ABB R-MAG 38kV 1250/2000A - Kv R-MAG ELECTRICAL SPECIFICATIONS; Table 1 R-MAG 38 Kv, 31.5 Ka Ratings

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10. 38 kV R-MAG ELECTRICAL SPECIFICATIONS
*Continuous current tested at +40C ambient
** Operating duty conforms to old ANSI Standard (actual time can be CO-15Sec-CO)
Table 1 R-MAG 38 kV, 31.5 kA Ratings
38 kV, 31.5 kA R-MAG IB Rating Structure
Parameter
Rating
Rated Maximum Voltage
38kV
Voltage Range Factor, K
1.0
Rated Continuous Current
1250A/2000A*
Temperature Range
-40C to +40C
Dielectric Strength
Dry 60Hz 1 minute
80kV
Wet 60Hz 10 sec
75kV
Full Wave Withstand
200kV
Chopped Wave Withstand
258kV
Minimum Creep to Ground
33"
ANSI Operating Duty
O-0.3s-CO-3Min-CO **
Interrupting Time
3.0 Cycles
Permissible Tripping Delay (Y)
2 seconds
Reclosing Time
0.3 seconds
Interrupting Ratings
Symmetrical RMS
31.5kA
Asymmetrical RMS
36.2kA
TRV Peak for 100% Terminal Faults
71.1kV
TRV Time to Peak (T2)
63µsec
Peak Withstand Current (Same as Close and Latch)
81.9kA
D.C. Component (referred to time constant = 45ms
40%
Short Line Fault
28.35kA
Out of Phase Switching Current
7.88kA
Double Earth Fault (IEC)
27.4kA
Load Current Switching
1250A/2000A
Rated Back to Back Switching (Class C1)
630A
Rated Transient Inrush Current peak
20kA
Rated Transient Inrush Frequency
4240Hz
Rated Isolated Capacitor Bank Current (Class C1)
630A
Rated Overhead Line Switching Current – ANSI (Class C1)
100A
Rated Cable Switching Current (Class C1) (IEC)
50A
Mechanical Life
No-Load Mechanical (IEC M2)
10,000
Between Servicing
2000
Continuous Current Switching
10,000
Inrush Current Switching
200
Seismic Rating (per IEEE 693-1997; exceeds previous zone 4 category)
High