SQUARE 變壓器 9070T150D33美國原廠直供

斷路器工作原理示意圖及圖形符號
熱脫扣器用于線路的過負(fù)荷保護(hù)，工作原理和熱繼電器相同。
失壓（欠電壓）脫扣器用于失壓保護(hù)，如圖1-8所示，失壓脫扣器的線圈直接接在電源上，處于吸合狀態(tài)，斷路器可以正常合閘；當(dāng)停電或電壓很低時，失壓脫扣器的吸力小于彈簧的反力，彈簧使動鐵心向上使掛鉤脫扣，實(shí)現(xiàn)短路器的跳閘功能。
分勵脫扣器用于遠(yuǎn)方跳閘，當(dāng)在遠(yuǎn)方按下按鈕時，分勵脫扣器得電產(chǎn)生電磁力，使其脫扣跳閘。
不同斷路器的保護(hù)是不同的，使用時應(yīng)根據(jù)需要選用。在圖形符號中也可以標(biāo)注其保護(hù)方式，如圖1-8所示，斷路器圖形符號中標(biāo)注了失壓、過負(fù)荷、過電流3種保護(hù)方式。
美國Cutler-Hammer電氣品牌在工業(yè)、商業(yè)和民用電力輸配電和控制設(shè)備市場上于業(yè)界，Cutler-Hammer是伊頓公司主推的電氣品牌之一。

SQUARE D壓力開關(guān)9012GAR19012ACW10M1193T147HDIT
SQUARE D壓力開關(guān)9012GAR5ACW10M129421LD4
SQUARE D壓力開關(guān)9012GAW259012ACW10M129421LH48
SQUARE D壓力開關(guān)9012GAW25Q4ACW1M119421LJ4
SQUARE D壓力開關(guān)9012GAW269012ACW1M119421LN3
SQUARE D壓力開關(guān)9012GAW4ACW1M129421LS13
SQUARE D壓力開關(guān)9012GAW4K19012ACW1M129421LW4
SQUARE D壓力開關(guān)9012GAW59012ACW20M119421LZ400H46
SQUARE D壓力開關(guān)9012GAW5S1189012ACW20M129422A1
SQUARE D壓力開關(guān)9012GAW69012ACW21M119422A2
SQUARE D壓力開關(guān)9012GBR2ACW21M129422A3
SQUARE D壓力開關(guān)9012GBW29012ACW21M129422A5
SQUARE D壓力開關(guān)9012GBWM19012ACW22M119422A7
SQUARE D壓力開關(guān)9012GCW2ACW22M129422A9
SQUARE D壓力開關(guān)9012GCW229012ACW22M129422ARG11
SQUARE D壓力開關(guān)9012GCW239012ACW23M129422ARR11
SQUARE D壓力開關(guān)9012GCW3ACW24M129422ART11
SQUARE D壓力開關(guān)9012GCWM39012ACW24M129422ATCF331
SQUARE D壓力開關(guān)9012GDWM29012ACW25M119422ATCF332
SQUARE D壓力開關(guān)9012GFW1ACW25M129422ATDF601
SQUARE D壓力開關(guān)9012GFWM19012ACW25M129422ATDF631
SQUARE D壓力開關(guān)9012GFWM2M129012ACW26M119422ATDF632
SQUARE D壓力開關(guān)9012GGW1ACW26M129422ATDN601
SQUARE D壓力開關(guān)9012GGW49012ACW26M129422ATEF101
SQUARE D壓力開關(guān)9012GRG5ACW27M129422ATEF102
SQUARE D壓力開關(guān)9013FRG72J359012ACW28M119422ATEN101
SQUARE D壓力開關(guān)9013FRG9J23ACW28M129422ATF11
SQUARE D壓力開關(guān)9013FSG2J209012ACW28M129422ATF22
SQUARE D壓力開關(guān)9013FSG2J20B8M4ACW29M129422BTEF10
SQUARE D壓力開關(guān)9013FSG2J20M49012ACW29M129422CFA11
SQUARE D壓力開關(guān)9013FSG2J21M4ACW2M119422CFA31
SQUARE D壓力開關(guān)9013GSG2J169012ACW2M119422CFA50
SQUARE D壓力開關(guān)9036DR31ACW2M129422CFA51
SQUARE D壓力開關(guān)9037EG89012ACW2M129422CFT30
SQUARE D壓力開關(guān)9037HG33ACW3M129422CFT31
SQUARE D壓力開關(guān)9049EF19012ACW3M129422CGJ40
SQUARE D壓力開關(guān)9049ER1ACW4M129422CKA50
SQUARE D壓力開關(guān)9065SDO89012ACW4M129422CLA51
SQUARE D壓力開關(guān)9065SF020ACW5M119422CSF304
SQUARE D壓力開關(guān)9065SF1209012ACW5M119422CSJ30
SQUARE D壓力開關(guān)9065SF220ACW5M129422CSJ50
SQUARE D壓力開關(guān)9065SFC209012ACW5M129422D2
SQUARE D壓力開關(guān)9065SS220ACW6M129422R2
SQUARE D壓力開關(guān)9065SSC209012ACW6M129422RN1
SQUARE D壓力開關(guān)9065ST320ACW7M119423M3
SQUARE D壓力開關(guān)9065ST5209012ACW7M119423M4
SQUARE D壓力開關(guān)9070FSC2ACW7M12990NAA21510
SQUARE D壓力開關(guān)9070FSC239012ACW7M12990NAA26320
SQUARE D壓力開關(guān)9070SK1000G1D1ACW8M11990NAA26350
SQUARE D壓力開關(guān)9070SK2000G2D19012ACW8M11990NAD21110
SQUARE D壓力開關(guān)9070SK3000G2D1ACW8M12990NAD21130
SQUARE D壓力開關(guān)9070SK500G1D19012ACW8M12990NAD21810
SQUARE D壓力開關(guān)9070T100D29012ACW9M11990NAD21830
SQUARE D壓力開關(guān)9070T1500D1ACW9M12990NAD21910
SQUARE D壓力開關(guān)9070T150D319012ACW9M12990NAD21930
SQUARE D壓力開關(guān)9070T2000D33ADW23M12990NAD23000
SQUARE D壓力開關(guān)9070T250D159012VADW24M11990NAD23010
SQUARE D壓力開關(guān)9070T250D19ADW24M12990NAD23011
SQUARE D壓力開關(guān)9070T3000D1ADW25M12990NAD23012
SQUARE D壓力開關(guān)9070T5000D19012VADW25M12990NAD23020
SQUARE D壓力開關(guān)9070T5000D12ADW26M12990NAD23021
SQUARE D壓力開關(guān)9070T500D509012BADW26M12990NAD23022
SQUARE D壓力開關(guān)9070T750D5ADW27M12990NAD23023
SQUARE D壓力開關(guān)9070T750D509012BADW27M12990XCA65609
SQUARE D壓力開關(guān)9070T75D31ADW3M12990XCP98000
SQUARE D壓力開關(guān)9080FB3611R9012ADW3M12
SQUARE D壓力開關(guān)9080FB3621JADW4M11990XTS00300
SQUARE D壓力開關(guān)9080FB3621R9012ADW4M119998XL44B
SQUARE D壓力開關(guān)9080LB13ADW4M129999SX6
SQUARE D壓力開關(guān)9080LB219012ADW4M129999SX7
SQUARE D壓力開關(guān)9080LB229012ADW5M119999SX8
SQUARE D壓力開關(guān)9080LB32ADW5M129080LBA263106
SQUARE D壓力開關(guān)9080LB539012ADW5M129080LBA263206
SQUARE D壓力開關(guān)9080LBA1611019012ADW6M119080LBA361104
SQUARE D壓力開關(guān)9080LBA162101ADW6M129080LBA362101
SQUARE D壓力開關(guān)9080LBA1621049012ADW6M129080LBA363106
SQUARE D壓力開關(guān)9080LBA1652089012ADW7M119080LBA365112
SQUARE D壓力開關(guān)9080LBA262101ADW7M129080LBA365208
SQUARE D壓力開關(guān)9080LBA2621049012ADW7M129080LBA365212
SQUARE D壓力開關(guān)9080LBC3621049080LBC263206一級代理   

SQUARE 變壓器 9070T150D33美國原廠直供