Description

General

SM6-Moule type RMU with SF6 load switch as main switch, for whole cabinet is suitable for electric distribution automation and compact also expandable metal close switchgear.It characters in its simple structure, flexible operation, reliable interlocking and convininent installation etc. It also can be assembly with RCB series VCB with permanet magnet mechanism.

Technical data

No	Item		Unit	Parameter
1	Rated voltage		kV	12	24	36
2	Rated current		A	630/800
3	Rated frequency		Hz	50/60
4	1min Power frequency withstand voltage	wet	kV	38	50	70
		dry	kV	48	60	80
5	Lightning impulse withstand voltage Common value		kV	75	125/150		125
6	Rated transfer current		A	1700	1200	800
7	Rated active load and close circuit breaking current		A	63	50	50/40
8	Rated cable charge breaking current		A	50 and 10
9	Rated short circuit breaking current		kA	80	63	50/40
10	Rated short circuit making current (peak)		kA	63	50	63	50
11	Short time (2s) withstand current, load switch/earth		kA	25/20	20/20	25/20	20/20
12	Rated withstand current (peak)		kA	80	63	50/40
13	Mechanism life		Times	5000		2000	2000
Remarks * Rated current of combination of switch and fuse decided by the fuse current.

No	Item		Unit	Parameter
1	Rated voltage		kV	12	24	36
2	Rated current		A	630/800
3	Rated frequency		Hz	50/60
4	1min Power frequency withstand voltage	wet	kV	38	50	70
		dry	kV	48	60	80
5	Lightning impulse withstand voltage Common value		kV	75	125/150		125
6	Rated transfer current		A	1700	1200	800
7	Rated active load and close circuit breaking current		A	63	50	50/40
8	Rated cable charge breaking current		A	50 and 10
9	Rated short circuit breaking current		kA	80	63	50/40
10	Rated short circuit making current (peak)		kA	63	50	63	50
11	Short time (2s) withstand current, load switch/earth		kA	25/20	20/20	25/20	20/20
12	Rated withstand current (peak)		kA	80	63	50/40
13	Mechanism life		Times	5000		2000	2000
Remarks * Rated current of combination of switch and fuse decided by the fuse current.