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Siemens MICROMASTER 6SE6440-2UE21-5CA1

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6SE6440-2UE21-5CA1

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The Siemens 6SE6440-2UE21-5CA1 is part of the MICROMASTER series, functioning as a variable frequency drive. It operates with a 3-phase 500 to 600 VAC input. This unit is rated for 1.5 kW at constant torque and goes up to 2.2 kW for variable torque applications, enabling a wide range of control functionalities.

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Technical specifications for 6SE6440-2UE21-5CA1

ManufacturerSiemens
Product LineMICROMASTER
Part Number6SE6440-2UE21-5CA1
UPC783087635999
Weight4.94 lbs (2.24 kg)
Input Voltage500 - 600 VAC
Phase Type3-Phase
Input Frequency47 - 63 Hz
Output Frequency0 - 650 Hz
Rated Power at Constant Torque1.5 kW
Rated Power at Variable Torque2.2 kW
Rated Current at Constant Torque2.7 A
Rated Current at Variable Torque3.9 A
EfficiencyApprox. 96%
Power Factor0.95
Operating Temperature-10 to 50 °C
Storage Temperature-40 to 70 °C
Cooling MethodInternal Fan
Protection ClassIP20
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The Siemens MICROMASTER model 6SE6440-2UE21-5CA1 drive is engineered for flexibility and efficiency. Accepting an input voltage range of 500 to 600 VAC, this 3-phase unit operates within an input frequency range from 47 Hz to 63 Hz. The output frequency capabilities can reach up to 650 Hz, making this drive suitable for various motor control applications.

This device is rated for continuous use at 1.5 kW under constant torque conditions while achieving 2.2 kW under variable torque scenarios. The drive has current ratings of 2.7 A when operating under constant torque and 3.9 A when varying torque, promoting efficient operational capabilities.

The drive operates with an efficiency of approximately 96% and has a power factor of 0.95. It is designed for ambient temperatures ranging from -10 °C to 50 °C and can withstand storage temperatures between -40 °C and 70 °C, ensuring versatility in various environments. Active cooling is provided by an internal fan, allowing optimal performance.

The dimensions of the device measure 245 mm in height, 185 mm in width, and 195 mm in depth, making it compact enough for integration into different setups. With an IP20 protection class, it protects against solid objects larger than 12 mm but is intended for indoor use where exposure to moisture or dust is limited.