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Instrument Transformer :
   Combined Transformer (metering Out Fir, Metering unit)
  Oil insulated metering out fit (Metering unit)

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Type A B C D E F Tolerance
JWM-93-1,2,3 654 620 520 540 320 510 3%
JWM-93-6 840 780 750 650 500 700

RATINGS & SPEC.
TYPE JWN-93-1 JWM-93-2 JWM-93-3 JWM-93-6
Number of phase & wires 3P3W 3P3W 3P4W 3P3W
Highest system voltage   KV 24 34.5, 36
Rated power frequency withstand voltage   KV 50 70
Basic impulse level (1.2 x 50§Á)   KV 150 170, 200
 Rated frequency   Hz 50, 60
Polarity Subtractive
Oil capacity 90 120
Estimative weight   kg 250 350
Standard applied JIS C1736, KS C1707

 Voltage Transformer
Rated primary voltage   KV 20 20/¡î3 20/¡î3 20/¡î3
Rated secondary voltage   V 100 100/¡î3 100/¡î3 100/¡î3
Rated secondary burden   VA 2x25,30,40 3x25~40 3x25~40 2(3)x25~40
Accuracy class 0.5 or 1.0

 Current transformer
Rated primary current   A 5~600, 5-10~300-600
Rated secondary voltage  A 5
Rated secondary burden   VA 2x25~40 3x25~40 3x25~40 2(3)x25~40
Rated over-current strength   In 40, 75, 150
Accuracy class 0.5 or 1.0
Note : Other special rating & construction are on request.


    
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Copyright(c)since 2003 Reliance Corp. All right reserved
1304, Kumkwang Benesta,1149-2, Jung-Dong, Wonmi-Gu,
Bucheon-city, Gyeonggi-do 420-020, KOREA