HR3刀開關(guān)，*。銷售電話（微信）：

一、適用范圍

         HR3熔斷器式刀開關(guān)用于交流50Hz，額定工作電壓380V，額定電流100A-1000A的配電系統(tǒng)中作為短路保護(hù)和電纜、導(dǎo)線的過載保護(hù)之用。在正常情況下，

可供不頻繁的手動接通和分?jǐn)嗾Ｘ?fù)載電流與過載電流，在短路情況下，由熔體熔斷來切斷電流。

二、型號及含義

1表示正面?zhèn)确礁軛U機(jī)構(gòu)式，前檢修；2表示正面杠桿傳動機(jī)構(gòu)式，后檢修；3表示側(cè)面操作手柄式，前檢修；4表示無面板正面?zhèn)确礁軛U傳動機(jī)構(gòu)式，前檢修；

極數(shù)：3極

額定電流（A)

HR熔斷式刀開關(guān)

三、主要技術(shù)參數(shù)

型號                額定工作電壓（ue）V                  額定絕緣電壓(ui)V    額定工作電流 le(A)    約定發(fā)熱電流（ith）A            配用熔斷體

HR3-100                                                                                                                   100                                       100                                      RTO-100

HR3-200                                                                                                                    200                                      200                                      RTO-200

HR3-400                        380                                                 660                             400                                       400                                     RTO-400

HR3-600                                                                                                                    600                                        600                                    RTO-600

HR3-1000                                                                                                                 1000                                      1000                                  RTO-1000