The MP9-21021K is a high-reliability, three-section metallized polypropylene film (EC) capacitor specifically engineered for AC harmonic filtering and DC-link stabilization in industrial variable frequency drives. It features three independent 64 μF sections (total 192 μF per unit, but electrically isolated — not paralleled), rated for continuous operation at 690 VAC (50/60 Hz) and peak DC voltage up to 1100 VDC. Its robust construction includes self-healing dielectric, low ESR, high ripple current capability, and flame-retardant housing compliant with UL 94 V-0. Designed for seamless integration into ABB ACS800, ACS880, and similar high-power VFD platforms, it ensures stable bus voltage, reduced harmonic distortion, and extended drive lifespan. Mounting: M5 screw terminals; Operating temperature: −40°C to +70°C (derated above 50°C); Lifetime: ≥100,000 hours at rated voltage and 40°C ambient.
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