R-Mag 27 Kv Electrical Specifications - ABB R-MAG Instruction Manual

Medium voltage outdoor dead tank vacuum magnetic circuit breaker
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11.0 27 kV R-MAG ELECTRICAL SPECIFICATIONS
Rated Maximum Voltage
Voltage Range Factor, K
Continuous Current (Ratings Available R1-R4)
Temperature Range
Dielectric Strength
Low Frequency Withstand
Dry 60 Hz 1 minute
Wet 60 Hz 10 seconds
Full Wave Withstand
Minimum Creep to Ground (External)
ANSI Standard Operating Duty
Interrupting Time
Permissible Tripping Delay (Y)
Reclosing Time
Interrupting Ratings
Short-Circuit (At Contact Part) RMS R1
Short-Circuit (At Contact Part) RMS R2
Short-Circuit (At Contact Part) RMS R3
Short-Circuit (At Contact Part) RMS R4
Close and Latch (Initial Current Loop) Peak
Transient Recovery Voltage (time to peak = 63 μsec)
Load Current Switching Capability
Rated Line Charging Breaking Current
Rated Cable Charging Breaking Current
Rated Isolated Capacitor Bank Breaking
(Definite Purpose)
Rated Back-to-Back Capacitor Bank Breaking
(Definite Purpose)
Rated Capacitor Bank Inrush Making
Rated Capacitor Inrush Frequency
Mechanical Life
Between Servicing
No-Load Mechanical
Continuous Current Switching
*Operating duty conforms to old ANSI Standard (actual time can be CO-15 Sec-CO).
27 kV
1.0
1250 A
2000 A
-50°C to +55° C
60 kV RMS
50 kV RMS
125/150 kV BIL
27.5 inches
O-0.3s-CO-3Min-CO*
3.0 cycles (seconds)
2 seconds
0.3 seconds
12.5 kA Sym / 14.5 kA Asym
16.0 kA Sym / 18.5 kA Asym
20.0 kA Sym / 23.2 kA Asym
25 kA Sym / 29 kA Asym
2.6 x Sym interrupting rating
51 kV peak
same as continuous current rating
100 A
400 A
400 A
400 A
20 kA
4240 Hz
2,000
10,000
10,000
25

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