
Water Protection: High-pressure water resistance (IP66) avoids water ingress, which could cause short circuits or coil damage. Short circuits are a major source of sparks—IP66 ensures the motor’s explosion-proof function remains intact even in wet conditions (e.g., outdoor oil refineries, washed chemical plants).
Standard motors often have IP55 protection, which is insufficient for hazardous areas as it allows limited dust entry over time.
Yes, the YBX series is designed for both indoor and outdoor use in hazardous areas, thanks to its IP66 protection rating and corrosion-resistant cast iron casing. However, specific precautions apply for outdoor use:
Temperature Adaptation: The motor operates reliably in -20℃ to 40℃ environments. For temperatures below -20℃, install a heater to prevent bearing lubricant from freezing.
Sunlight Protection: Prolonged exposure to direct sunlight may cause the casing to overheat. Install a sunshade or protective cover to reduce heat absorption.
Water Drainage: Ensure the motor is mounted on a raised, level surface to prevent water pooling around the base—this avoids corrosion of the mounting hardware and terminal box.
Always consult the manufacturer’s installation guide to confirm compatibility with your specific outdoor hazardous location (e.g., Zone 2 outdoor areas with flammable gas).
