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1．引言
微型斷路器符合國家規范《家用及類似場所用過電流保護斷路器》（GB10963）及《低壓開關設備和控制設備低壓斷路器》（GB14048.2）規定，用作保護建筑物的線路設施及類似用途的斷路器，是設計成適用于未受過訓練的人員（非BA4、BA5類人員）使用，無需進行維修，其額定電流在正常運行時不可能從一個額定值改變至另一個額定值，而且不用工具是不能改變其額定值的一種空氣式斷路器。微型斷路器額定電流優選值是：6A、8 A、10A、13A、16A、20A ,、25A、32A、40A、50A、63A、80A、100A和125A。微型斷路器的短路分斷能力較小，大多數為6 kA 、10kA ，個別廠家有高分斷能力的產品如達到36 kA、50 kA等。微型斷路器對線路及設備的過載、短路及接地故障都能夠起到有效的保護，在低壓配電中應用十分廣泛。
2. 微型斷路器熱磁脫扣曲線特性分析
微型斷路器的熱磁脫扣曲線（時間-電流特性曲線）是由內部的結構所決定的，如圖1所示，其內部脫扣器是由電磁脫扣器（也稱過電流脫扣器）和熱脫扣器（又稱過載脫扣器）組成。電磁脫扣器在電路發生短路或嚴重過載時，其動作從而使斷路器跳閘斷開，其動作特性具有瞬動特性或定時限特性。熱脫扣器是當電路過載時，其熱元件發熱使雙金屬片向上彎曲，推動自由脫扣機構動作，動作特性具有反時限特性。
商品型號
S2-H11
S201-B1
S201-B2
S201-B3
S201-B4
S201-B6
S201-C1
S201-C2
S201-C3
S201-C4
S201-C6
S201-C8
S201-D1
S201-D2
S201-D3
S201-D4
S201-D6
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S201-K1
S201-K2
S201-K3
S201-K4
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S201-Z1
S201-Z2
S201-Z3
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S202-B1
S202-B2
S202-B3
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M201M-K0.5
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S201-B2 NA
S201-B3 NA
S201-B4 NA
S201-B6 NA
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S201-C1 NA
S201-C2 NA
S201-C3 NA
S201-C4 NA
S201-C6 NA
S201-C8 NA
S201-C80NA
S201-D1 NA
S201-D2 NA
S201-D3 NA
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S202M-Z1.6
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S203-B2 NA
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S203-B4 NA
S203-B6 NA
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S203-C1 NA
S203-C2 NA
S203-C3 NA
S203-C4 NA
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S203-D1 NA
S203-D2 NA
S203-D3 NA
S203-D4 NA
S203-D6 NA
S203-D8 NA
S203-K1 NA
S203-K2 NA
S203-K3 NA
S203-K4 NA
S203-K6 NA
S203-K8 NA
S203M-C0.5
S203M-D0.5
S203M-K0.5
S203M-K1.6
S203M-Z0.5
S203M-Z1.6
S203-Z1 NA
S203-Z2 NA
S203-Z3 NA
S203-Z4 NA
S203-Z6 NA
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S204M-C0.5
S204M-D0.5
S204M-K0.5
S204M-K1.6
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S204M-Z1.6
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S201-B20 NA
S201-B25 NA
S201-B32 NA
S201-B40 NA
S201-B50 NA
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S201-C10 NA
S201-C100NA
S201-C13 NA
S201-C16 NA
S201-C20 NA
S201-C25 NA
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S201-C40 NA
S201-C50 NA
S201-C63 NA
S201-D10 NA
S201-D13 NA
S201-D16 NA
S201-D20 NA
S201-D25 NA
S201-D32 NA
S201-D40 NA
S201-D50 NA
S201-D63 NA
S201-K10 NA
S201-K13 NA
S201-K16 NA
S201-K20 NA
S201-K25 NA
S201-K32 NA
S201-K40 NA
S201-K50 NA
S201-K63 NA
S201M-B6 NA
S201M-C1 NA
S201M-C2 NA
S201M-C3 NA
S201M-C4 NA
S201M-C6 NA
S201M-C8 NA
S201M-D1 NA
S201M-D2 NA
S201M-D3 NA
S201M-D4 NA
S201M-D6 NA
S201M-D8 NA
S201M-K1 NA
S201M-K2 NA
S201M-K3 NA
S201M-K4 NA
S201M-K6 NA
S201M-K8 NA
S201M-Z1 NA
S201M-Z2 NA
S201M-Z3 NA
S201M-Z4 NA
S201M-Z6 NA
S201M-Z8 NA
S201-Z10 NA
S201-Z16 NA
S201-Z20 NA
S201-Z25 NA
S201-Z32 NA
S201-Z40 NA
S201-Z50 NA
S201-Z63 NA
S203-B10 NA
S203-B100NA
S203-B13 NA
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S203-B20 NA
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S203-B32 NA
S203-B40 NA
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S203-B63 NA
S203-C10 NA
S203-C100NA
S203-C13 NA
S203-C16 NA
S203-C20 NA
S203-C25 NA
S203-C32 NA
S203-C40 NA
S203-C50 NA
S203-C63 NA
S203-D10 NA
S203-D13 NA
S203-D16 NA
S203-D20 NA
S203-D25 NA
S203-D32 NA
S203-D40 NA
S203-D50 NA
S203-D63 NA
S203-K10 NA
S203-K13 NA
S203-K16 NA
S203-K20 NA
S203-K25 NA
S203-K32 NA
S203-K40 NA
S203-K50 NA
S203-K63 NA
S203M-B6 NA
S203M-C1 NA
S203M-C2 NA
S203M-C3 NA
S203M-C4 NA
S203M-C6 NA
S203M-C8 NA
S203M-D1 NA
S203M-D2 NA
S203M-D3 NA
S203M-D4 NA
S203M-D6 NA
S203M-D8 NA
S203M-K1 NA
S203M-K2 NA
S203M-K3 NA
S203M-K4 NA
S203M-K6 NA
S203M-K8 NA
S203M-Z1 NA
S203M-Z2 NA
S203M-Z3 NA
S203M-Z4 NA
S203M-Z6 NA
S203M-Z8 NA
S203-Z10 NA
S203-Z16 NA
S203-Z20 NA
S203-Z25 NA
S203-Z32 NA
S203-Z40 NA
S203-Z50 NA
S203-Z63 NA
S201-C0.5 NA
S201-D0.5 NA
S201-K0.5 NA
S201-K1.6 NA
S201M-B10 NA
S201M-B13 NA
S201M-B16 NA
S201M-B20 NA
S201M-B25 NA
S201M-B32 NA
S201M-B40 NA
S201M-B50 NA
S201M-B63 NA
S201M-C10 NA
S201M-C13 NA
S201M-C16 NA
S201M-C20 NA
S201M-C25 NA
S201M-C32 NA
S201M-C40 NA
S201M-C50 NA
S201M-C63 NA
S201M-D10 NA
S201M-D13 NA
S201M-D16 NA
S201M-D20 NA
S201M-D25 NA
S201M-D32 NA
S201M-D40 NA
S201M-D50 NA
S201M-D63 NA
S201M-K10 NA
S201M-K13 NA
S201M-K16 NA
S201M-K20 NA
S201M-K25 NA
S201M-K32 NA
S201M-K40 NA
S201M-K50 NA
S201M-K63 NA
S201M-Z10 NA
S201M-Z16 NA
S201M-Z20 NA
S201M-Z25 NA
S201M-Z32 NA
S201M-Z40 NA
S201M-Z50 NA
S201M-Z63 NA
S201-Z0.5 NA
S201-Z1.6 NA
S203-C0.5 NA
S203-D0.5 NA
S203-K0.5 NA
S203-K1.6 NA
S203M-B10 NA
S203M-B13 NA
S203M-B16 NA
S203M-B20 NA
S203M-B25 NA
S203M-B32 NA
S203M-B40 NA
S203M-B50 NA
S203M-B63 NA
S203M-C10 NA
S203M-C13 NA
S203M-C16 NA
S203M-C20 NA
S203M-C25 NA
S203M-C32 NA
S203M-C40 NA
S203M-C50 NA
S203M-C63 NA
S203M-D10 NA
S203M-D13 NA
S203M-D16 NA
S203M-D20 NA
S203M-D25 NA
S203M-D32 NA
S203M-D40 NA
S203M-D50 NA
S203M-D63 NA
S203M-K10 NA
S203M-K13 NA
S203M-K16 NA
S203M-K20 NA
S203M-K25 NA
S203M-K32 NA
S203M-K40 NA
S203M-K50 NA
S203M-K63 NA
S203M-Z10 NA
S203M-Z16 NA
S203M-Z20 NA
S203M-Z25 NA
S203M-Z32 NA
S203M-Z40 NA
S203M-Z50 NA
S203M-Z63 NA
S203-Z0.5 NA
S203-Z1.6 NA
S201M-C0.5 NA
S201M-D0.5 NA
S201M-K0.5 NA
S201M-K1.6 NA
S201M-Z0.5 NA
S201M-Z1.6 NA
S203M-C0.5 NA
S203M-D0.5 NA
S203M-K0.5 NA
S203M-K1.6 NA
S203M-Z0.5 NA
S203M-Z1.6 NA
catch assembly
TS2000 WIRE (300MM)
TS2000 WIRE (500MM)
TS2000 WIRE (600MM)
TS2000 WIRE (800MM)
DIN rail clip S200NM
TS2000 WIRE (1000MM)
TS2000 WIRE (1100MM)
TS2000 WIRE (1500MM)
TS2000 WIRE (2000MM)
TS2000 WIRE (2500MM)
TS2000 WIRE (3000MM)
TS2000 WIRE (4000MM)
