Siemens 6SE6440-2UD41-1FB1 MICROMASTER 440 Drive - 132kW Industrial Power

The Siemens 6SE6440-2UD41-1FB1 delivers exceptional performance for heavy-duty motor control applications. This advanced frequency drive combines robust power handling with precise speed regulation capabilities.

Product Overview & Key Specifications

• Brand & Series: Siemens MICROMASTER 440
• Model Number: 6SE6440-2UD41-1FB1
• Product Category: Variable Frequency Drive
• Power Rating: 132kW low overload capacity
• Voltage Class: 380-480V three-phase system
• Control Method: V/f control and sensorless vector

Electrical Performance & Power Characteristics

• Input Voltage Range: 3AC 380-480V ±10% flexible
• Input Frequency: 47-63Hz wide operation range
• Rated Input Current: 245A LO / 200A HO rating
• Output Power Capacity: 132kW LO / 110kW HO
• Output Current Rating: 250A LO / 205A HO
• Switching Frequency: 4kHz standard operation

Overload Capacity & Dynamic Performance

• Low Overload Capability: 150% for 1s, 110% for 59s
• High Overload Performance: 136% for 57s continuous
• Cycle Time: 300 seconds overload cycle
• Torque Response: <100ms for full torque application
• Speed Accuracy: ±0.5% of maximum speed
• Efficiency Rating: 97% energy efficient operation

Control Features & Programming Capabilities

• Frequency Range: 0-267Hz output frequency
• Control Modes: V/f, sensorless vector, torque control
• Digital Inputs: 3 programmable inputs standard
• Analog Inputs: 2 configurable 0-10V/4-20mA
• Relay Outputs: 2 programmable relay contacts
• Communication: RS-485 interface standard

Environmental Specifications & Durability

• Operating Temperature: 0°C to +40°C both LO and HO
• Storage Temperature: -40°C to +70°C safe range
• Cooling Method: Internal fan cooling system
• Protection Class: IP20 enclosure standard
• Humidity Range: 5% to 95% non-condensing
• Altitude Rating: Up to 1000m without derating

Installation & Mounting Requirements

• Ensure adequate clearance for proper ventilation
• Follow specified torque for power terminals
• Use appropriate line and load reactors when needed
• Implement proper grounding and shielding practices
• Verify motor compatibility and cable specifications
• Allow sufficient space for cable bending radius

Package Contents & Accessories

• One MICROMASTER 440 drive unit
• Installation and operation manual
• Parameter setting documentation
• Mounting brackets and hardware
• Protective covers and labels
• Quality verification certificate

Shipping & Delivery Options

• Express worldwide shipping via FedEx, UPS, DHL
• Professional packaging for industrial equipment
• Tracking information provided upon shipment
• Customs documentation prepared
• Insurance coverage available
• Quick order processing time

Professional FAQ

• What motor types work with this frequency drive?
• The drive controls standard three-phase asynchronous motors. It supports both constant torque and variable torque applications with proper parameterization.
• Can I operate this drive without a braking resistor?
• Yes, for most applications the built-in dynamic braking suffices. For high-inertia loads or rapid cycling, we recommend an external braking resistor.
• What programming tools work with this MICROMASTER model?
• You can use the built-in keypad for basic programming. For advanced setup, Siemens Drive ES or STARTER software provides comprehensive parameter access.
• How does the overload protection function work?
• The drive monitors output current and temperature continuously. It automatically reduces output or trips when exceeding programmed overload limits for safety.
• What maintenance does this drive require?
• Regularly check and clean cooling fans and heat sinks. Monitor electrolytic capacitors and replace them according to the manufacturer's recommended schedule.

Warranty & Support Information

• 12-month comprehensive product warranty
• Technical support for installation and setup
• Application engineering assistance available
• Replacement service for warranty claims
• Documentation and software support

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