Siemens 6SE6430-2UD42-5GB0 MICROMASTER 430 250 kW Variable Frequency Drive
01Product Overview
Siemens 6SE6430-2UD42-5GB0 is a MICROMASTER 430 variable frequency drive rated at 250 kW for three-phase 380 to 480 V AC input and square-law torque applications. This exact GB0 variant is supplied without an EMC filter and without an AOP or BOP operator panel. The official overload profile is 110 percent for 59 seconds and 150 percent for 1 second, so motor, load, protection and cabinet design must be matched to the documented duty.
02Performance
Operating Capabilities
- Provides 250 kW output capability for the documented square-law torque duty.
- Accepts a three-phase 380 to 480 V AC supply with plus or minus 10 percent tolerance.
- Operates from a 47 to 63 Hz input supply.
- Supports 110 percent overload for 59 seconds under the documented rating.
- Supports 150 percent overload for 1 second under the documented rating.
- Uses the MICROMASTER 430 control platform for pump, fan and related variable-torque applications.
Product Identity
- Manufacturer: Siemens
- Model: 6SE6430-2UD42-5GB0
- Product Type: MICROMASTER 430 variable frequency drive for square-law torque loads
- Status: Officially identified as spare part
03Technical Details
| Manufacturer | Siemens |
|---|---|
| Article Number | 6SE6430-2UD42-5GB0 |
| Product Designation | MICROMASTER 430 |
| Rated Power | 250 kW |
| Load Characteristic | Square-law torque |
| Input Supply | 380 to 480 V 3 AC, +10 / -10 percent |
| Input Frequency | 47 to 63 Hz |
| Overload Capability | 110 percent for 59 s; 150 percent for 1 s |
| EMC Filter | Without filter |
| Operator Panel | Without AOP / BOP |
| Degree of Protection | IP20 |
| Ambient Operating Temperature | 0 to 40 degrees C |
| Commercial Position | Spare part |
04System Integration
- Verify the three-phase supply voltage, short-circuit protection, disconnecting means and protective-earth design.
- Confirm that the driven motor and load follow the documented square-law torque duty.
- Engineer the cabinet airflow and clearances for the large IP20 chassis and 0 to 40 degrees C ambient range.
- Provide the required control, communication and operator-panel options because this exact unit has no AOP or BOP.
- Review EMC measures because the exact GB0 article is supplied without an integrated filter.
- Commission motor data, acceleration, deceleration, limits, protections and application macros under the MICROMASTER 430 procedure.
05Applications
- Large pumps with square-law torque behavior.
- Large fans and ventilation systems requiring variable-speed energy control.
- Water and wastewater process equipment matched to the 250 kW drive rating.
- Building-services or industrial airflow systems using MICROMASTER 430 control functions.
- Spare-part replacement where motor data and the original parameter set are available.
- Legacy drive modernization studies requiring complete supply, motor, EMC and cabinet review.
06FAQ
Is 6SE6430-2UD42-5GB0 intended for constant-torque machinery?
The exact official rating is for square-law torque loads, so constant-torque use must not be assumed from the 250 kW value alone.
Does this GB0 drive include an EMC filter?
No. Siemens identifies the exact article as supplied without a filter, so external EMC measures must be engineered where required.
Can the drive be commissioned from its front without additional hardware?
The exact unit is supplied without AOP or BOP; provide the appropriate operator or commissioning interface for the maintenance plan.
What overload window applies to the 250 kW rating?
The official data specifies 110 percent for 59 seconds and 150 percent for 1 second under the documented duty conditions.
Why is cabinet design critical for this MICROMASTER 430?
It is an IP20 chassis measuring 1533 x 326 x 545 mm and is rated for 0 to 40 degrees C ambient operation, so airflow, clearances and contamination control are essential.
Which records should be captured before replacing the drive?
Save the full parameter set, motor nameplate data, control and communication assignments, protection settings, macros, ramp values and commissioning test results.
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