Operating Instructions

Optional Accessories
AC/DC Reactor
397 | 443
RT030X-43N
RT030X-43F
107.8
Class T JJS-110 600 Vac
RT001X-53N
575V/Three-phase
4.62
Class T JJS-6 600 Vac
RT002X-53N
7.92
Class T JJS-10 600 Vac
RT003X-53N
11
Class T JJS-10 600 Vac
RT005X-53N
17.6
Class T JJS-20 600 Vac
RT0075-53N
25.3
Class T JJS-25 600 Vac
RT010X-53N
33
Class T JJS-30 600 Vac
AC/DC Reactor
AC Input Reactor
Installing an AC reactor on the input side of an AC motor drive can increase line impedance, improve the power
factor, reduce input current, increase system capacity, and reduce interference generated from the motor drive. It
also reduces momentary voltage surges or abnormal current spikes from the mains power, further protecting the
drive. For example, when the main power capacity is higher than 500 kVA, or when using a phase-compensation
capacitor, momentary voltage and current spikes may damage the AC motor drive’s internal circuit. An AC reactor
on the input side of the AC motor drive protects it by suppressing surges.
Install an AC input reactor in series between the main power and the three input phases R S T, as shown in the
figure below:
Fig. 131:
AC Output Reactor
When using drives in long wiring output application, ground fault (GFF), over-current (OC) and motor over-voltage
(OV) often occur. GFF and OC cause errors due to the drive's self-protective mechanism; over-voltage damages
motor insulation.