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The Enerdoor FIN958.042.M is a high-frequency differential choke engineered for motor protection applications. With a nominal voltage rating of 600 Vac and a rated current of 42A, this choke provides excellent attenuation to reduce dV/dt, safeguarding motors from voltage spikes.
Key electrical specifications include an output frequency range of 0-1000 Hz and a carrier frequency (PWM) of 0-16 kHz. It has a high potential test voltage of 2400 Vdc phase-to-phase and 3200 Vdc phase-to-ground. The choke is designed with terminal block connectors for easy connection and has an IP20 protection rating.
This differential choke is suitable for use with motors, high-speed pumps, woodworking machinery, and spindle motors in closed-loop systems. It offers low power loss up to 1 kHz frequency output and is built to withstand a climatic class of -40°C to +85°C, with an MTBF of 250,000 hours at 40°C.
Mechanical details include dimensions of 100 x 90 x 35 mm and a weight of 2.5 Kg. The choke supports solid cable sizes from 0.2 to 10 mm² and stranded cable sizes from 0.2 to 6 mm², with a terminal torque of 1.2 Nm.
The nominal voltage is 0/600 Vac.
The rated current is 42 A.
The operating temperature range is -40 to +85°C.
The IP protection rating is IP20.
The weight is 2.5 kg.
The warranty period is 2 years.