6SE6420-2AB13-7AA1 MICROMASTER 420 filtered AC drive

Documented micromaster 420 filtered ac drive function and system position for 6SE6420-2AB13-7AA1

Documented drive function

Rebuilt from individual evidence

Siemens lists 6SE6420-2AB13-7AA1 as an MM420 converter for 200-240 V single-phase input with an integral filter designation.

The drive intervenes between the low-voltage AC supply and a small three-phase motor to regulate machine speed.

Exact reference: 6SE6420-2AB13-7AA1
Category: Drives / VFD
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Converts single-phase AC input into controlled three-phase motor power for variable-speed operation.
System position: Sits between the incoming power supply and the motor in a variable-speed drive system.
Upstream / inputs: Receives the configured speed command and electrical power from the upstream drive circuit.
Downstream / outputs: Outputs controlled motor power and drive status to downstream machine control.
Limitations: Unknown: the installed project, wiring, firmware, operating duty, and current unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens lists 6SE6420-2AB13-7AA1 as an MM420 converter for 200-240 V single-phase input with an integral filter designation.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
Siemens documentation associates 6SE6420-2AB13-7AA1 with a 0.37 kW motor rating in the MICROMASTER 420 range.
Confidence: high
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

The drive intervenes between the low-voltage AC supply and a small three-phase motor to regulate machine speed.
Confidence: medium
Rationale: The exact-reference identity and documented electrical role place the unit in the stated drive-system position.
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence
- cache.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed project, wiring, firmware, operating duty, and current unit condition.
Confidence: low
Missing evidence: An installed-system inspection and compatibility record were not available in the individual lookup.

System position diagram

Incoming power flows through 6SE6420-2AB13-7AA1 to a machine motor. — The drive converts incoming power into controlled motor output in the machine system.

View Mermaid source

flowchart LR\n  supply[Incoming power] --> drive[6SE6420-2AB13-7AA1]\n  drive --> motor[Machine motor]

View diagram labels

Nodes: Incoming power; 6SE6420-2AB13-7AA1 drive; Machine motor
Edges: Power enters drive; Controlled motor output

Next action

Use this reference when the documented drive family, electrical interface, and motor duty match the project.

Unknown: confirm the installed project, wiring, firmware, operating duty, and unit condition before integration.

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