ME equipment is used in railway signal CTC device, electronic coupling device ATS-P device and other signal equipment, electronic railway crossing device and other railway crossing equipment. This product can protect these ME equipment from the lightning surge impact from the power side, while avoiding the noise from the power supply to cause the equipment to stop working, it has an obvious effect in improving the reliability of the system. It is a lightning resistant transformer with high voltage shielding installed with wire interprotection.
Circuit diagram
Item | Performance | |
Capacity | 0.75~20kVA | |
Frequency | 50 / 60Hz | |
Withstand voltage | 1 side ~ 2 side、 1 side ~ shielding room | strike 1.2/50μs 30kV、AC10kV 1min |
2 side ~ shielding room | AC3kV 1min | |
Voltage ratio | CB、CBS | 110V:110V |
CBN | 110V、100V:110V、100V | |
Rate of voltage variation | 5% below | |
Phase number | monophase | |
Electrostatic shielding | have | |
VA efficiency | 90% above | |
Types of insulation | B class | |
Temperature rise limit | 55℃ below (Ambient temperature 60℃) | |
Surge transfer rate | 1/1000 below | |
Insulation resistance | 1 side ~ 2 side、 1 side ~ shielding room 2 side ~ shielding room | When DC100V 100MΩ above |
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