獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,韓國(guó)Sinwoo S-CON變送器。中山立訊電氣有限公司,中山朗立電氣有限公司
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RTD-2B8-W RTD-2B8-X RTD-2B8-Y RTD-2B8-Z
RTD-2BR-W RTD-2BR-X RTD-2BR-Y RTD-2BR-Z
RTD-2BN-W RTD-2BN-X RTD-2BN-Y RTD-2BN-Z
RTD-2C1-W RTD-2C1-X RTD-2C1-Y RTD-2C1-Z
RTD-2C2-W RTD-2C2-X RTD-2C2-Y RTD-2C2-Z
RTD-2C3-W RTD-2C3-X RTD-2C3-Y RTD-2C3-Z
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RTD-2C5-W RTD-2C5-X RTD-2C5-Y RTD-2C5-Z
RTD-2C6-W RTD-2C6-X RTD-2C6-Y RTD-2C6-Z
當(dāng)時(shí),國(guó)內(nèi)鼠籠型異步電動(dòng)機(jī)一般采用直接啟動(dòng),或用自耦、星三角啟動(dòng)器啟動(dòng)。上世紀(jì)九十年代,以單片機(jī)為核心、半導(dǎo)體可控硅為執(zhí)行元件的智能化電機(jī)軟啟動(dòng)器進(jìn)入市場(chǎng),并在2000年以后開始加速發(fā)展,目前市場(chǎng)規(guī)模約為20億。軟啟動(dòng)器主要解決電動(dòng)機(jī)啟動(dòng)時(shí)對(duì)電網(wǎng)的沖擊和啟動(dòng)后旁路接觸器工作的問題,對(duì)電機(jī)有較好的保護(hù)作用,在輕載情況下可以實(shí)現(xiàn)一定程度的節(jié)能(約5%),但是節(jié)能效果遠(yuǎn)遠(yuǎn)不如變頻器。隨著變頻器產(chǎn)業(yè)的崛起,并因此使變頻器的價(jià)格大幅下降,近幾年來(lái),變頻器才又逐漸取代了軟啟動(dòng)器的作用。變頻器的國(guó)產(chǎn)化進(jìn)程正在快速崛起,質(zhì)量穩(wěn)定性進(jìn)步很快,加上服務(wù)和成本上的優(yōu)勢(shì),變頻調(diào)速的性價(jià)比高,質(zhì)量和價(jià)格的競(jìng)爭(zhēng)優(yōu)勢(shì)越來(lái)越明顯。
獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,
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RTD-2G1-W RTD-2G1-X RTD-2G1-Y RTD-2G1-Z
RTD-2G2-W RTD-2G2-X RTD-2G2-Y RTD-2G2-Z
RTD-2G3-W RTD-2G3-X RTD-2G3-Y RTD-2G3-Z
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RTD-2G8-W RTD-2G8-X RTD-2G8-Y RTD-2G8-Z
RTD-2GR-W RTD-2GR-X RTD-2GR-Y RTD-2GR-Z
RTD-2GN-W RTD-2GN-X RTD-2GN-Y RTD-2GN-Z
RTD-2H1-W RTD-2H1-X RTD-2H1-Y RTD-2H1-Z
RTD-2H2-W RTD-2H2-X RTD-2H2-Y RTD-2H2-Z
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RTD-2L7-W RTD-2L7-X RTD-2L7-Y RTD-2L7-Z
RTD-2L8-W RTD-2L8-X RTD-2L8-Y RTD-2L8-Z
RTD-2LR-W RTD-2LR-X RTD-2LR-Y RTD-2LR-Z
RTD-2LN-W RTD-2LN-X RTD-2LN-Y RTD-2LN-Z
RTD-2R1-W RTD-2R1-X RTD-2R1-Y RTD-2R1-Z
RTD-2R2-W RTD-2R2-X RTD-2R2-Y RTD-2R2-Z
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RTD-2R4-W RTD-2R4-X RTD-2R4-Y RTD-2R4-Z
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RTD-2R7-W RTD-2R7-X RTD-2R7-Y RTD-2R7-Z
RTD-2R8-W RTD-2R8-X RTD-2R8-Y RTD-2R8-Z
RTD-2RR-W RTD-2RR-X RTD-2RR-Y RTD-2RR-Z
RTD-2RN-W RTD-2RN-X RTD-2RN-Y RTD-2RN-Z
RTD-4A1-W RTD-4A1-X RTD-4A1-Y RTD-4A1-Z
RTD-4A2-W RTD-4A2-X RTD-4A2-Y RTD-4A2-Z
RTD-4A3-W RTD-4A3-X RTD-4A3-Y RTD-4A3-Z
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RTD-4A8-W RTD-4A8-X RTD-4A8-Y RTD-4A8-Z
RTD-4AR-W RTD-4AR-X RTD-4AR-Y RTD-4AR-Z
RTD-4AN-W RTD-4AN-X RTD-4AN-Y RTD-4AN-Z
RTD-4B1-W RTD-4B1-X RTD-4B1-Y RTD-4B1-Z
RTD-4B2-W RTD-4B2-X RTD-4B2-Y RTD-4B2-Z
RTD-4B3-W RTD-4B3-X RTD-4B3-Y RTD-4B3-Z
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RTD-4B7-W RTD-4B7-X RTD-4B7-Y RTD-4B7-Z
RTD-4B8-W RTD-4B8-X RTD-4B8-Y RTD-4B8-Z
RTD-4BR-W RTD-4BR-X RTD-4BR-Y RTD-4BR-Z
RTD-4BN-W RTD-4BN-X RTD-4BN-Y RTD-4BN-Z
RTD-4C1-W RTD-4C1-X RTD-4C1-Y RTD-4C1-Z
RTD-4C2-W RTD-4C2-X RTD-4C2-Y RTD-4C2-Z
RTD-4C3-W RTD-4C3-X RTD-4C3-Y RTD-4C3-Z
RTD-4C4-W RTD-4C4-X RTD-4C4-Y RTD-4C4-Z
RTD-4C5-W RTD-4C5-X RTD-4C5-Y RTD-4C5-Z
RTD-4C6-W RTD-4C6-X RTD-4C6-Y RTD-4C6-Z
RTD-4C7-W RTD-4C7-X RTD-4C7-Y RTD-4C7-Z
RTD-4C8-W RTD-4C8-X RTD-4C8-Y RTD-4C8-Z
RTD-4CR-W RTD-4CR-X RTD-4CR-Y RTD-4CR-Z
RTD-4CN-W RTD-4CN-X RTD-4CN-Y RTD-4CN-Z
RTD-4D1-W RTD-4D1-X RTD-4D1-Y RTD-4D1-Z
RTD-4D2-W RTD-4D2-X RTD-4D2-Y RTD-4D2-Z
RTD-4D3-W RTD-4D3-X RTD-4D3-Y RTD-4D3-Z
RTD-4D4-W RTD-4D4-X RTD-4D4-Y RTD-4D4-Z
RTD-4D5-W RTD-4D5-X RTD-4D5-Y RTD-4D5-Z
RTD-4D6-W RTD-4D6-X RTD-4D6-Y RTD-4D6-Z
RTD-4D7-W RTD-4D7-X RTD-4D7-Y RTD-4D7-Z
RTD-4D8-W RTD-4D8-X RTD-4D8-Y RTD-4D8-Z
RTD-4DR-W RTD-4DR-X RTD-4DR-Y RTD-4DR-Z
RTD-4DN-W RTD-4DN-X RTD-4DN-Y RTD-4DN-Z
RTD-4E1-W RTD-4E1-X RTD-4E1-Y RTD-4E1-Z
RTD-4E2-W RTD-4E2-X RTD-4E2-Y RTD-4E2-Z
RTD-4E3-W RTD-4E3-X RTD-4E3-Y RTD-4E3-Z
RTD-4E4-W RTD-4E4-X RTD-4E4-Y RTD-4E4-Z
RTD-4E5-W RTD-4E5-X RTD-4E5-Y RTD-4E5-Z
RTD-4E6-W RTD-4E6-X RTD-4E6-Y RTD-4E6-Z
RTD-4E7-W RTD-4E7-X RTD-4E7-Y RTD-4E7-Z
基礎(chǔ)頂部應(yīng)預(yù)埋M24地腳螺栓,螺栓露出基礎(chǔ)高度應(yīng)不小于100mm,螺栓的預(yù)埋位置偏差不得大于±2mm;引入電纜預(yù)埋鋼管的位置及規(guī)格等)。23)立桿及其主要構(gòu)件的室外控制開關(guān)箱應(yīng)采用不銹鋼箱體,并對(duì)其表面作噴塑處理。24)立桿采用Φ159×6直縫鋼管;立桿與橫支臂的連接端頭(0.2m)采用Φ89×4.5直縫鋼管,焊接加強(qiáng)板(δ10鋼板)保護(hù);立桿與基礎(chǔ)采用法蘭盤加預(yù)埋螺栓連接,焊接加強(qiáng)板(δ10鋼板)保護(hù);橫支臂與立桿端頭連接方式采用法蘭盤連接,并進(jìn)行焊接加強(qiáng)板(δ10鋼板)保護(hù);立桿的中心軸線距橫支臂靠路中心一側(cè)端頭的間距為5m。橫支臂采用Φ89×4.5直縫鋼管;且橫支臂中間均勻焊接立管3根,采用Φ60×4.5鋼管。
獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,
RTD-4E8-W RTD-4E8-X RTD-4E8-Y RTD-4E8-Z
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RTD-4EN-W RTD-4EN-X RTD-4EN-Y RTD-4EN-Z
RTD-4F1-W RTD-4F1-X RTD-4F1-Y RTD-4F1-Z
RTD-4F2-W RTD-4F2-X RTD-4F2-Y RTD-4F2-Z
RTD-4F3-W RTD-4F3-X RTD-4F3-Y RTD-4F3-Z
RTD-4F4-W RTD-4F4-X RTD-4F4-Y RTD-4F4-Z
RTD-4F5-W RTD-4F5-X RTD-4F5-Y RTD-4F5-Z
RTD-4F6-W RTD-4F6-X RTD-4F6-Y RTD-4F6-Z
RTD-4F7-W RTD-4F7-X RTD-4F7-Y RTD-4F7-Z
RTD-4F8-W RTD-4F8-X RTD-4F8-Y RTD-4F8-Z
RTD-4FR-W RTD-4FR-X RTD-4FR-Y RTD-4FR-Z
RTD-4FN-W RTD-4FN-X RTD-4FN-Y RTD-4FN-Z
RTD-4G1-W RTD-4G1-X RTD-4G1-Y RTD-4G1-Z
RTD-4G2-W RTD-4G2-X RTD-4G2-Y RTD-4G2-Z
RTD-4G3-W RTD-4G3-X RTD-4G3-Y RTD-4G3-Z
RTD-4G4-W RTD-4G4-X RTD-4G4-Y RTD-4G4-Z
RTD-4G5-W RTD-4G5-X RTD-4G5-Y RTD-4G5-Z
RTD-4G6-W RTD-4G6-X RTD-4G6-Y RTD-4G6-Z
RTD-4G7-W RTD-4G7-X RTD-4G7-Y RTD-4G7-Z
RTD-4G8-W RTD-4G8-X RTD-4G8-Y RTD-4G8-Z
RTD-4GR-W RTD-4GR-X RTD-4GR-Y RTD-4GR-Z
RTD-4GN-W RTD-4GN-X RTD-4GN-Y RTD-4GN-Z
RTD-4H1-W RTD-4H1-X RTD-4H1-Y RTD-4H1-Z
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現(xiàn)已逐步代替白熾燈、低壓鹵鎢燈制作道路交通信號(hào)燈。特點(diǎn)編輯特點(diǎn)及性能(1)標(biāo)準(zhǔn):符合中華人民共和國(guó)GB14887-2006標(biāo)準(zhǔn)。(2)外觀設(shè)計(jì):信號(hào)燈桿所裝燈具為400×400mm紅黃綠三色高亮度像素管發(fā)光燈具(箭頭燈)像素管直徑50mm。(3)光源:采用進(jìn)口芯片四元素超高亮發(fā)光二極管(LED),壽命大于10萬(wàn)小時(shí)性能指標(biāo)額定功率:¢400mm單燈額定功率小于或等于15W。額定電壓:AC176=264V,50HZ。發(fā)光強(qiáng)度:紅928CD,黃714CD,綠989CD光源壽命:大于10萬(wàn)小時(shí)??梢暯嵌龋捍笥?0度可視距離:¢400mm信號(hào)燈≥500m外殼防護(hù)等級(jí):≥IP53耐溫:-40℃~+75℃絕緣電阻:大于500MΩ介電強(qiáng)度:耐壓1440VAC防塵:符合GB14887-2006標(biāo)準(zhǔn)抗振動(dòng):符合GB14887-2006標(biāo)準(zhǔn)抗風(fēng)壓:145KM/H歷史編輯交通指揮燈是非裔美國(guó)人加萊特摩根在1923年發(fā)明的。
獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,
RTD-9F6-W RTD-9F6-X RTD-9F6-Y RTD-9F6-Z
RTD-9F7-W RTD-9F7-X RTD-9F7-Y RTD-9F7-Z
RTD-9F8-W RTD-9F8-X RTD-9F8-Y RTD-9F8-Z
RTD-9FR-W RTD-9FR-X RTD-9FR-Y RTD-9FR-Z
RTD-9FN-W RTD-9FN-X RTD-9FN-Y RTD-9FN-Z
RTD-9G1-W RTD-9G1-X RTD-9G1-Y RTD-9G1-Z
RTD-9G2-W RTD-9G2-X RTD-9G2-Y RTD-9G2-Z
RTD-9G3-W RTD-9G3-X RTD-9G3-Y RTD-9G3-Z
RTD-9G4-W RTD-9G4-X RTD-9G4-Y RTD-9G4-Z
RTD-9G5-W RTD-9G5-X RTD-9G5-Y RTD-9G5-Z
RTD-9G6-W RTD-9G6-X RTD-9G6-Y RTD-9G6-Z
RTD-9G7-W RTD-9G7-X RTD-9G7-Y RTD-9G7-Z
RTD-9G8-W RTD-9G8-X RTD-9G8-Y RTD-9G8-Z
RTD-9GR-W RTD-9GR-X RTD-9GR-Y RTD-9GR-Z
RTD-9GN-W RTD-9GN-X RTD-9GN-Y RTD-9GN-Z
RTD-9H1-W RTD-9H1-X RTD-9H1-Y RTD-9H1-Z
RTD-9H2-W RTD-9H2-X RTD-9H2-Y RTD-9H2-Z
RTD-9H3-W RTD-9H3-X RTD-9H3-Y RTD-9H3-Z
RTD-9H4-W RTD-9H4-X RTD-9H4-Y RTD-9H4-Z
RTD-9H5-W RTD-9H5-X RTD-9H5-Y RTD-9H5-Z
RTD-9H6-W RTD-9H6-X RTD-9H6-Y RTD-9H6-Z
RTD-9H7-W RTD-9H7-X RTD-9H7-Y RTD-9H7-Z
RTD-9H8-W RTD-9H8-X RTD-9H8-Y RTD-9H8-Z
RTD-9HR-W RTD-9HR-X RTD-9HR-Y RTD-9HR-Z
RTD-9HN-W RTD-9HN-X RTD-9HN-Y RTD-9HN-Z
RTD-9I1-W RTD-9I1-X RTD-9I1-Y RTD-9I1-Z
RTD-9I2-W RTD-9I2-X RTD-9I2-Y RTD-9I2-Z
RTD-9I3-W RTD-9I3-X RTD-9I3-Y RTD-9I3-Z
RTD-9I4-W RTD-9I4-X RTD-9I4-Y RTD-9I4-Z
RTD-9I5-W RTD-9I5-X RTD-9I5-Y RTD-9I5-Z
RTD-9I6-W RTD-9I6-X RTD-9I6-Y RTD-9I6-Z
RTD-9I7-W RTD-9I7-X RTD-9I7-Y RTD-9I7-Z
RTD-9I8-W RTD-9I8-X RTD-9I8-Y RTD-9I8-Z
RTD-9IR-W RTD-9IR-X RTD-9IR-Y RTD-9IR-Z
RTD-9IN-W RTD-9IN-X RTD-9IN-Y RTD-9IN-Z
RTD-9J1-W RTD-9J1-X RTD-9J1-Y RTD-9J1-Z
RTD-9J2-W RTD-9J2-X RTD-9J2-Y RTD-9J2-Z
RTD-9J3-W RTD-9J3-X RTD-9J3-Y RTD-9J3-Z
RTD-9J4-W RTD-9J4-X RTD-9J4-Y RTD-9J4-Z
RTD-9J5-W RTD-9J5-X RTD-9J5-Y RTD-9J5-Z
RTD-9J6-W RTD-9J6-X RTD-9J6-Y RTD-9J6-Z
RTD-9J7-W RTD-9J7-X RTD-9J7-Y RTD-9J7-Z
如市電電源或蓄電池電源,轉(zhuǎn)換成滿足設(shè)備要求的質(zhì)量較高的直流電壓(精電)。直流開關(guān)電源的核心是DC/DC轉(zhuǎn)換器。因此直流開關(guān)電源的分類是依賴DC/DC轉(zhuǎn)換器分類的。也就是說(shuō),直流開關(guān)電源的分類與DC/DC轉(zhuǎn)換器的分類是基本相同的,DC/DC轉(zhuǎn)換器的分類基本上就是直流開關(guān)電源的分類。直流DC/DC轉(zhuǎn)換器按輸入與輸出之間是否有電氣隔離可以分為兩類:一類是有隔離的稱為隔離式DC/DC轉(zhuǎn)換器;另一類是沒有隔離的稱為非隔離式DC/DC轉(zhuǎn)換器。隔離式DC/DC轉(zhuǎn)換器也可以按有源功率器件的個(gè)數(shù)來(lái)分類。單管的DC/DC轉(zhuǎn)換器有正激式(Forward)和反激式(Flyback)兩種。雙管DC/DC轉(zhuǎn)換器有雙管正激式(DoubleTransistorForwardConverter)。
獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,
RTD-9J8-W RTD-9J8-X RTD-9J8-Y RTD-9J8-Z
RTD-9JR-W RTD-9JR-X RTD-9JR-Y RTD-9JR-Z
RTD-9JN-W RTD-9JN-X RTD-9JN-Y RTD-9JN-Z
RTD-9K1-W RTD-9K1-X RTD-9K1-Y RTD-9K1-Z
RTD-9K2-W RTD-9K2-X RTD-9K2-Y RTD-9K2-Z
RTD-9K3-W RTD-9K3-X RTD-9K3-Y RTD-9K3-Z
RTD-9K4-W RTD-9K4-X RTD-9K4-Y RTD-9K4-Z
RTD-9K5-W RTD-9K5-X RTD-9K5-Y RTD-9K5-Z
RTD-9K6-W RTD-9K6-X RTD-9K6-Y RTD-9K6-Z
RTD-9K7-W RTD-9K7-X RTD-9K7-Y RTD-9K7-Z
RTD-9K8-W RTD-9K8-X RTD-9K8-Y RTD-9K8-Z
RTD-9KR-W RTD-9KR-X RTD-9KR-Y RTD-9KR-Z
RTD-9KN-W RTD-9KN-X RTD-9KN-Y RTD-9KN-Z
RTD-9L1-W RTD-9L1-X RTD-9L1-Y RTD-9L1-Z
RTD-9L2-W RTD-9L2-X RTD-9L2-Y RTD-9L2-Z
RTD-9L3-W RTD-9L3-X RTD-9L3-Y RTD-9L3-Z
RTD-9L4-W RTD-9L4-X RTD-9L4-Y RTD-9L4-Z
RTD-9L5-W RTD-9L5-X RTD-9L5-Y RTD-9L5-Z
RTD-9L6-W RTD-9L6-X RTD-9L6-Y RTD-9L6-Z
RTD-9L7-W RTD-9L7-X RTD-9L7-Y RTD-9L7-Z
RTD-9L8-W RTD-9L8-X RTD-9L8-Y RTD-9L8-Z
RTD-9LR-W RTD-9LR-X RTD-9LR-Y RTD-9LR-Z
RTD-9LN-W RTD-9LN-X RTD-9LN-Y RTD-9LN-Z
RTD-9R1-W RTD-9R1-X RTD-9R1-Y RTD-9R1-Z
RTD-9R2-W RTD-9R2-X RTD-9R2-Y RTD-9R2-Z
RTD-9R3-W RTD-9R3-X RTD-9R3-Y RTD-9R3-Z
RTD-9R4-W RTD-9R4-X RTD-9R4-Y RTD-9R4-Z
RTD-9R5-W RTD-9R5-X RTD-9R5-Y RTD-9R5-Z
RTD-9R6-W RTD-9R6-X RTD-9R6-Y RTD-9R6-Z
RTD-9R7-W RTD-9R7-X RTD-9R7-Y RTD-9R7-Z
RTD-9R8-W RTD-9R8-X RTD-9R8-Y RTD-9R8-Z
RTD-9RR-W RTD-9RR-X RTD-9RR-Y RTD-9RR-Z
RTD-9RN-W RTD-9RN-X RTD-9RN-Y RTD-9RN-Z
熱性能要求當(dāng)環(huán)境溫度為40℃時(shí),繼電器線圈長(zhǎng)期承受110%額定電流,其允許溫升不超過65℃。介質(zhì)強(qiáng)度絕緣電阻不小于300MΩ,繼電器所有電路對(duì)外殼和非帶電的金屬部分,以及在電氣上無(wú)聯(lián)系的各電路之間的應(yīng)能承受2kV(有效值)50Hz交流試驗(yàn)電壓,歷時(shí)1min,無(wú)絕緣擊穿或閃絡(luò)現(xiàn)象。壽命GL-11~21~24型繼電器機(jī)械壽命為5000次,電壽命為500次;GL-26型繼電器機(jī)械壽命為500次,電壽命為500次。過流繼電器編輯用途JGL-10系列靜態(tài)反時(shí)限過流繼電器具有反時(shí)限特性,用于發(fā)電機(jī)、變壓器及輸配電系統(tǒng)的繼電器保護(hù)裝置中。在設(shè)備過負(fù)荷或短路時(shí),能按預(yù)定的時(shí)限可靠動(dòng)作。
獻(xiàn)縣SANIL開關(guān)SUD-30M3,2~3m,??NPN,2m,