MSASMAGBCB24 Secondary Air Insulated Switchgear, SM AirSeT, With CT

Switch

Secondary Air Insulated Switchgear, SM AirSeT, with CT and/or VT unit GBC-B, 24kV, up to 630A, up to 20kA 3s, width 750mm

Specifications

Main
Master range : SeT Series
Range of product : SM AirSeT
Product name : SM AirSeT-24
Functional unit family : Metering function
Functional unit : Metering
device short name : GBC-B
Complementary information : Current and/or voltage measurement unit
Number of phases : 3
Network type : AC
Type of installation : Indoor
Busbar system : Single busbar
busbar description : Sleeved busbar
Standards : IEC 62271-200:2011
Rated voltage (Ur) : 24 kV
Rated short-duration power frequency withstand voltage (Ud) / Common value : 50 kV
Rated short-duration power frequency withstand voltage (Ud) / isolating distance : 60 kV
Rated lightning impulse withstand voltage (Up) / Common value : 125 kV
Rated lightning impulse withstand voltage (Up) / Across the isolating distance : 140 kV
Rated frequency (fr) : 50/60 Hz
Rated continuous current of busbars (Ir) : 630 A
Rated continuous current (Ir) : 630 A
Rated short-time withstand current (Ik) : 20 kA
Rated duration of short-circuit (tk) : 3 s
Loss of service continuity category : LSC1
Internal arc classification :
- AFLR
- AFL
Rated arc fault current (IA) : 20 kA
Rated arc fault duration (tA) : 1 s
Internal arc gas evacuation :
- Downwards inside the room
- Upwards outside the room

Complementary
Degrees of protection provided by enclosures (IP code) : IP3X (units in switchboard)
Degree of protection of enclosure against external mechanical impacts (IK code) : IK08
Instrument transformer :
- Current transformer
- Voltage transformer
Sensor type : VPIS voltage presence indicating system
Mass : 297 kg
Height : 1600 mm
Width : 750 mm
Depth : 1110 mm

Environment
Ambient air temperature for operation : -5…40 °C
Ambient air temperature for storage : -40…70 °C
Humidity conditions :
- Average relative humidity over 24 h <= 95 %
- Average relative humidity over 1 month <= 90 %
Operating altitude : <= 1000 m

Packing Units
Unit Type of Package 1 : PCE
Number of Units in Package 1 : 1