MSASMACM224 Secondary Air Insulated Switchgear, SM AirSeT, Metering

Switch

Secondary Air Insulated Switchgear, SM AirSeT, metering unit CM2, voltage transformers insulated neutral system, 24kV, 50A, up to 20kA 3s, width 500mm

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 : CM2
Complementary information : Voltage transformers for mains with insulated neutral system
Integrated component name : AirPacT
Insulation technology : Air insulated switchgear
Type of Insulating gas : Pure air
Number of phases : 3
Network type : AC
Type of installation : Indoor
Busbar system : Single busbar
busbar description : Sleeved busbar
Standards : IEC 62271-200:2021
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 : 145 kV
Rated frequency (fr) : 50/60 Hz
Rated continuous current of busbars (Ir) : 630 A
Rated continuous current (Ir) : 50 A
Rated short-time withstand current (Ik) : 20 kA
Rated duration of short-circuit (tk) : 3 s
Rated peak withstand current (Ip) :
- 50 Hz
- 60 Hz
Loss of service continuity category : LSC2A
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
Connectivity tier :
- Active
- Active plus
- Pro
Instrument transformer : Voltage transformer
Number of mechanical operations : 2000 operating cycles disconnector
Classification for number of mechanical operations : M1 disconnector
Classification for electrical endurance : E3 disconnector
Classification for capacitive currents : C2 disconnector
Type of operating mechanism :
- CD1
- CD2
Auxiliary contact composition : 5 NO + 5 NC disconnector
Fault passage indicator :
- Flair 21D
- Flair 22D
- Flair 23DM
- Ammeter 21D
Interlocking type : Mechanical
type of keylock :
- Flat
- Tubular
Key interlock type :
- A3
- A4
Mass : 217 kg
Height : 1600 mm
Width : 500 mm
Depth : 1030 mm

Environment
Ambient air temperature for operation : -5…40 °C
Ambient air temperature for storage : -40…70 °C
Operating altitude : <= 1000 m

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