EXE123112A1B MV Vacuum Circuit Breaker, EasyPact EXE, Basic Function

Air Circuit Breaker

MV vacuum circuit breaker, EasyPact EXE, basic function, 12kV, 1250A, 31.5kA 3s, 145mm, IEC

Specifications

Main
Master range : Easy Series
Range of product : EasyPact
Product name : EasyPact EXE
Switching device : Circuit breaker
Breaking technology : Vacuum
Product or component type : Circuit breaker
Pole type : Open
Number of poles : 3
Network type : AC
Type of installation : Indoor
Integration type : Fixed
Variant : Basic function
Standards : IEC 62271-100:2012
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 (Ir) : 1250 A
Rated short-circuit breaking current (Isc) : 31.5 kA
Rated short-circuit making current :
- 79 kA 50 Hz
- 81.9 kA 60 Hz
DC time constant (τ) : 45 ms
Rated short-time withstand current (Ik) : 31.5 kA
Rated duration of short-circuit (tk) : 3 s
Rated peak withstand current (Ip) :
- 79 kA 50 Hz
- 81.9 kA 60 Hz
Rated first pole-to-clear factor (kpp) : 1.5
Rated out-of-phase breaking current (Id) : 7.88 kA
Rated line-charging breaking current (Il) : 10 A
Rated cable-charging breaking current (Ic) : 25 A
Rated single capacitor bank-breaking current (Isb) : 400 A
Rated operating sequence :
O - 3 min - CO - 3 min - CO
O - 0.3 s - CO - 3 min - CO
O - 0.3 s - CO - 15 s - CO

Complementary
auxiliary contact composition : 4 NO + 4 NC
Operating time :
< 50 ms opening time
< 66 ms break-time
< 71 ms closing time
Motor charging time : <= 7 s
Classification for electrical endurance : E2
Number of operations at short-circuit breaking current : 50
Classification for the connection to the network : S1
Classification for capacitive currents : C2
Number of mechanical operations : 10000 operating cycles
Classification for number of mechanical operations : M2
Mass : 50 kg
Height : 527 mm
Width : 470 mm
Depth : 429 mm
Phase distance : 145 mm
Clearance in air to earth : 150 mm
Upper lower connection distance : 270 mm

Environment
product certifications : ASEFA
Ambient air temperature for operation : -25…40 °C
Ambient air temperature for storage : -25…55 °C
Humidity conditions :
Average relative humidity over 1 month <= 90 %
Average relative humidity over 24 h <= 95 %
Operating altitude : 0...1000 m

Packing Units
Unit Type of Package 1 : PCE
Number of Units in Package 1 : 1
Package 1 Height : 73 cm
Package 1 Width : 60 cm
Package 1 Length : 80 cm
Package 1 Weight : 58.0 kg