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November 2023 – Enerdoor UL Approved Filters

Enerdoor announces completion of UL approval for selected products, discover the Enerdoor UL approved filters today

Enerdoor UL approved filters

Enerdoor has announced the completion of a significant project with UL for their range of line reactors, dV/dt filters, and sine-wave filter series. These filters protect and reduce harmonics for input solutions, protect motors and reduce peaks for output solutions.

Enerdoor’s UL approved products offer solutions from 0-690Vac with nominal current up to 1200A and have various types of impedance and are approved for the US and Canada.


Enerdoor UL Approved filters:

DC Reactors                LES, LUS

AC Line Reactors        LRT

Load Reactors             ORT

Dv/Dt Filters                FVT

Sine-wave Filters        SWF


Enerdoor products are CE approved with select series featuring UL approval for the US and Canadian markets. Safety transformers and ignition systems are VDE approved. For a full list of approvals please visit the Enerdoor website here.

Enerdoor certifications

GD Rectifiers has been an exclusive UK distributor for Enerdoor for over 6 years and has access to Enerdoor’s wide product range of harmonic filters, common mode chokes, DC EMI filters, Differential chokes, line reactors, medical and military filters, parallel filters, power factor correction, sine wave filters, EMI Filters, snubber dv/dt filters, star point snubber filters, surge arresters and voltage stabilisers.


For further information on Enerdoor’s product range, or to discuss their industry approvals and typical applications, please contact GD Rectifiers on 01444 243 452 or email

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