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Product & engineering support, preventive maintenance & testing

All DEIF products come with complimentary telephone and online support, where our technical supporters are available to answer product-related questions and help with user-level queries.

We offer engineering support and onsite services such as preventive maintenance and protection relay testing at a surcharge. 

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Need help?

Simply grab the phone and give us a call or send an email. We'll get back to you quickly!

+45 9614 9600 |

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Our complete range of in-depth technical documentation is freely available for download. 
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