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MS5 SHELL Frame-Type Single-Phase Circuit Breaker

APMS5 SHELL Frame-Type Single-Phase Circuit Breaker APMS5-12-1250/25-21 Abbreviation: APMS5-21 APMS5-12-1250/31.5-22 Abbreviation: APMS5-22 APMS5-12-1600/25-23 Abbreviation: APMS5-23 MS5-12-1600/31.5-24 Abbreviation: APMS5-24， MS5-12-2000/25-25 Abbreviation: APMS5-25， MS5-12-2000/31.5-26 Abbreviation: APMS5-26， For use in air-insulated switchgear.

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E-mail：ansel@apexe.cc

Detailed Description

Serial Number	project	MS5-21	MS5-22	MS5-23	MS5-24	MS5-25	MS5-26
1	Rated voltage, kV	12	12	12	12	12	12
2	Rated current, A	1250	1250	1600	1600	2000	2000
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	25	31.5	25	31.5	25	31.6
6	Rated short-circuit making peak current, kA	63	80	63	80	63	80
7	Rated short-time withstand current, kA	63	80	63	80	63	80
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	--	--	--	--	--	--
11	Contact gap, mm	6±0.5	6±0.5	6±0.5	6±0.5	6±0.5	6±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	3NO+2NC
22	Weight, kg	19	19	19	19	19	19