Siemens MICROMASTER 440 Frequency inverter 6SE6440-2AD22-2BA1

Siemens MICROMASTER 440 Frequency inverter 6SE6440-2AD22-2BA1

The Siemens MICROMASTER 440 frequency inverter (part number 6SE6440-2AD22-2BA1) is designed to control AC motors in various applications. Below are the key technical features and specifications:

Typical Applications:

• Material handling (e.g., conveyors, roller tracks)
• Packaging machinery
• Pumps and fans
• Textile machines
• Tool machines
• Machining centers
• Process automation
• Applications requiring rapid torque build-up and braking functions

⚙️ Technical Specifications

General Characteristics:

• Power: 2.2 kW (3 HP)
• Input Voltage: 3-phase 380–480 V AC ±10%
• Frequency: 47–63 Hz
• Input Current: Approximately 7.5 A
• Output Current: 5.9 A
• Output Frequency: 0–650 Hz (typically up to 550 Hz)
• Overload Capability:

  • 150% for 60 seconds
  • 200% for 3 seconds
• Protection Class: IP20 (open, UL-compliant)
• Dimensions (HxWxD): 202 × 149 × 172 mm
• Weight: Approximately 3.4 kg

🔌 Inputs and Outputs

• Digital Inputs: 6 (isolated, NPN/PNP)
• Analog Inputs: 2 (0–10 V / ±10 V / 0–20 mA)
• Analog Outputs: 2 (0–20 mA)
• Relay Outputs: 3 (freely programmable)

Control and Regulation Methods

• V/f characteristics (linear, quadratic, adjustable)
• Flux Current Control (FCC)
• Sensorless Vector Control (SLVC)
• Vector control with encoder (optional)
• DC braking, integrated braking chopper
• Kinetic buffering in case of power failure
• Fast current limit (FCL)
• Positioning functions with ramp capability

Operation and Accessories

• Standard Display: SDP (Status Display Panel)
• Optional:

  • BOP (Basic Operator Panel)
  • AOP (Advanced Operator Panel) with enhanced parameterization functions
• Software Support: STARTER / SIZER tools from Siemens

Environmental Conditions

• Operating Temperature: –10 °C to +50 °C
• Storage Temperature: –40 °C to +70 °C
• Humidity: < 95% relative, non-condensing

Unique Features

• Integrated EMC filter (Class A – for industrial networks)
• Compliance with standards: EN 61800-3, EN 61000-3-2, RoHS, WEEE
• CE, UL, cUL approvals
• Ideal for precise speed, torque, and positioning control

Siemens MICROMASTER 440 Frequency inverter 6SE6440-2AD22-2BA1

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