Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Energy-storage Type |
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Type VCB15_LD VCB15_Shell VCB25_LD | ||||||||
Rated voltage (Ur) | ≤ 12 kV | ≤ 17.5 kV | ≤ 24 kV | |||||
Rated normal current (Ir) | ≤ 800 A | ≤ 1250 A 1) | ≤ 800 A | |||||
≤ 2000 A | ||||||||
Rated power frequency withstand voltage (Ud) | 28 (42) 2) kV | 38 (42) kV 2) | 50 kV | |||||
Rated lightning impulse withstand voltage (peak) (Up) Rated short-circuit breaking current (Isc) Rated peak withstand current (Ip) |
75 kV | 95 kV 3) | 125 kV | |||||
≤ 20 kA 4) | ≤ 31.5 kA 4) | ≤ 16 kA 4) | ||||||
≤ 50 kA | ≤ 82 kA | ≤ 40 kA | ||||||
Rated short-time withstand current (Ik) Rated duration of short circuit (tk) Rated frequency (fr) |
≤ 20 kA | ≤ 31.5 kA | ≤ 16 kA | |||||
4 s | ||||||||
50/60 Hz | ||||||||
Mechanical life (CO-cycles) | 50 000 5) | 30000 | ||||||
Maximum number of CO-cycles per hour | 60 | |||||||
Operating cycles, rated-short circuit breaking current Closing time Opening time Break time |
100 | 50 100 | ||||||
≤ 70 ms | ≤ 60 ms ≤ 70 ms | |||||||
≤ 35 ms | ≤ 35 ms ≤ 35 ms | |||||||
≤ 45 ms | ≤ 45 ms ≤ 45 ms | |||||||
Rated operating sequence | O-0.3s-CO-10s-CO-10s-CO 6) | |||||||
Auxiliary circuits insulation strength 7) | ||||||||
Power frequency test voltage (1 min) according to IEC60255-27 Lightning impulse 1.2 m s/50 m s/0.5 J according to IEC60255-27 |
2 kV 5 kV |
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Insulation resistance, 1000V DC according to IEC60255-27 Design class of switching module with regard to severity of service conditions in accordance with IEC 60932 |
≥ 5 MOhm | |||||||
Class 1 Class 0 Class 0 | ||||||||
Standards | IEC 62271-100 | IEC 62271-100 | IEC 62271-100 | |||||
GB 1984- 2003 | GB 1984- 2003 | |||||||
Mechanical vibration withstand | Class 4M4 | |||||||
capability according to IEC 60721-3-4 Resistance of main circuit |
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≤ 40 μOhm ≤ 18 μOhm ≤ 40 μOhm 34-36 kg 51-55 kg 35-38 kg |
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Weight (depending on Pole centre distance) for three-phase ISM |
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Weight for single phase ISM Weight for CM |
13 kg - 14 kg | |||||||
1 kg | ||||||||
Overall dimensions of CM 8) Altitude above sea level |
190x165x45 mm 1000 m 9) |
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Relative humidity in 24 hours Relative humidity over 1 month Temperature Range |
≤ 95 % ≤ 90 % |
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-25 °C ... +55 °C | ||||||||
Degree of protection according to IEC 60529 Type of driving mechanism |
IP40 | |||||||
Monostable magnetic actuator |