Product Notifications

Engineering Change Notification

Public | Finalized Published: 8 September 2006 - Reference: 09_2006_ECN

Replaced the AC input filter

We would like to inform you about technical changes for all our MIL tested computers - HT 402P4 MIL-Ay (AC Power)
HT 402P4 MIL-Ay

HT 402P4 MIL-Ay

Additional information:

During EMC testing the results came very close to the limits specified in IEC60945. A filter was replaced to get a better margin to the test specifications.

Action: Replaced the AC input filter
Old model: Corcom 3EEA1
New model: Schaffner FN9246-3-06

All current Type Approvals and testing procedures remains valid.

Contact:

For further enquiries regarding this Engineering Change Notification, please contact Support at Hatteland Technology AS.

Matching products online:

HT 402P4 MIL-Ay

Implemented by:

________________________________

Frode Grindheim
Technical Director
Hatteland Technology AS

Read and Understood by:

________________________________

(Your name)
(Your company)

Last revised: 13 October 2026