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dv/dt Reactor Installation
Connect a dv/dt reactor on the output side to reduce large dv/dt, protecting the motor 
winding from insulation breakdown, lowering motor temperature and extending the motor 
service life and meanwhile reduce interference on surrounding devices.
 ● Selection of the dv/dt reactor (Schaffner)
AC Drive Model dv/dt 
Reactor 
Model
Rated 
Current 
at 40°C 
(A)
Rated 
Motor 
Power  
(kW)
Rated 
Inducance 
 (mH)
Power 
Consum-
ption 
(W)
I/O Terminal 
Selection
Total 
(kg)
MD500T18.5GB-
INT
RWK 305-
45-KL
45 18.5 0.131 60 KL - - 6.1
MD500T22GB-
INT
RWK 305-
45-KL
45 22 0.131 60 KL - - 6.1
MD500T30GB-
INT
RWK 305-
60-KL
60 30 0.098 65 KL - - 6.1
MD500T37GB-
INT
RWK 305-
72-KL
72 37 0.082 70 KL - - 6.1
MD500T45GB-
INT
RWK 305-
90-KL
90 45 0.065 75 KL - - 7.4
MD500T55GB-
INT
RWK 305-
110-KL
110 55 0.053 90 KL - - 8.2
MD500T75GB-
INT
RWK 305-
156-KS
156 75 0.038 120 - KS - 10.7
MD500T90G-INT RWK 305-
182-KS
182 90 0.032 140 - KS - 16
MD500T110G-
INT
RWK 305-
230-KS
230 110 0.026 180 - KS - 22
MD500T132G-
INT
RWK 305-
280-KS
280  132 0.021 220 - KS - 29
MD500T160G-
INT
RWK 305-
330-KS
330 160 0.018 240 - KS - 32
 ● Mounting Dimensions (Unit: mm)