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The Enerdoor FINHRM.150.M is a passive harmonic filter engineered to reduce current harmonic distortion and overvoltage spikes in electrical systems. It operates at a nominal voltage of 400/480 Vac and is rated for 150A.
Key technical specifications include a potential test voltage of 2400 Vdc phase-to-phase and 3200 Vdc phase-to-ground. The filter offers significant overload capability, handling 4x rated current on switch-on, 2x rated current for 10 seconds, and 1.5x rated current for 10 minutes. It operates within a climatic class of -40°C to +85°C and has an MTBF of 250,000 hours at 40°C.
The FINHRM.150.M provides a THDI reduction of less than 15%, with THDI dropping below 10% when used with a DC reactor. It features screw terminal connections suitable for solid or stranded cable sizes from 35-95 mm², with a terminal torque of 20 Nm. The filter has an IP20 protection rating.
This passive harmonic filter is suitable for applications such as variable frequency drives, woodworking machinery, packaging machinery, and printing machinery, where harmonic mitigation is crucial for system performance and longevity.
The nominal voltage is 400/480 Vac, with 600 Vac available upon request.
The operating temperature range is -40 to +85 degrees C.
The rated current is 150 A.
The filter can handle 4x rated current for switch ON, 2x for 10 seconds, and 1.5x for 10 minutes.
THDI is reduced to less than 15% (less than 10% with a DC reactor).
The enclosure is rated IP20.
The screw terminals accept solid or stranded cable from 35 to 95 mm².