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MS2 Three-Phase Circuit Breaker

MS2 Three-Phase Circuit Breaker， MS2-12-630/20-01 Abbreviation: APMS2-01， MS2-12-630/25-02 Abbreviation: APMS2-02， MS2-12-630/20-03 Abbreviation: APMS2-03， MS2-12-630/25-04 Abbreviation: APMS2-04， MS2-12-1000/20-05 Abbreviation: APMS2-05， MS2-12-1000/25-06 Abbreviation: APMS2-06， Suitable for air-insulated switchgear.

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E-mail：ansel@apexe.cc

Detailed Description

Serial Number	project	MS2-01	MS2-02	MS2-03	MS2-04	MS2-5	MS2-06
1	Rated voltage, kV	12	12	12	12	12	12
2	Rated current, A	630	630	630	630	1000	1000
3	Rated power frequency withstand voltage, kV	42	42	42	42	42	42
4	Rated impact withstand voltage, kV	85	85	85	85	85	85
5	Rated short-circuit breaking current, kA	20	25	20	25	20	25
6	Rated short-circuit making peak current, kA	50	63	50	63	50	63
7	Rated short-time withstand current, kA	50	63	50	63	50	63
8	Rated short-time withstand time, s	4	4	4	4	4	4
9	Rated frequency, Hz	50	50	50	50	50	50
10	Phase spacing, mm	210	210	180	180	200	200
11	Contact gap, mm	8±0.5	8±0.5	8±0.5	8±0.5	8±0.5	8±0.5
12	Overtravel of the mechanism, mm	2±0.5	2±0.5	2±0.5	2±0.5	2±0.5	2±0.5
13	Rated operating cycle	O-0.3s-CO-15s-CO
14	Inherent closing time, ms	<25	<25	<25	<25	<25	<25
15	Three-phase closing asynchronously, ms	≤2	≤2	≤2	≤2	≤2	≤2
16	Close-in bounce time, ms	≤2	≤2	≤2	≤2	≤2	≤2
17	Inherent tripping time, ms	5±0,5	5±0,5	5±0,5	5±0,5	5±0,5	5±0,5
18	The three-phase tripping was not synchronized, ms	≤2	≤2	≤2	≤2	≤2	≤2
19	Mechanical life, cycles	50000	50000	50000	50000	50000	50000
20	Electrical life (rated short-circuit current), times	50	50	50	50	50	50
21	Number of auxiliary switches	6NO+6NC
22	Weight, kg	32	32	32	32	32	32