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
