Siemens 6SE6440-2AC24-0CA1 MICROMASTER 440 4 kW Inverter
Compact 200-240 V AC drive for 4 kW constant-torque and 5.5 kW variable-torque motor applications.
01Technical Summary
Siemens 6SE6440-2AC24-0CA1 is a MICROMASTER 440 frequency converter for 200 to 240 V three-phase supplies. It combines a built-in Class A EMC filter with 4 kW constant-torque and 5.5 kW variable-torque ratings. Siemens specifies selectable control methods, configurable digital and analog I/O, overload capacity and an IP20 enclosure for cabinet installation. The exact electrical rating, motor data, control mode and parameter backup must be verified before replacing an installed drive.
02Specifications
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SE6440-2AC24-0CA1 |
| Product Family | MICROMASTER 440 |
| Input Supply | 200 to 240 V AC, 3-phase, ±10% |
| Input Frequency | 47 to 63 Hz |
| Integrated Filter | Class A EMC filter |
| Constant-Torque Rating | 4 kW / 5 hp |
| Variable-Torque Rating | 5.5 kW / 7.5 hp |
| Rated Output | 7.7 kVA |
| Output Current | 17.5 A constant torque; 22.0 A variable torque |
| Overload Capability | 150% for 60 s; 200% for 3 s |
| Protection | IP20 |
| Ambient Temperature | -10 to +50 °C |
| Operator Panel | Supplied without AOP or BOP |
03Features
Key Functions
- Built-in Class A EMC filtering supports appropriately engineered industrial installations.
- Provides separate constant-torque and square-law variable-torque ratings.
- Offers configurable digital and analog inputs and outputs for machine control.
- Supports V/f and vector-oriented control functions documented for MICROMASTER 440.
- Provides short-duration overload capacity for demanding acceleration and process conditions.
- Accepts optional operator panels and communication accessories matched to the drive generation.
Identification
- Manufacturer: Siemens
- Model: 6SE6440-2AC24-0CA1
- Product Type: MICROMASTER 440 variable-frequency drive with integrated Class A filter
- Status: Cancelled product; spare part
04Compatibility
- Use only with a 200 to 240 V three-phase supply within the documented tolerance and frequency range.
- Match motor voltage, current, frequency, power, duty and connection before commissioning.
- Preserve the original parameter set and verify every digital input, analog signal, relay and communication option.
- Confirm cabinet cooling, clearances, grounding, shield termination and EMC installation practice.
- The built-in Class A filter does not remove the need to evaluate the complete installation and cable length.
- Check frame size, terminals, braking arrangement, operator panel and fieldbus hardware before exchange.
05Replacement
- Siemens identifies this article as a cancelled spare-part product.
- Siemens provides migration guidance through SIOS entry 109746454; selection must be based on the complete application.
- Do not select a successor only by kilowatt rating because supply, overload duty, I/O, control mode and mechanics must match.
- Back up parameters and record motor nameplate data, terminal assignments, fieldbus addresses and protection settings.
- After replacement, perform motor identification where required and validate rotation, limits, ramps, interlocks, safety circuits and process operation.
06FAQ
Which motor-power ratings apply to 6SE6440-2AC24-0CA1?
Siemens specifies 4 kW for constant-torque duty and 5.5 kW for square-law variable-torque duty.
Does this MICROMASTER 440 include an EMC filter?
Yes. The exact article includes a built-in Class A EMC filter.
What input supply is required?
It is designed for 200 to 240 V AC three-phase input at 47 to 63 Hz.
What output currents are documented?
The documented values are 17.5 A for constant-torque duty and 22.0 A for variable-torque duty.
What enclosure and installation conditions apply?
The drive is IP20 and intended for cabinet installation with the required clearances, cooling, grounding and shielding.
How should a lifecycle replacement be selected?
Use Siemens migration guidance and compare voltage, duty, motor data, I/O, control mode, communications, dimensions and the saved parameter set.
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