Siemens 6SE7027-2TD84-1HF4 MASTERDRIVES PEU Module
A PEU power-controller service module for 72 A SIMOVERT MASTERDRIVES units with a 510–620 VDC power range.
Product Profile
6SE7027-2TD84-1HF4 is a Siemens SIMOVERT MASTERDRIVES power-controller module in the PEU service family. It is assigned to 72 A units operating from a 510–620 VDC power range.
The module is an internal converter spare rather than a complete stand-alone drive. Match the full host converter, module revision, connectors and cooling arrangement before installation.
Technical Data
| Manufacturer | Siemens |
|---|---|
| Model | 6SE7027-2TD84-1HF4 |
| Product Family | SIMOVERT MASTERDRIVES |
| Product Type | PEU power-controller module |
| Assigned Unit Current | 72 A |
| Power Range | 510–620 VDC |
| Service Position | Internal converter power-controller / PEU position |
| Host Requirement | Manufacturer-assigned 72 A MASTERDRIVES execution |
| Connector Requirement | Power-stage, gate-control and feedback connections must match the host |
| Cooling Requirement | Preserve the converter cooling path and thermal interfaces |
| Protection Requirement | Check fuses, power semiconductors, motor circuit and insulation before exchange |
| Revision Boundary | Complete 1HF4 suffix required |
| Lifecycle Context | Legacy MASTERDRIVES service spare |
| Safety Boundary | Qualified high-power drive service with stored-energy controls |
System Role
- Controls the assigned converter power stage inside the matching MASTERDRIVES unit.
- Interfaces with gate-control, feedback and protection circuits in the host converter.
- Restores the documented PEU service position after fault isolation.
- Depends on the host control electronics, DC link, cooling and motor circuit.
Compatibility
- Confirm 72 A unit assignment and the 510–620 VDC range.
- Do not substitute a visually similar PEU or another final suffix without replacement evidence.
- Match connector keying, mounting points, insulation barriers and cooling contact.
- Preserve the drive project, parameters and diagnostic history for recommissioning.
Applications
- Corrective repair of a matching 72 A SIMOVERT MASTERDRIVES converter.
- Legacy drive maintenance where an exact PEU spare is required.
- Controlled refurbishment after power-stage and insulation diagnosis.
FAQ
Which host information is mandatory before ordering 6SE7027-2TD84-1HF4?
Send the complete MASTERDRIVES nameplate, unit current, DC-link class, module position, revision labels and connector photographs.
Can a module with another final suffix replace 6SE7027-2TD84-1HF4?
No automatic equivalence should be assumed; the complete suffix can identify a different service execution or hardware revision.
What tests should precede a 6SE7027-2TD84-1HF4 replacement?
Check the motor and cable insulation, DC link, fuses, gate-drive circuits, current feedback, auxiliary supplies and cooling system.
Which safety sequence applies when handling 6SE7027-2TD84-1HF4?
Isolate every supply, observe the specified discharge time, prove the DC link is de-energized and apply ESD and protective-earth procedures.
How should the drive be accepted after fitting 6SE7027-2TD84-1HF4?
Review diagnostics first, then perform controlled no-load and loaded tests while monitoring current, temperature, switching behavior and protection functions.
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