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RTA/900 Family

Home › Products › ReactorsMotor Start up Reactors RTA/900 Family

Motor Start up Reactors

RTA/900 Family

Three-Phase Motor Start up Reactors

  • Three-phase operating voltage 400V
  • Designed for 3 startings per hour, of 5 secs. each
  • 30% voltage fall, for a 70% reduced motor starting
  • Class H total high casehardening varnish dipped and oven dried
  • Particularly indicated for submerged pump startings; also useful for transformer connection take-off reduction
  • Different starting values, voltages and powers are available upon request
Reference Number KW
Motor
KW
Motor
KW
Motor
Dimensions Drillings Weight
(Kg.)
Fig.
L P H A B F G
RTA/901 3,68 5 7 180 90 160 150 66 7 18 6,6 3-5
RTA/902 5,52 7,.5 10 180 90 160 150 66 7 18 7,0 3-5
RTA/903 7,36 10 13 180 100 160 150 76 7 18 8,2 3-5
RTA/904 11,04 15 20 180 110 160 150 86 7 18 10,3 3-5
RTA/905 14,72 20 27 180 120 160 150 96 7 18 12,6 3-5
RTA/906 18,40 25 33 240 120 210 200 86 7 18 17,4 3-5
RTA/907 22,08 30 40 240 130 210 200 96 7 18 21,7 3-5
RTA/908 29,44 40 53 240 155 210 200 106 7 18 24,9 3/4-5
RTA/909 36,80 50 67 300 134 260 250 96 9 24 26,8 3/4-5
RTA/910 44,16 60 80 300 144 260 250 106 9 24 35,0 3/4-5
RTA/911 55,20 75 100 300 144 260 250 106 9 24 36,0 4-5
RTA/912 73,60 100 132 300 154 260 250 116 9 24 39,0 4-5
RTA/913 92,00 125 167 300 164 260 250 126 9 24 43,5 4-5
RTA/914 110,40 150 200 360 170 310 325 126 9 24 66,0 4-5
RTA/915 128,80 175 233 360 170 310 325 126 9 24 76,0 4-5
RTA/916 147,20 200 267 360 180 310 325 136 9 24 84,0 4-5
RTA/917 184 250 315 420 190 360 375 144 10 30 92,0 4-5
RTA/918 220,8 300 380 420 215 360 375 154 10 30 122 4-5
RTA/919 257,6 350 440 420 220 360 375 169 10 30 152 4-5
RTA/920 294,4 400 502 480 215 410 440 170 12 30 173 4-5

The RTA/900 Family has also been designed to limit motor inrush current, using a
30% motor voltage reduction. The standard operating period is of 20 sec. max, with a
4 times per hour repetition. If different periods and more startings are needed, it is
necessary to state the following, at the moment of ordering :
Operation period, total startings per hour, voltage fall and electrical parameters of the
motor (voltage, rated and inrush currents, type of mechanical load).

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