Variable Frequency Drive | Siemens | 6SE6440-2UD27-5CA1 6SE6 440-2UD27-5CA1 MICROMASTER440 without filter

Product Description: Siemens 6SE6440-2UD27-5CA1

The Siemens 6SE6440-2UD27-5CA1 is a MICROMASTER 420 frequency inverter, designed for controlling 3-phase motors in various industrial applications. It features a power rating of 7.5 kW with overload capability (150% for 60 seconds and 200% for 3 seconds) and provides an output current of 22 A. This inverter operates with a 3-phase 380–480 V AC input, making it suitable for applications such as pumps, fans, conveyors, and compressors. The unit offers multiple control modes including V/f and Sensorless Vector Control (SVC) for optimized motor performance and energy efficiency. It also includes integrated braking functions, enhancing energy recovery and improving system performance.

Key Features

• Rated Motor Power: 7.5 kW (constant torque) / 11 kW (peak overload)
• Input Voltage: 3-phase 380–480 V ±10%, 47–63 Hz
• Rated Input Current: 22 A
• Rated Output Current: 19 A
• Control Methods: V/f, Sensorless Vector Control (SVC)
• Integrated Braking Chopper: for dynamic braking and energy recovery
• Interfaces: RS-485 (USS/Modbus RTU), digital and analog I/O, optional fieldbus modules
• Cooling: Internal fan, IP20 housing
• Configuration: Keypad, STARTER software, or optional BOP/AOP operator panel

Technical Specifications

• System Series: MICROMASTER 420
• Module Type: Frequency Inverter
• Input Voltage: 3-phase 380–480 V ±10%
• Rated Motor Power: 7.5 kW
• Rated Input Current: 22 A
• Rated Output Current: 19 A
• Control Methods: V/f, Sensorless Vector Control (SVC)
• Braking Unit: Integrated chopper
• Communication Interface: RS-485 (USS/Modbus RTU), I/O
• Cooling Method: Internal fan
• Protection Class: IP20
• Dimensions (W × H × D): Approx. 149 mm × 184 mm × 150 mm
• Operating Temperature Range: -10 °C to +50 °C (derating above +40 °C)
• Certifications: CE, UL, cULus, RoHS

Application Areas

• Speed-controlled drives for pumps, fans, and compressors
• Conveyors and material handling systems
• OEM machine control and process automation systems
• Industrial machinery requiring reliable and efficient motor control

Advantages

• High overload capacity for demanding cycle loads
• Integrated braking functionality for energy recovery
• Flexible control modes for efficient motor operation
• Easy integration with Siemens automation systems using STARTER or optional operator panels