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Table 13 - VCB25 Technical Parameters
Type
VCB25_Shell2
Rated voltage (Ur)
24 kV
Phase centre distance (PCD), mm
210/275
275
Rated normal current (Ir)
630 A
1250 A
2500 A
Rated power frequency withstand voltage (Ud)
60 kV
Rated lightning impulse withstand voltage (peak) (Up)
125 kV
Rated short-circuit breaking current (Isc)
Rated peak withstand current (Ip)
65 kA
Rated short-time withstand current (Ik)
25 kA
Rated duration of short circuit (tk)
4 s
Rated frequency (fr)
50/60 Hz
Mechanical life (CO-cycles)
30 000
Number of operated-isolated operations
500 cycles
Maximum number of CO-cycles per hour
60
Operating cycles, rated–short circuit breaking current
50
Closing time
Opening time
Break time
Resistance of main circuit
≤ 35 μOhm (for Ir 630 A)
≤ 30 μOhm (for Ir 1250 A)
≤ 22 μOhm (for Ir 2500 A)
Rated operating sequence at rated normal current
O-0.3s-CO-10s-CO-10s-CO
Rated operating sequence at rated short-circuit breaking current
O-0.3s-CO-15s-CO
Auxiliary Circuits Insulation Strength
Power frequency test voltage (1 min) in accordance with IEC62271-100, IEC60255-27
2 kV
Lightning impulse 1.2ms/50ms/0.5 J in accordance with IEC60255-27
5 kV
Insulation resistance of 1000V DC in accordance with IEC60255-27
≥ 5 MOhm
Design class of switching module with regard to severity of service conditions in accordance
with IEC 60932
Class 0
Standards
IEC 62271-100, GB 1984-2003
Mechanical vibration withstand capability according to IEC 60721-3-4
Class 4M4
Summary of Contents for VCB15
Page 2: ......
Page 4: ......
Page 5: ...1 Introduction...
Page 9: ...2 Presentation...
Page 11: ...3 Product Coding...
Page 23: ...4 Technical Parameters...
Page 33: ...5 Design and Operation...
Page 42: ......
Page 43: ...6 Functionality...
Page 48: ......
Page 49: ...7 Application Notes...
Page 56: ......
Page 57: ...Appendix 1 Type Tests...
Page 61: ...Appendix 2 Withdrawable VCB Package Dimensions...
Page 63: ...Appendix 3 Overall Drawings...
Page 65: ...65 VCB15_LD8_16D 17 5kV 800 A PCD 210 mm weight 76 kg Lmax 677 mm Wmax 682 mm Hmax 528 mm...
Page 69: ...69 VCB15_MD1_16D 17 5kV 1250 A PCD 210 mm weight 74 kg Lmax 677 mm Wmax 682 mm Hmax 515 mm...
Page 73: ...73 VCB15_HD1_16D 17 5kV 2500 A PCD 275 mm weight 140 kg Lmax 656 5 mm Wmax 882 mm Hmax 704 mm...
Page 74: ...74 VCB15_HD1_16D 17 5kV 3150 A PCD 275 mm weight 158 kg Lmax 656 5 mm Wmax 882 mm Hmax 704 mm...
Page 101: ...101 3 n 3B 3B 24 kV 1250 A fixed contact 2000 A fixed contact...
Page 102: ...102 3150 A fixed contact...
Page 103: ...Appendix 4 Secondary Schemes...
Page 104: ...104 VCB15_LD8_16D with Plastic Plug...
Page 105: ...105 VCB15_LD8_16D with Metal Plug...
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