Vacuum circuit breaker, EasyPact EXE, assembled, 12kV, 75kVp, 25kA, 3s, 2000A, 185mm, GOST/EXE122512K3B633

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Description reviews

Master range	Easy Series
Range of product	EasyPact
Product name	EasyPact EXE
Product or component type	Circuit breaker
Switching device	Circuit breaker
Breaking technology	Vacuum
Pole type	Open
Number of poles	3
Network type	AC
Type of installation	Indoor
variant	Basic version
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 current [Ik]	1250 A
Short-circuit current	25 kA
Rated short-circuit making current	62.5 kA 50 Hz 65 kA 60 Hz
DC time constant (τ)	45 ms
Rated short-time withstand current (Ik)	20 kA
Rated duration of short-circuit (tk)	3 s
Rated peak withstand current (Ip)	62.5 kA 50 Hz 65 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 (Ii)	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 < 66 ms breaking < 71 ms closing
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
Width	477 mm
Depth	429 mm
Phase distance	150 mm
Clearance in air to earth	175 mm
Upper lower connection distance	270 mm

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