Title: Siemens MICROMASTER 440 (MM440) 37kW Variable Frequency Drive (VFD) - High Performance AC Inverter with Integrated Filter

Product Overview:
The Siemens MICROMASTER 440 (MM440) 6SE6440-2UD33-7EA1 is a robust and high-performance variable frequency drive (VFD) designed for demanding industrial applications requiring precise speed and torque control. This 37 kW (50 HP) AC inverter operates on a 3-phase 380-480V supply and features advanced sensorless vector control technology, ensuring optimal motor performance and energy efficiency. With an integrated Class A EMC filter, it minimizes electromagnetic interference, making it suitable for a wide range of industrial environments. The MM440 series is renowned for its flexibility, reliability, and comprehensive protection functions, making it an ideal solution for complex motion control tasks and general machinery automation. Invest in the Siemens MM440 to enhance your system's productivity, reduce operational costs, and extend equipment lifespan.

Key Features & Benefits:

High Power Output: Delivers 37 kW (50 HP) of reliable power for a broad spectrum of industrial motors and machinery.
Wide Input Voltage Range: Compatible with 3-phase AC 380-480V (+10%/-10%) power supplies, ensuring versatility in global applications.
Advanced Control Modes: Supports both V/f control and high-performance sensorless vector control for precise speed and torque regulation, even at low speeds.
Integrated EMC Filter: Features a built-in Class A (EN 55011) filter, reducing electromagnetic emissions and simplifying installation by eliminating the need for external filtering in many industrial settings.
Built-in Braking Chopper: Facilitates rapid deceleration and controlled stopping of high-inertia loads without external braking resistors in many cases, improving operational safety and efficiency.
Comprehensive Protection Functions: Includes robust protection against overload, overvoltage, undervoltage, short-circuit, ground fault, and overtemperature, safeguarding both the drive and the connected motor.
Flexible I/O Configuration: Offers multiple digital and analog inputs/outputs, allowing for extensive customization and integration with existing control systems.
Integrated PID Controller: Enables direct process control, making it ideal for applications like pumps, fans, and mixers where maintaining a set process variable is crucial.
User-Friendly Interface: Compatible with optional Basic Operator Panel (BOP) or Advanced Operator Panel (AOP) for easy parameter setting, monitoring, and diagnostics.
Energy Efficiency: Optimizes motor operation to significantly reduce energy consumption and lower operating costs, contributing to a greener industrial footprint.
Robust and Compact Design: IP20 protection class ensures durability in industrial environments, while its compact footprint saves valuable cabinet space.
Communication Capabilities: Supports USS protocol and can be expanded with optional PROFIBUS DP modules for seamless integration into automation networks.

Applications:

The Siemens MICROMASTER 440 37kW VFD is highly versatile and perfectly suited for a wide array of demanding industrial applications, including:
Cranes, Hoists, and Lifting Equipment: Provides precise speed and torque control for safe and efficient material handling.
Conveyor Systems: Ensures smooth acceleration and deceleration for various material transport applications.
Extruders and Mixers: Offers accurate speed control for consistent product quality in manufacturing processes.
Centrifuges: Manages high-speed rotation with precision and stability.
Pumps and Fans: Optimizes flow and pressure control, leading to significant energy savings in HVAC and fluid management systems.
Machine Tools: Delivers the dynamic response required for precise machining operations.
General Machinery: Ideal for any application requiring high-performance speed and torque regulation, including packaging machines, textile machines, and woodworking equipment.
Industrial Automation Systems: Integrates seamlessly into complex control architectures for enhanced operational efficiency.

Technical Specifications:

Part Number: 6SE6440-2UD33-7EA1
Alternative Part Number: 6SE64402UD337EA1
Power Rating: 37 kW (50 HP)
Input Voltage: 3 AC 380-480 V, +10%/-10%
Input Frequency: 47-63 Hz
Output Voltage: 3 AC 380-480 V
Rated Output Current: 72 A
Overload Capability: 150% for 60 seconds, 200% for 3 seconds
Integrated EMC Filter: Class A (EN 55011, EN 61800-3)
Protection Class: IP20
Cooling Method: Forced air cooling
Ambient Operating Temperature: -10 to +50 °C (14 to 122 °F)
Storage Temperature: -40 to +70 °C (-40 to 158 °F)
Control Type: V/f control, Sensorless Vector Control (SLVC)
Communication Interfaces: USS protocol (RS485), optional PROFIBUS DP
Integrated Braking Chopper: Yes
Dimensions (H x W x D): Approx. 699 mm x 275 mm x 264 mm (27.52 in x 10.83 in x 10.39 in)
Weight: Approx. 45 kg (99.2 lbs)
Standards Compliance: CE, UL, cUL, C-Tick