DEHN SPD Configurator

Click here to open the DEHN SPD Configurator now!

User configurable, multi voltage/mixed signal Lightning and Surge protection in a ruggedized enclosure.

The DEHN SPD Configurator is the fastest and easiest way to create a custom built, surge protection device (SPD) in a rugged, weatherproof enclosure. Build your own SPD that’s right for you. In a few simple clicks you’ll have a combined AC, DC and Data SPD all in one box, custom tailored to your application and needs. *SPDs are now required for Electrical Machinery under NFPA 79-2018.

Three Easy Steps*:

Step 1: Choose your AC SPD from the main menu. Click.

Step 2: **Optionally choose your DC or Data protector. Click.

Step 3: Choose your enclosure. Click.

Step 4: Tell us who you are and how to get ahold of you and your DONE.

You will then receive a confirmation email from DEHN along with a hyperlink to your saved k(configuration).One of our Technical Specialists will be in touch to ensure you get the right solution for your application.


Lightning LEMP (10/350us) and Surge EMC (8/20us) can be combined in a single enclosure.

Conforms to UL 1449 4th Edition standard:

  • Open-type, UL Listed SPDs can be used.
  • 50/60 Hz AC up to 1000V.
  • PV Applications up to 1500 Vdc
  • Covers Type 1, 2 and Type 3 devices.
  • UL Listed SPDs and Enclosure.
  • UL-approved for up to 30 kA SCCR.

Ability to co-locate different AC configurations (single phase, split phase, etc.) into a single enclosure, multiple AC panel circuits.

Option to add additional Type 2 and 3 (RS 232, 4-20ma, Ethernet/POE, etc.) SPD devices into the same enclosure.

Arrives complete and ready to install with all components mounted to din rail, isolation divider (if mixing R/L and Y/L components) and grounding terminal. (Electrical wiring not included, Mounting hardware optional.)

For use in Outdoor, Commercial or Industrial applications, e.g.

  • Motor and control protection (PLC)
  • Main electrical feeds
  • Process industry
  • Electrical service entrance switches