SI-2: Solid Insulation – SIS
SF6 free, environmentally friendly.
Safety first
- Primary parts are IP68, compartment sealed hermetically (dry air)
- Clearly visible position of earthing switch
- Entire design earthed and touch-proof
- Single, auto-interlocked operation of fuse switch
- Single earthing switch with both contact
Robust
- FEA optimized design (no embedded shield required)
- PD less 5pC at 1.2 Ur
- High-performance epoxy desig
Functional
- Modular design, flexible combinations
- Easy servicing
- Remote control operation, or manual/automatic
Compact
- 120 mm phase centers, 356 mm width for three-phase assembly
Technical Specifications
|
Unit
|
Ratings
|
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|
Circuit Breaker
|
Load Break Switch
|
Fuse Switch
|
3-position Switch
|
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|
Rated Voltage
|
kV rms
|
12/15
|
12/15
|
12/15
|
12/15
|
|
Rated frequency
|
Hz
|
50/60
|
50/60
|
50/60
|
50/60
|
|
Rated Power Frequency Withstand Voltage
|
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|
To-earth phases
|
kV rms
|
42 |
42
|
42
|
42
|
|
Over insulation distance
|
kV rms
|
48
|
48
|
48
|
48
|
|
Rated lighting impulse withstand voltage (peak) |
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|
To-earth phases
|
kVp
|
95
|
95
|
95
|
95
|
|
Over insulation distance
|
kVp
|
110
|
110
|
110
|
110
|
|
Rated current
|
A rms
|
630
|
630
|
630
|
630
|
|
Short-circuit breaking capacity
|
kA rms
|
20
|
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|
Maximum number of operations at 100% lsc
|
50
|
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|
Rated making capacity
|
kAp
|
52
|
52
|
52
|
|
|
Rated short-time withstand current kA rms and duration S
|
kA rms
S |
20
4 |
20
4 |
20
4 |
|
|
Peak withstand current
|
kAp
|
52
|
52
|
52
|
|
|
Capacitive breaking capacity
|
A rms
|
25
|
10
|
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|
Rated breaking transfer current |
A rms
|
3150
|
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|
PD on primary modular
|
pC
|
<5
|
<5
|
<5
|
<5
|
|
Rated operating sequence of circuit breaker
|
O-0.3s-CO-15s-CO
|
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|
No-load mechanical endurance
|
|
>10,000
|
>10,000
|
>10,000
|
>10,000
|
|
IP code
|
|
IP68
|
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|
Altitude
|
m
|
<5000
|
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|
Operating temperature
|
°C
|
-25 to +55
|
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|
Standards
|
IEC 62271-201, IEC 62271-100, IEC 62271-102, IEC 62271-1, IEC 62271-105
|
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Any questions?
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