GE SecoGear - Technical Specification; Technical Specification for Secogear -Table 1; Main Circuit Resistance of Secovac VB2 Plus -Table 3; Technical Specification for Secovac VB2 Plus (Circuit Breaker) -Table 2

SecoGear 24kV-27kV Air Insulation Switchgear
7
Technical Specification
Technical specification for SecoGear -Table 1
Rated voltage kV 24 27
Rated power frequency withstand voltage kV 50 65
Rated lightning impulse withstand voltage kVp 125 125
Rated frequency Hz 50/60
Rated current A 1250/2500
Rated short time withstand current(3s) kA 31.5
Rated peak withstand current1) kAp 82
Resistance u
Ω
≤ 110 ( ≤ 1600A)
≤ 85 ( ≥ 2000A)
IP level for weather protection
Enclosure IP4X
Between compartment IP2X
Technical specification for SecoVac VB2 Plus (Circuit breaker) -Table 2
Main circuit resistance of SecoVac VB2 plus -Table 3
Rated voltage kV 24 27
Rated power frequency withstand voltage kV 50 65
Rated lightning impulse withstand voltage kVp 125 125
Rated frequency Hz 50/60
Rated current A 1250/2500
Rated short-circuit breaking current: kA 31.5s
Percentage of DC component Up to 52%
Rated short-circuit closing current kAp 82
Rated short time withstand current kA 31.5
Rated peak value withstand current kAp 82
Rated duration time for short
-circuit s 3
Opening Time ms 20 ～ 50
Closing Time ms 30 ～ 70
Rated auxiliary control voltage V 24*/30*/36/48/60/110/220 V DC 110/220 V AC
Operation sequence: O-0.3s-CO-15s-CO/ O-0.3s-CO-180s-CO
Mechanical life operations: Times 10000 (M 2)
Electrical Endurance Class E2
Single Capacitor Switching current A 400
*Consult with GE
Item Unit Value
Rated current A 1250 2500
Withdrawable µ
Ω
≤ 45 ≤ 25