1	Rated Current	A	1250
2	Circuit resistance at lowest rated contact force	uΩ	≤30
3	Rated short-circuit breaking current	KA	16
4	Breaking operations of rated short circuit breaking current	Times	30
5	Rated short-time withstand current	KA	16
6	Rated duration of short-circuit	S	4
7	Rated peak withstand current	KA	40
8	Rated short -circuit making current	KA	40
9	Rated breaking current of single capacitor bank	A	400
10	Rated breaking current of back -to-back capacitor bank	A	400
11	Rated operating sequence	O-0.3(0.5)S-CO-180S-CO

Mechanical data

1	Weight of movable parts	Kg	0.65
2	Closing force due to bellow and atmosphere	N	80±40
3	Force required to hold contacts open at full stroke	N	140±40

Mechanical requirements

1	Clearance between open contacts	mm	16±1
2	Average opening speed(average of first 75% of contact gap)	m/s	1.4±0.2
3	Average closing speed(average of last 30% contact gap)	m/s	0.8±0.2
4	Rated added external contact final force	N	2000±200
	Added external contact force at contact touch point	N	2000±200
5	Contact bouncing duration at closing operation	ms
5	Contact bouncing duration at closing operation	ms	≤2
6	Closing and opening non-simultaneity of three-phase contacts	ms
6		ms	≤1
7	Maximum rebound during opening	mm	2

Life

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