Single Phase 0.55 kW B14 Flange Motors

Description A 5 HP flange motor is a three-phase AC induction motor designed for mounting via a flange interface, suitable for driving pumps, compressors, fans, blowers, and various industrial machinery. Flange mounting provides compact installation and alignment flexibility. General Specifications Power Rating: 5 HP (3.7 kW) Duty Type: S1 – Continuous Mounting Type: Flange mounted (B5) or Foot-cum-Flange (B35) Frame Size: Typically 112M / 132M (varies by manufacturer) Enclosure Type: TEFC (Totally Enclosed Fan Cooled) Cooling Method: IC411 (surface cooling with external fan) Electrical Data Rated Voltage: 415 V ±10% (3-phase AC) Frequency: 50 Hz ±5% Rated Current: ~9–10 A (depending on voltage and efficiency) Power Factor: 0.82–0.88 Efficiency: 82–87% (IE2 / IE3 class) Insulation Class: F (temperature rise within Class B limits) Protection: IP55 – dust and water jet resistant Mechanical Specifications Shaft Material: High-grade steel, precision machined Bearings: Deep groove ball bearings, grease-lubricated Direction of Rotation: Bi-directional (reversible) Shaft Extension: Keyed shaft with standard dimensions Housing Material: Cast Iron / Fabricated Steel Paint Finish: Corrosion-resistant enamel Performance Data Rated Speed: 2-pole: ~2900 RPM 4-pole: ~1440 RPM Starting Torque: 150–200% of rated torque Noise Level: ≤ 75 dB at 1 m distance Vibration Level: Within IS 12075 / IEC 60034 limits Standards & Compliance Design Standards: IS 325 / IEC 60034 / IS 12615 (Energy Efficient Motors) Testing Standard: IS 4029 / IEC 60034-2-1 Energy Efficiency Compliance: IE2 / IE3 Operating Conditions Ambient Temperature: -15°C to +50°C Altitude: Up to 1000 m above sea level without derating Cooling Air: Clean and non-corrosive environment Key Features Compact flange mounting for easy installation High efficiency, low energy consumption Rugged design for industrial environments Low vibration and noise operation Suitable for coupling with pumps, compressors, and gearboxes Easy maintenance and long service life Applications Pumps and blowers Industrial compressors Conveyor systems and material handling Fans and cooling equipment Machine tools and mixers HVAC and utility drives