6SE6400-2UD21-5AA1

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Overview of Siemens 6SE6400-2UD21-5AA1

The Siemens 6SE6400-2UD21-5AA1 is a MICROMASTER 440 variable frequency drive (VFD) designed to control three-phase motors with a rated power of 1.5 kW. It operates with a 3 AC 380–480 V ±10% input voltage and supports a frequency range of 0.1 to 650 Hz. The drive is built for constant torque applications in industrial environments with a compact design and integrated cooling fan.

Key Features of Siemens 6SE6400-2UD21-5AA1

  • Power rating: 1.5 kW constant torque at 380–480 V 3-phase supply.
  • Overload capacity: 150% for 60 seconds and 200% for 3 seconds for short-term peak loads.
  • Control: Supports V/f control with a frequency range up to 650 Hz (limited to 550 Hz in production).
  • Inputs/outputs: 6 programmable digital inputs, 2 analog inputs, 2 analog outputs, 3 relay outputs.
  • Protection and cooling: IP20 rated enclosure with integrated fan cooling.
  • Dimensions: 173 mm (H) x 73 mm (W) x 149 mm (D) compact footprint for DIN rail mounting.
  • Operating temperature: -10 to +50 °C suitable for typical industrial conditions.

Technical Specs

Parameter Specification
Rated Power 1.5 kW / 2.0 hp
Input Voltage 3 AC 380–480 V ±10%
Input Current 5.9 A
Output Current 4.1 A
Frequency Range 0.1 to 650 Hz (limited to 550 Hz in production)
Overload Capacity 150% for 60 s; 200% for 3 s
Protection Class IP20 / UL open type
Weight Approx. 1.3 kg
Operating Temperature -10 to +50 °C
Dimensions (H x W x D) 173 x 73 x 149 mm
Mounting DIN rail

Applications / Use Case

The Siemens 6SE6400-2UD21-5AA1 is ideal for industrial automation applications requiring reliable speed control of three-phase motors. It is widely used in pumps, fans, conveyors, and other machinery where constant torque is essential.

Siemens offers full warranty and robust technical support to ensure reliable installation and operation.

6SE6400-2UD21-5AA1

$0.00

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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