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The Enerdoor FINHRM5C.380.B-50 is a passive harmonic filter with a nominal voltage rating of 0-480 Vac / 690 Vac and operates at frequencies of 50-60 Hz. This model is rated for 380 Amperes and is designed to reduce current Total Harmonic Distortion (THD) to less than 5% even with an unbalanced voltage of 2.5%.
Key technical specifications include a phase-to-phase potential test voltage of 2400 Vdc (2 sec.) and a phase-to-ground potential test voltage of 3200 Vdc (2 sec.). The filter offers overload capability of 4x rated current on switch ON, 2x In for 10 seconds, and 1.5 In for 10 minutes. It operates within a climatic class of -40 to +85° C and has an MTBF at 40°C of 250,000 hours.
This passive harmonic filter is suitable for applications such as VFDs and servo drives, processing and industrial automation, water and wastewater systems, oil & gas, and HVAC systems. It features an open frame construction and ensures compliance with IEEE519 and EN61000-3-12 standards. The filter provides low power loss and operating temperature, with remote power quality monitoring available.
0-480 Vac / 690 Vac (HV version).
-40 to +85°C.
Open frame.
380 A.
Reduces current THD to less than 5% with 2.5% unbalanced voltage.
4x rated current on switch-on, 2x In for 10 seconds, 1.5 In for 10 minutes.
250,000 hours at 40°C.