The HEIDENHAIN 518 703-01 L6 is a UM 113D servo/spindle inverter power module designed for CNC control cabinets. This unit provides motor drive power through U/V/W output terminals and offers switchable AXIS/SPINDLE operation modes. Rated axis currents are 47 A (3.3 kHz) / 40 A (5 kHz), spindle currents 67 A (3.3 kHz) / 56 A (5 kHz), with a maximum rating of 94 A (3.3 kHz) / 80 A (5 kHz).

Specifications

Condition & Testing

This module is supplied refurbished. The unit retains its CE and cULus markings, with serial number 29 403 464 C visible on the nameplate; light surface wear is present on the housing but no visible damage or corrosion has been observed.

This module is part of the HEIDENHAIN UM series of inverter power units for CNC machine-tool applications.

Notice

Part numbers and brand names are shown for identification and compatibility reference only. The buyer is responsible for confirming suitability for their specific application before ordering. This item is sold in its stated refurbished condition.

Questions & answers

What condition is this unit in and how has it been tested?

This is a used Heidenhain UM 113D servo/spindle inverter power module showing light surface wear but no visible damage or corrosion. The front panel displays the original rating label with serial number 29 403 464 C and electrical specifications for axis and spindle current at 3.3kHz and 5kHz, along with functional LED indicators, an AXIS/SPINDLE selector switch, terminal blocks labeled X112, X79, X84, and X82, and a three-position motor output terminal block.

How do I know if this part is compatible with my machine?

Check your machine documentation or existing part for the HEIDENHAIN brand and model number UM 113D.

Where does this ship from and how fast will it go out?

This item ships within 24 to 48 hours of order.

What warranty comes with this unit?

This unit includes a 30 days warranty.