09.M4.S0D-3420 KEB
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The KEB 09.M4.S0D-3420 is a variable frequency drive from the M4 Variable Frequency Drives series. It supports a mains voltage range of 305 to 500 V, 3 phase input, and has a maximum rated motor power of 1.5 kW. This wall mounted module features IP65 protection and an output nominal power of 2.8 kVA.
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Product Description:
The 09.M4.S0D-3420 is a variable frequency drive built by KEB for the M4 Variable Frequency Drives series. Supplied as a self-contained wall-mounted module, it converts fixed mains power into a regulated output that can accelerate, decelerate, or maintain the speed of asynchronous motors used in conveyors, pumps, and similar equipment. The design D housing keeps its electronics enclosed while remaining compact enough for cabinet installation or direct mounting on machinery in distributed automation systems. This arrangement also allows the drive to be positioned near the motor, which can reduce the length of output power cables in large installations.
This drive accepts a three-phase supply within a voltage range of 305 to 500 V, placing it in the 400 V class. A front-end rectifier and DC link draw a nominal input current of 4.5 A, which supports proper feeder protection and cable sizing. On the inverter side, the power section delivers up to 2.8 kVA for connected motor loads. The internal logic, cooling path, and electromagnetic compatibility filters use the standard M4 design. This configuration provides the primary control and power-conversion functions without requiring field-installed accessory components for basic operation.
A mounting bracket is supplied with the wall-mounted module so the housing can be fastened outside a cabinet when available space or heat dissipation makes external installation preferable. The enclosure has an ingress protection rating of IP65, blocking dust and guarding against low-pressure water jets. The inverter supports motors with ratings up to 1.5 kW while supplying an output phase current of 4.1 A. Pulse-width modulation operates at a carrier frequency of 4 kHz, helping balance motor heating, audible noise, and switching losses. The enclosed housing and predictable cooling path support operation in industrial areas exposed to moisture or routine washdown. Appropriate cable glands and correctly sealed connections are required to preserve the enclosure protection during installation.
