Rail Transit
Rail Transit
Track chopper resistor and overvoltage absorption resistor
Product Features
◆ The resistance material is a special alloy strip structure with good stability, high power consumption, and high temperature resistance;
◆ Resistant to high voltage and high current, instantly absorbing high energy;
◆ The resistance strip has strong antioxidant capacity and can maintain good antioxidant performance at high temperatures around 1000 ℃. Suitable for heavily polluted environments.
Product Application
Suitable for overvoltage protection, chopping, instantaneous discharge of high voltage, and energy absorption in the traction system circuit of railway electric locomotives. It can also be used for large industrial control equipment and power control equipment circuits.
Main performance parameters
| Impact energy | 0-1MJ（≤500ms） |
| Withstanding voltage | 0-12kV |
| Resistance value | 0-10Ω |
| Precision | ±5% |
| Temperature coefficient | ≤350ppm/℃ |
| Rated power consumption | 0-10kW |
| Operating temperature range | -25℃~+70℃ |
| Altitude | ≤2500m |
| Relative humidity | ≤90% |
| Cooling method | Natural cooling |
| Protection | IP00 |
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It is suitable for overvoltage protection, chopping, instantaneous high voltage discharge, and energy absorption in the circuits of railway electric locomotive traction systems. It can also be used in the circuits of large industrial control equipment and power control equipment.
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