Primary Air Insulated Switchgear, MCSet 17.5kV, incomer or feeder functional unit, up to 12kV, up to 4000A, 50kA, width 570mm

Specifications
Main
Master range    SeT Series
Range of product    MCSeT
Product name    MCSet 17.5 kV
Device short name    AD1C
Functional unit    Incomer
Feeder
Product or component type    Cubicle
Insulation technology    Air insulated switchgear
Number of phases    3
Network type    AC
Type of installation    Indoor
Busbar system    Single busbar
Switching device    SF6 contactor
Vacuum contactor
Product compatibility    Rollarc
CTV1
Standards    IEC 62271-200
Rated voltage (Ur)    12 kV
Rated short-duration power frequency withstand voltage (Ud) / Common value    28 kV
Rated lightning impulse withstand voltage (Up) / Common value    75 kV
Rated frequency (fr)    50/60 Hz
Rated continuous current of busbars (Ir)    4000 A
Rated continuous current (Ir)    400 A contactor only
315 A with fuse at 7.2 kV
200 A with fuse at 12 kV
Rated short-circuit breaking current (Isc)    50 kA with fuse
Rated short-circuit making current    125 kA 50 Hz
130 kA 60 Hz
Rated short-time withstand current (Ik)    50 kA
Rated duration of short-circuit (tk)    3 s
Rated peak withstand current (Ip)    125 kA 50 Hz
130 kA 60 Hz
Loss of service continuity category    LSC2B
Internal arc classification    AFL
AFLR
Rated arc fault current (IA)    50 kA
Rated arc fault duration (tA)    1 s
Internal arc gas evacuation    Upwards inside the room
Upwards outside the room
Partition class    PM

Complementary
Degrees of protection provided by enclosures (IP code)    IP3X (enclosure)
IP4X (enclosure)
IPX1 (enclosure)
IPX2 (enclosure)
IP2XC (between compartments)
Degree of protection of enclosure against external mechanical impacts (IK code)    IK07
Instrument transformer    Current transformer
Surge arrester
Sensor type    TH110 thermal sensor
CL110 environmental sensor
PD100 partial discharges monitoring solution
Voltage presence type    VPIS voltage presence indicating system
VDIS voltage detecting and indicating system
Protection relay    Easergy P3
Easergy P5
Easergy Sepam series 60
Easergy Sepam series 80
Arc fault detector    Easergy Vamp 125
Cable type    Single core
Three core
Cable cross-section    630 mm² single core
240 mm² three core
Number of cables per phase    Up to 3
Mass    850 kg
Height    2300 mm
2770 mm (tunnel with external exhaust)
2770 mm (tunnel with internal exhaust)
2530 mm (compact tunnel with internal exhaust)
Width    570 mm
Depth    1550 mm (AFL)
1725 mm (AFLR)

Environment
Ambient air temperature for operation    -5…40 °C
Ambient air temperature for storage    -25…55 °C
Humidity conditions    Average relative humidity over 24 h <= 95 %
Average relative humidity over 1 month <= 90 %
Operating altitude    <= 1000 m