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  Disk Types (ASD and ASW)

Typical Applications


  • Breaking & closing of SF6 gas circuit breaker
  • Impulse generator control
  • Capacitor discharge
  • Transformer on load tap changers
  • Surge absorber
  • High-voltage high- current circuits

Resistor


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Descriptions


ASD and ASW are our proprietary resistors unparalleled in our country to provide the circuits with a large current at a high voltage, developped based on the most advanced technology inherent in TOKAI..
The ideal applications are shown right.


CHARACTERISTICS


Item ASD, ASW Characteristics
Bulk density: 2.65
Specific heat: 0.12 - 0.18 cal/g °C
Thermal conductivity: 0.003cal/cm.sec.°C
Temperature Coefficient: -0.05 - -0.1 %/°C
Thermal expansion coefficient: 4.0 - 7.0×10-6
Max working temperature: 250 °C
Allowable injection energy: 300J/cc
Contact pressure: 4.0 kg/cm²

STANDARD SPECIFICATIONS


Type No. Dimensions (mm) Resistance Value Range (Ohm) Allowable Injection Energy (KJ)
ØD Ø d t
ASD 4025 40±0.5 --- 25±0.5 1.6 - 100 9.0
ASD 6025 60±0.8 --- 25±0.5 0.7 - 90 21.0
ASD 7525 75±0.8 --- 25±0.5 0.5 - 56 33.0
ASD 9525 95±0.8 --- 25±0.5 0.3 - 36 52.5
ASW 7525 75±0.8 30±0.8 25±0.5 0.5 - 78 27.6
ASW 9525 95±0.8 30±0.8 25±0.5 0.3 - 40 47.0
ASW 11025 110±0.8 30±0.8 25±0.5 0.2 - 28 65.5
ASW 12025 120±0.5 30±0.8 25±0.5 0.2 - 24 79.5
ASW 12725 127±0.5 33±1.5 25±0.5 0.2 - 20 88.5
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The specifications are subject to change without prior notice. The specifications are subject to change without prior notice. The specifications are subject to change without prior notice. The specifications are subject to change without prior notice. Site Map

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