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R911226001 (KDF 1.2-050-500-W0-220)

KDF Variable Frequency Drives

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1 Year Warranty Included
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The Bosch Rexroth R911226001 (KDF 1.2-050-500-W0-220) is a variable frequency drive designed for industrial automation applications. It supports a rated current of 50 A and requires a DC bus voltage of 500 VDC, with operational compatibility for servo motors at variable speeds. The device incorporates an AC 220V blower for thermal management and is housed in an enclosure rated IP20, providing resistance against solid particles larger than 50 mm but no protection against liquids. The unit features H1 and H2 diagnostic indicators and an automatic shutdown mechanism for operational safety. It can function in environments with ambient temperatures up to +55°C and relative humidity up to 75% non-condensing. The drive can be installed at elevations up to 1000 meters above sea level.

Technical Specifications

Product Type
Variable Frequency Drive

Rated Current
50 A

DC Bus Voltage
500 VDC

Blower Unit Voltage
AC 220V

Protection Category
IP20

Display
H1 and H2 Diagnostic Display

Maximum Ambient Temperature
+55 degree Celsius

Maximum Humidity
75% (without condensation)

Maximum Installation Height
1000 m/sea level

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