Description
The Siemens 6SE6440-2UD22-2BA1 is a MICROMASTER 440 frequency inverter designed for precise motor speed control in industrial applications. It operates on a 380–480 V three-phase supply and delivers 2.2 kW output power with high overload capability. This drive is engineered for flexible control of both constant and variable torque loads.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Industrial Automation |
| Part Number |
6SE6440-2UD22-2BA1 |
| Subcategory |
Variable Frequency Drives |
| Series |
MICROMASTER 440 |
| Input Voltage |
380–480 V AC (±10%) |
| Input Frequency |
47–63 Hz |
| Input Phases |
3 Phase |
| Rated Input Current |
7.5 A |
| Output Voltage |
0–480 V AC |
| Output Current |
5.9 A |
| Rated Power |
2.2 kW / 3 HP |
| Overload Capacity |
150% (60 s), 200% (3 s) |
| Output Frequency Range |
0–650 Hz |
| Pulse Frequency |
4 kHz |
| Digital Inputs |
6 |
| Analog Inputs |
2 |
| Analog Outputs |
2 |
| Relay Outputs |
3 |
| Motor Protection |
PTC/KTY Interface |
| Protection Rating |
IP20 |
| Frame Size |
FSB |
| Dimensions (H x W x D) |
202 x 149 x 172 mm |
| Operating Temperature |
-10 °C to +50 °C |
| Weight |
3.3 kg |
Information About 6SE6440-2UD22-2BA1
The 6SE6440-2UD22-2BA1 is part of the Siemens MICROMASTER 440 series, known for its versatility in controlling motors across a wide range of industrial processes. It supports both constant torque and variable torque applications, making it suitable for conveyors, pumps, and fans. The drive features advanced V/f control with output frequencies up to 650 Hz, enabling precise speed regulation and energy efficiency. Designed with integrated I/O, multiple control interfaces, and compact FSB frame construction, it provides reliable performance in automation systems without requiring an additional operator panel.
Key Features:
- Variable Frequency Drive (VFD): Enables efficient motor speed and torque control
- 2.2 kW Power Output: Suitable for medium-duty industrial motor applications
- Wide Input Voltage Range: Operates on 380–480 V AC with ±10% tolerance
- High Overload Capacity: 150% for 60 seconds and 200% for 3 seconds
- V/f Control Mode: Output frequency range from 0 to 650 Hz for flexible control
- 3-Phase Input and Output: Designed for industrial three-phase systems
- Integrated I/O Interfaces: Includes digital, analog, and relay outputs for control flexibility
- Pulse Frequency: 4 kHz for smooth motor operation
- Compact FSB Frame: Space-saving design for panel installation
- Built-In Motor Protection: Supports PTC/KTY temperature monitoring
- Multiple Outputs: 3 relay outputs for alarms and control functions
- Robust Design: IP20 protection for industrial environments
- No Operator Panel Included: Designed for integration with external control systems
The 6SE6440-2UD22-2BA1 delivers the reliability and precision required for variable speed motor control in industrial automation systems.