MSASMADMVLA24 Secondary Air Insulated Switchgear, SM AirSeT, Disconne

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Secondary Air Insulated Switchgear, SM AirSeT, disconnectable vacuum circuit breaker unit DMVL-A, 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 : Protection function
Functional unit : Vacuum circuit breaker
device short name : DMVL-A
Complementary information : Single-isolation, disconnectable circuit breaker unit
Integrated component name :
- AirPacT
- Evolis 24 lateral disconnectable
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 62271-200:2011
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 : 145 kV
Rated frequency (fr) : 50/60 Hz
Rated continuous current of busbars (Ir) : 630 A
Rated continuous current (Ir) : 630 A
Rated short-circuit breaking current (Isc) : 20 kA
Rated short-circuit making current :
- 50 kA 50 Hz
- 52 kA 60 Hz
Rated short-time withstand current (Ik) : 20 kA
Rated duration of short-circuit (tk) : 3 s
Rated peak withstand current (Ip) :
- 50 kA 50 Hz
- 52 kA 60 Hz
Filling level for insulation and/or switching (Pre rel.) : 110 kPa
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
Partition class : PI

Complementary
Rated supply voltage of auxiliary and control circuits (Ua) :
- 24/48/110/125/220 V DC
- 120/230 V AC 50/60 Hz
Degrees of protection provided by enclosures (IP code) :
- IP3X (units in switchboard)
- IP2X (between compartments)
Degree of protection of enclosure against external mechanical impacts (IK code) : IK08
Connectivity tier :
- Active
- Active plus
- Pro
Instrument transformer :
- Current transformer
- Voltage transformer
- Low power current transformer
- Low power voltage transformer
Sensor type :
- TH110 thermal sensor
- CL110 environmental sensor
- VPIS voltage presence indicating system :
Cable type :
- Single core
- Three core
Cable cross-section : 50 to 240 mm²
Number of cables per phase : Up to 2
Number of mechanical operations :
- 2000 operating cycles disconnector
- 10000 operating cycles circuit breaker
Classification for number of mechanical operations :
- M1 disconnector
- M2 circuit breaker
Classification for electrical endurance :
- E3 disconnector
- E2 circuit breaker
Number of operations at short-circuit breaking current : 100
Classification for capacitive currents :
- C2 disconnector
- C2 circuit breaker
Type of operating mechanism : CDTS
Auxiliary contact composition:
- 2 NO + 2 NC switch
- 5 NO + 5 NC disconnector
- 4 NO + 4 NC circuit-breaker
Protection relay :
- Easergy P3
- Easergy P5
- Easergy Sepam series 60
- Easergy Sepam series 80
Arc fault detector : Easergy Vamp 121
Monitoring and control system : Easergy T300
Interlocking type : Mechanical
type of keylock :
- Flat
- Tubular
Key interlock type :
- A1
- C1
- C4
- 50
Mass : 407 kg
Height : 1600 mm
Width : 750 mm
Depth : 1220 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