晉中市DACO接觸器DCP-31SRH,DCP-32PRN,DCP-32SRN,中山立訊電氣有限公司銷(xiāo)售韓國(guó)POWERPLAZA開(kāi)關(guān)電源價(jià)格優(yōu)惠
No
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Images
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Model
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Safety
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DATA
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Vin
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Vout
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Iout
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Outputs
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Price
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Status
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10
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PBR50-48-15
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36 ~ 75V
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15V
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3.30A
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single
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$46.73
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Call
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9
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PBR50-48-12
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36 ~ 75V
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12V
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4.10A
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single
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$46.73
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Call
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8
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PBR50-48-5
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36 ~ 75V
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5V
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10.00A
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single
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$46.73
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Call
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7
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PBR50-48-3R3
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36 ~ 75V
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3.3V
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15.00A
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single
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$46.73
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Sale
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6
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PBR50-48-2R5
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36 ~ 75V
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2.5V
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15.00A
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single
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$46.73
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Sale
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5
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PBR50-24-15
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18 ~ 36V
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15V
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3.30A
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single
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$43.18
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Sale
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4
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PBR50-24-12
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18 ~ 36V
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12V
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4.10A
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single
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$43.18
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Sale
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3
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PBR50-24-5
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18 ~ 36V
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5V
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10.00A
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single
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$43.18
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Sale
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2
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PBR50-24-3R3
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18 ~ 36V
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3.3V
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15.00A
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single
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$43.18
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Sale
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1
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PBR50-24-2R5
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18 ~ 36V
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2.5V
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15.00A
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single
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$43.18
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Sale
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1
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UPM18A-48-12
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36 ~ 60
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12
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18.00
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single
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$0.00
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Call
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3
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YPM600-96-12
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60 ~ 115V
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12V
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50.00A
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single
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$377.95
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New
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2
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YPM600-72-12
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50 ~ 100V
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12V
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50.00A
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single
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$377.95
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Call
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1
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YPM600-48-12
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36 ~ 75V
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12V
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50.00A
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single
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$383.09
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New
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2
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LPM600-96-13R8
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60 ~ 115V
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13.8V
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43.50A
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single
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$0.00
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Prea
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1
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LPM600-48-13R8
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36 ~ 75V
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13.8V
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43.50A
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single
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$0.00
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Prea
|
t為熱穩(wěn)定電流時(shí)間。額定容量電流互感器二次額定容量要大于實(shí)際二次負(fù)載,實(shí)際二次負(fù)載應(yīng)為25~二次額定容量。容量決定二次側(cè)負(fù)載阻抗,負(fù)載阻抗又影響測(cè)量或控制精度。負(fù)載阻抗主要受測(cè)量?jī)x表和繼電器線圈電阻、電抗及接線接觸電阻、二次連接導(dǎo)線電阻的影響。使用注意事項(xiàng)編輯使用原則1)電流互感器的接線應(yīng)遵守串聯(lián)原則[8]:即一次繞阻應(yīng)與被測(cè)電路串聯(lián),而二次繞阻則與所有儀表負(fù)載電流互感器電流互感器串聯(lián)2)按被測(cè)電流大小,選擇合適的變比,否則誤差將增大。同時(shí),二次側(cè)一端必須接地,以防絕緣一旦損壞時(shí),一次側(cè)高壓竄入二次低壓側(cè),造成人身和設(shè)備事故3)二次側(cè)不允許開(kāi)路,因一旦開(kāi)路,一次側(cè)電流I1全部成為磁化電流,引起φm和E2驟增。3.主要參數(shù)⑴在截止?fàn)顟B(tài)時(shí)①擊穿電壓Uceo和Ucex:能使集電極C和發(fā)射極E之間擊穿的電壓;鶚OB開(kāi)路是用Uceo表示,B、E間接入反向偏壓時(shí)用Ucex表示。在大多數(shù)情況下,這兩個(gè)數(shù)據(jù)是相等的。②漏電流Iceo和Icex:截止?fàn)顟B(tài)下,從C極流向E極的電流。B極開(kāi)路時(shí)為Iceo,B、E間反偏時(shí)為Icex。⑵在飽和狀態(tài)時(shí)①集電極電流Icm:GTR飽和導(dǎo)通是的允許電流。②飽和壓降Uces:當(dāng)GTR飽和導(dǎo)通時(shí),C、E間的電壓降。⑶在開(kāi)關(guān)過(guò)程中①開(kāi)通時(shí)間Ton:從B極通入正向信號(hào)電流時(shí)起,到集電極電流上升到0.9Ics所需要的時(shí)間。②關(guān)斷時(shí)間Toff:從基極電流撤消時(shí)起,至Ic下降至0.1Ics所需的時(shí)間開(kāi)通時(shí)間和關(guān)斷時(shí)間將直接影響到SPWM調(diào)制是的載波頻率。
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