Technical parameters of Evolis circuit breaker

General technical characteristics according to IEC 62271-100
Operating voltage — 10(6) kV	Rated breaking current (Isc)	Rated current
Cubicle width (mm)			650	800	900
	25 kA	630 A	+	+
		1250 A	+	+
		2500 A			+
	31,5 kA	630 A	+	+
		1250 A	+	+
		2500 A			+
Additional characteristics according to IEC 62271-100
Rated parameters
Voltage	Ur	kV	7,2	12	12
Insulation voltage: - commercial frequency 50 Hz, 1 min - lightning discharge (1,2/50 ms)	Ud Up	kV kV	32 57	42 75	42 75
Frequency	fr	Hz	50-60
Short time thermal current	Ik/tk	kA	Isc/3 s
Short time electrodynamic current (surge current)	Ip	kA	2,5 Isc (50 Hz)
Rated making current		kA	2,5 Isc (50 Hz)
Other characteristics
Sequence of operations			O-0.3 s-ВO-15 s-ВO
			O-0.3 s-ВO-3 min-ВO
			O-3 min-ВO-3 min-ВO
Time response characteristic	Opening	ms	< 50
	Full disconnection	ms	< 60
	Closing	ms	< 71
Mechanical strength	Class		M2
Mechanical strength	Resource cycle		30 000
Switching wear resistance	Class		E2
Number of switchings at complete Isc value	25 kA		100
Number of switchings at complete Isc value	31,5 kA		50
Capacitive current breaking capacity	Class		С1 (for certain types)
Operation temperature			–35 °C up to +40 °C
Average relative humidity	24 hours		< 95 %
Average relative humidity	1 month		< 90 %