熔斷器（fuse）是指當電流超過規定值時，以本身產生的熱量使熔體熔斷，斷開電路的一種電器。熔斷器是根據電流超過規定值一段時間后，以其自身產生的熱量使熔體熔化，從而使電路斷開；運用這種原理制成的一種電流保護器。熔斷器廣泛應用于高低壓配電系統和控制系統以及用電設備中，作為短路和過電流的保護器，是應用最普遍的保護器件之一。
利用(yong)金屬(shu)導體(ti)(ti)(ti)作(zuo)為(wei)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)串聯于(yu)(yu)電(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)，當(dang)(dang)過載或短(duan)(duan)(duan)路(lu)(lu)電(dian)(dian)(dian)(dian)流過熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)時，因其自身發熱而(er)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)，從(cong)而(er)分(fen)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)(de)一種(zhong)(zhong)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)結構簡單，使用(yong)方(fang)便，廣(guang)泛用(yong)于(yu)(yu)電(dian)(dian)(dian)(dian)力系統、各種(zhong)(zhong)電(dian)(dian)(dian)(dian)工設(she)備和(he)(he)(he)(he)家用(yong)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)中(zhong)作(zuo)為(wei)保(bao)護器(qi)(qi)(qi)件。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)主要(yao)由(you)(you)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)、外殼和(he)(he)(he)(he)支(zhi)座(zuo)3部分(fen)組成，其中(zhong)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)是控制熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)特(te)性的(de)(de)(de)(de)(de)(de)(de)(de)關鍵元件。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)材料(liao)、尺(chi)寸(cun)和(he)(he)(he)(he)形狀(zhuang)決定(ding)了(le)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)特(te)性。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)材料(liao)分(fen)為(wei)低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)和(he)(he)(he)(he)高熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)兩(liang)類(lei)(lei)。低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)材料(liao)如鉛和(he)(he)(he)(he)鉛合(he)金，其熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)低容(rong)易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)，由(you)(you)于(yu)(yu)其電(dian)(dian)(dian)(dian)阻(zu)率較(jiao)(jiao)(jiao)大(da)，故(gu)制成熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)截面尺(chi)寸(cun)較(jiao)(jiao)(jiao)大(da)，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)時產(chan)生的(de)(de)(de)(de)(de)(de)(de)(de)金屬(shu)蒸氣較(jiao)(jiao)(jiao)多(duo)，只適(shi)(shi)(shi)用(yong)于(yu)(yu)低分(fen)斷(duan)(duan)(duan)能(neng)力的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)。高熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)材料(liao)如銅、銀(yin)，其熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)高，不(bu)(bu)容(rong)易熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)，但(dan)由(you)(you)于(yu)(yu)其電(dian)(dian)(dian)(dian)阻(zu)率較(jiao)(jiao)(jiao)低，可制成比(bi)低熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)點(dian)(dian)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)較(jiao)(jiao)(jiao)小(xiao)的(de)(de)(de)(de)(de)(de)(de)(de)截面尺(chi)寸(cun)，熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)時產(chan)生的(de)(de)(de)(de)(de)(de)(de)(de)金屬(shu)蒸氣少，適(shi)(shi)(shi)用(yong)于(yu)(yu)高分(fen)斷(duan)(duan)(duan)能(neng)力的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)形狀(zhuang)分(fen)為(wei)絲狀(zhuang)和(he)(he)(he)(he)帶狀(zhuang)兩(liang)種(zhong)(zhong)。改變(bian)(bian)變(bian)(bian)截面的(de)(de)(de)(de)(de)(de)(de)(de)形狀(zhuang)可顯著改變(bian)(bian)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)特(te)性。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)有各種(zhong)(zhong)不(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)特(te)性曲線(xian)，可以適(shi)(shi)(shi)用(yong)于(yu)(yu)不(bu)(bu)同類(lei)(lei)型保(bao)護對(dui)象的(de)(de)(de)(de)(de)(de)(de)(de)需(xu)要(yao)。熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)選擇主要(yao)依據負載的(de)(de)(de)(de)(de)(de)(de)(de)保(bao)護特(te)性和(he)(he)(he)(he)短(duan)(duan)(duan)路(lu)(lu)電(dian)(dian)(dian)(dian)流的(de)(de)(de)(de)(de)(de)(de)(de)大(da)小(xiao)選擇熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)類(lei)(lei)型。對(dui)于(yu)(yu)容(rong)量小(xiao)的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)動機和(he)(he)(he)(he)照明支(zhi)線(xian)，常(chang)采用(yong)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)作(zuo)為(wei)過載及短(duan)(duan)(duan)路(lu)(lu)保(bao)護，因而(er)希望熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)化系數適(shi)(shi)(shi)當(dang)(dang)小(xiao)些(xie)。通(tong)常(chang)選用(yong)鉛錫合(he)金熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)RQA系列熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)。對(dui)于(yu)(yu)較(jiao)(jiao)(jiao)大(da)容(rong)量的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)動機和(he)(he)(he)(he)照明干線(xian)，則應著重考慮短(duan)(duan)(duan)路(lu)(lu)保(bao)護和(he)(he)(he)(he)分(fen)斷(duan)(duan)(duan)能(neng)力。通(tong)常(chang)選用(yong)具(ju)(ju)有較(jiao)(jiao)(jiao)高分(fen)斷(duan)(duan)(duan)能(neng)力的(de)(de)(de)(de)(de)(de)(de)(de)RM10和(he)(he)(he)(he)RL1系列的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)；當(dang)(dang)短(duan)(duan)(duan)路(lu)(lu)電(dian)(dian)(dian)(dian)流很大(da)時，宜采用(yong)具(ju)(ju)有限流作(zuo)用(yong)的(de)(de)(de)(de)(de)(de)(de)(de)RT0和(he)(he)(he)(he)RTl2系列的(de)(de)(de)(de)(de)(de)(de)(de)熔(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)斷(duan)(duan)(duan)器(qi)(qi)(qi)

光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)式(shi)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)photoelectric transducer，基于光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)效(xiao)(xiao)(xiao)應(ying)(ying)的傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)，在(zai)(zai)受到(dao)可見光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)照射后即(ji)產生光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)效(xiao)(xiao)(xiao)應(ying)(ying)，將光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)信號(hao)轉(zhuan)換(huan)成電(dian)(dian)(dian)信號(hao)輸出。它除能測量光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)強之外，還能利用光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)線的透射、遮擋(dang)、反(fan)射、干涉(she)等測量多種(zhong)物理(li)量，如尺(chi)寸、位移、速度(du)、溫度(du)等，因(yin)而是(shi)(shi)一種(zhong)應(ying)(ying)用極廣泛的重要敏(min)(min)(min)感(gan)器(qi)(qi)(qi)(qi)件。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)測量時不(bu)(bu)與(yu)被(bei)(bei)測對象直(zhi)接(jie)(jie)接(jie)(jie)觸，光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)束(shu)的質量又(you)近似為(wei)零，在(zai)(zai)測量中(zhong)不(bu)(bu)存在(zai)(zai)摩擦(ca)和(he)對被(bei)(bei)測對象幾乎不(bu)(bu)施加壓力。因(yin)此在(zai)(zai)許(xu)多應(ying)(ying)用場合，光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)式(shi)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)比(bi)其他傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)有(you)明顯(xian)的優越性。其缺點是(shi)(shi)在(zai)(zai)某些應(ying)(ying)用方面，光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)學器(qi)(qi)(qi)(qi)件和(he)電(dian)(dian)(dian)子器(qi)(qi)(qi)(qi)件價(jia)格較貴，并且對測量的環境(jing)條件要求較高。基于外光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)效(xiao)(xiao)(xiao)應(ying)(ying)的光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)敏(min)(min)(min)感(gan)器(qi)(qi)(qi)(qi)件有(you)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)管(guan)和(he)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)倍(bei)增管(guan)。基于光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)導效(xiao)(xiao)(xiao)應(ying)(ying)的有(you)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)敏(min)(min)(min)電(dian)(dian)(dian)阻。基于勢(shi)壘(lei)效(xiao)(xiao)(xiao)應(ying)(ying)的有(you)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二極管(guan)和(he)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)三(san)極管(guan)(見半導體(ti)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)敏(min)(min)(min)元件)。基于側向光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)效(xiao)(xiao)(xiao)應(ying)(ying)的有(you)反(fan)轉(zhuan)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)敏(min)(min)(min)二極管(guan)。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)式(shi)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)還可按信號(hao)形式(shi)分為(wei)模擬式(shi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)和(he)數字式(shi)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)。光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)式(shi)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)還有(you)光(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)(guang)纖傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)、固體(ti)圖像傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)等

WEBER    備件    768901
WEBER    熱金屬檢測器    熱金屬檢測器FotoCaptor QuartzRod Type100L 12OusableandFibreOpticCableType1042
WEBER    備件    NH000 KTF 100A  500V
WEBER    傳感器    4120.13 S125 24VDC
WEBER    保險    3202.02
WEBER    鏈輪    sproket 08B-1 Z=25 Bohrung3 10261
WEBER    驅動輥輪    32901023 120mm
WEBER    備件    1045-5
WEBER    熱金屬檢測器含保護套等全套附件    1242.43VL100S102 350degreeCN-GS24V
WEBER    流量計    3201.03
WEBER    螺絲    SER03  1121410
WEBER    熔斷器    Fuse 10.3X38 6A aM(380vac)
WEBER    熱金屬檢測器    1342.43V L100 S110/550℃
WEBER    流量計    3201.03
WEBER    熔芯    1432032 (32A)
WEBER    傳感器    1342.43V L100 S100 650℃
WEBER    檢測器    FOTOCAPTOR，1342，43V，L100S100
WEBER    SENSORS    TYPE 4115.30
WEBER    熱金屬檢測器    1342.43VL100 650℃
WEBER    斷路器    W125-P1  100A
WEBER    備件    346-330-7-SA10
WEBER    熱金屬檢測器    1332.14
WEBER    傳感器    2610.30
WEBER    熱金屬檢測器    Foto Captor 1342.43VL100
WEBER    旋轉支架    768901
WEBER    備件    1307.43 S110
WEBER    備件    1147096/10
WEBER    熔芯    1432050 （50A）
WEBER    熱金屬檢測器    FotoCaptor-1342.43V-L100
WEBER    傳感器    4120.13 S125 24VDC
WEBER    備件    579439
WEBER    彈簧    109991   0.32x/6.5D-039
WEBER    熱金屬檢測器    Type:1332.14, MH6
WEBER    備件    466816
WEBER    驅動輥輪    32901023 120mm
WEBER    傳感器    傳感器 3201.02
WEBER    石英棒及帶空氣吹掃的石英棒保護殼    100 100L (K768935，K768013)(與FOTO-CAPTORS1101307.4324VDC石英棒配套)安裝方式:地腳螺栓緊固 響應時間:0.1MS 環境溫度:不大于450℃  防護等級:IP65 外殼材質:不銹鋼 使用地點:軋線高溫計 備注 石英棒長度100MM 視場角度12°
WEBER    熱電偶    60392
WEBER    備件    WBV414S01-0.5  0-100V 4-20MA
WEBER    熱檢    1342.43V L100 S100
WEBER    熱金屬檢測器    4120.13
WEBER    熱金屬檢測器    1003HSLL 配安裝底座及2米電纜
WEBER    傳感器    WN123462
WEBER    傳感器    CAPTOR 4120.13 S125 24DVC
WEBER    熱檢    4120.41M S125 BSP
WEBER    驅動輥橡膠    32901027 120mm
WEBER    磁力開關    order nr.132913
WEBER    熱金屬探測器    FD-HMD300-R2-C2
WEBER    備件    3201.03/24vdc/500mAmax
WEBER    備件    GWR0808PS/OS2
WEBER    熱金屬檢測器    1242.43VL100
WEBER    壓力(li)傳(chuan)感器    CP216/143-216-000-215

WEBER   斷路器 W125-P1  100A翊霈代理供應

WEBER   斷路器 W125-P1  100A翊霈代(dai)理(li)供應