21-H Series
Certifications
The 21-H Series three-phase high-voltage motors deliver up to 8,000 kW with rugged steel construction, copper bar rotors, and multiple cooling configurations—offering high efficiency, low noise, and seamless compatibility with variable frequency drives across all industrial applications.
High-Efficiency Motors Built for Global Demands
The 21-H series three-phase high-voltage motors are designed for all applications and industries. The 21-H Series is compatible with variable frequency drive applications.
- Up to 8,000 kW (10,708 HP)
- WP2, TEAAC, TEWAC Rugged, fabricated steel construction
- Designed to meet worldwide standards
- Fabricated copper bar rotor construction
- C5 steel lamination
- High Efficiency
- Low noise
21-H Series Motors Features and Benefits
Design Feature
- Excellent Electrical Design
- Extensive electrical magnetic field analysis
- Heat transfer analysis
- Improved ventilation
- Unique Modular Construction
- Advanced techniques in core and frame construction
- Advanced VPI Insulation System
- Culture of quality and continuous improvement
Customer Benefit
- Increased efficiency
- Higher power factor
- Superior starting characteristics,
- Compact Design requires smaller space and lighter foundation,
- Easy motor enclosure conversions between WP2, TEAAC, TEWAC.
- Lower noise and vibrations address health and reliability concerns,
- Can withstand higher surges of power,
- Low operating and maintenance costs,
- High reliability.
- Extended re-greasing intervals.
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