• 1-CNC
  • 3-PKI
  • 5-TEST
  • 6-SHIP
  • 7-OIL
  • 8-THERMO
  • 10-RAIL
  • jquery image slider
  • 15d-lab.jpg


Lambda MML400 power supply repair and servicing


We have extensive experience in the servicing of all products manufactured by Lambda / TDK and inparticular the Lambda Omega MML400 series of 400W switchmode power supplies.

Products serviced to date include :

MML400 5A,12C,12C,26D, MML400 P/N E25274, MML400 B1, MML400 B2, MML400 C1, MML400 D1, MML400 E1, MML400 E2, MML400 NS-RS-008, MML400 PFC B1, MML400 PFC B2, MML400 PFC C1, MML400 PFC D1.

During the repair process the condition of all stressed components is checked and replaced as required.

Products are fully functionally tested (including safety testing) via our specialist electronic loads and shipped with a full 12 months warranty (terms apply).



  Fast 24hr turnaround service available (subject to availability of components).

  Please contact us for further information and current turnaround times available.


Workspace House, 28/29 Maxwell Road, Woodston, Peterborough, Cambridgeshire, PE2 7JE, UK. 

   Terms and Conditions | Disclaimer | Privacy statement

© Copyright A1 Power Engineering (UK) 2022. All rights reserved. E & OE. ® A1 Power Engineering (UK) is a registered trademark.