Standard De-Tuning Reactors

Print Friendly, PDF & Email

Type DTR Standard Line of De-Tuning Reactors for Capacitor Bank Protection
by Hans von Mangoldt

Reactor Technology at its best.

Low Voltage PolyGap De-tuning Reactors

De-tuning Reactors 3 Phase

Hans von Mangoldt logoHans von Mangoldt standard line of Type DTR Capacitor De-Tuning reactors are especially made for power factor capacitor banks. Mangoldt offers exclusive PolyGap® core construction for minimum stray flux, minimum losses due to harmonics, and precise, balanced inductance in all three phases. Hans von Mangoldt has become the standard for excellence in reactor (inductor) design due to their precise inductance, accurate design and performance characteristics. Mangoldt Type DTR De-Tuning reactors protect capacitors from harmonics. UL listed 3 phase reactors.

Type DTR De-Tuning Reactors
3 phase
cULus listed available  IEC

Choose the Voltage and Frequency needed from these tables:

240V, 60Hz, 3-phase
480V, 60Hz, 3-phase
600V, 60Hz, 3-phase

240V, 50Hz, 3-phase 
400V, 50Hz, 3-phase  
690V, 50Hz, 3-phase

Download the complete catalog here:  HvM Detuning Reactors Catalog PDF

Call us 1-262-618-2403, Email or visit our Contact us page for Quotes and Application Engineering.


  • Capacitor De-tuning reactors
Standard Product Specifications:
UL Ratings IEC Ratings
Voltage Class  (3-phase) 240, 480, 600 V 240, 400, 690 V
Frequency 60Hz 50Hz
Voltage Spectrum V1 V3 V5 V7 V1 V3 V5 V7
105% 0.5% 5% 5% 105% 0.5% 5% 5%
Inductance Tolerance -2%…+ 3% per phase inductance -2%…+ 3% per phase inductance
Inductance Linearity 95% at 1.75 x I1 95% at 1.75 x I1
Dielectric Strength 3kV for one minute 3kV for one minute
Core Construction PolyGap® PolyGap®
Ambient Temperature 50° C maximum 50° C maximum
Temperature Rise 100° C 115° C
Cooling / ventilation Natural convection air Natural convection air
Temperature Switch N.O. over temp switch included N.O. over temp switch included
Altitude (without derating) 1000 meters (3280 feet) maximum 1000 meters (3280 feet) maximum
Agency Approval cURus File #E173113 IEC 60076, VDE0532


Testing Capabilities:

Low Voltage Routine Test: Inductance at RMS current, Inductance linearity, Dielectric test.

Type Test:   Inductance, Q-factor, power losses and temperature rise tested with specified (or actual) harmonic currents. Inductance linearity, dielectric voltage test.

Visit Hans von Mangoldt   site:
cURus File # E 173113, IEC 60076