跑偏開關(guān)接觸部分發(fā)熱是由于壓緊是彈簧或螺栓松動和表面氧化所致，通常發(fā)展很快。因為受熱的影響接觸部分更容易氧化，使其電阻增加，跑偏開關(guān)溫度升高；若不斷發(fā)展下去便可能會發(fā)生電弧，進而變位接地短路和相間短路。
雙母線系統(tǒng)中，跑偏開關(guān)當一組線的隔離開關(guān)發(fā)熱時，應(yīng)將發(fā)熱的隔離開關(guān)切換到另一組線路上去。若是單母線系統(tǒng)的隔離開關(guān)，則應(yīng)減輕負荷；條件允許的情況下*好將隔離開關(guān)退出運行，如果母線可以停電應(yīng)立即進行檢修。跑偏開關(guān)因為負荷關(guān)系不能停電檢修又不能減輕負荷時，須加強監(jiān)視。如發(fā)現(xiàn)溫度劇烈上升，應(yīng)按規(guī)程的規(guī)定斷開相應(yīng)的斷路器。
線路隔離開關(guān)接觸部分發(fā)熱時，跑偏開關(guān)其處理辦法與單母線隔離開關(guān)相同，不同之處是該隔離開關(guān)有串聯(lián)的斷路器可以防止事故的發(fā)展，跑偏開關(guān)因此隔離開關(guān)可以繼續(xù)運行，但需加強監(jiān)視，直到可以停電檢修為止。
XSJ/C-H2KT0B0A0S1V0,XSJ/C-H2KT0B0A0S1V1,XSJ/C-H2KT0B0A0S1V2流量積算儀
XSJ/C-H2KT0B0A0S2V0,XSJ/C-H2KT0B0A0S2V1,XSJ/C-H2KT0B0A0S2V2
XSJ/C-H2KT0B0A0S3V0,XSJ/C-H2KT0B0A0S3V1,XSJ/C-H2KT0B0A0S3V2
XSJ/C-H2KT0B0A1S0V0,XSJ/C-H2KT0B0A1S0V1,XSJ/C-H2KT0B0A1S0V2
XSJ/C-H2KT0B0A1S1V0,XSJ/C-H2KT0B0A1S1V1,XSJ/C-H2KT0B0A1S1V2流量積算儀
XSJ/C-H2KT0B0A1S2V0,XSJ/C-H2KT0B0A1S2V1,XSJ/C-H2KT0B0A1S2V2
XSJ/C-H2KT0B0A1S3V0,XSJ/C-H2KT0B0A1S3V1,XSJ/C-H2KT0B0A1S3V2
XSJ/C-H2KT0B0A2S0V0,XSJ/C-H2KT0B0A2S0V1,XSJ/C-H2KT0B0A2S0V2流量積算儀
XSJ/C-H2KT0B0A2S1V0,XSJ/C-H2KT0B0A2S1V1,XSJ/C-H2KT0B0A2S1V2
XSJ/C-H2KT0B0A2S2V0,XSJ/C-H2KT0B0A2S2V1,XSJ/C-H2KT0B0A2S2V2
CSPBL-WS,CSPBL-WP,CSPBL-WM,CSPBL-WA,CSPBL-WV,CSPB2L-WS,CSPB2L-WP,工業(yè)用聲光報警器
CSPB2L-WM,CSPB2L-WA,CSPB2L-WV,
CSHSA-WS,CSHSAL-WP,CSHSALF-WM,CSHSALR-WA,CSHSAS-WV10,CSHSAHL-WS,CSHSALR-WV10,聲光報警器
CSHSA-WP,CSHSA-WM,CSHSA-WA,CSHSA-WV10,CSHSAL-WS,CSHSAL-WM,CSHSAL-WA,CSHSAL-WV10,
CSHSALF-WS,CSHSALF-WP,CSHSALF-WA,CSHSALF-WV10,CSHSALR-WS,CSHSALR-WP,CSHSALR-WM,
CSHSAS-WS,CSHSAS-WP,CSHSAS-WM,CSHSAS-WA,CSHSAHL-WP,CSHSAHL-WM,CSHSAHL-WA,CSHSAHL-WV10,
TLH1TL-BZ1,TLH1TLF-BZ2,TLH1TLR-Y32,TLH1TLS-BZ1,TLH1TS-BZ2,TLH1TS-Y32,船用信號燈
TLH1TL-BZ2,TLH1TL-Y32,TLH1TLF-BZ1,TLH1TLF-Y32,TLH1TLR-BZ1,TTLH1TLR-BZ2,
TLH1TLS-BZ2,TLH1TLS-Y32,TLH1TS-BZ1,
TL125NL-BZ1,TL125NL-BZ2,TL125NLF-BZ1,TL125NLF-BZ2,TL125NHL-BZ1,TL125NHL-BZ2,**報警燈
WJ-1,WJ-1S,WJ-1L,WJ-1LG,WJ-2,WJ-3,警示燈
TLH1L-BZ1,TLH1L-BZ2,TLH1HL-BZ1,TLH1HL-BZ2,重負荷警示燈
TLH1LR-BZ1,TLH1LR-BZ2,警示燈
TLHV1L-BZ1,TLHV1L-BZ2,TLHV1HL-BZ1,TLHV1HL-BZ2,TLHV1S-BZ1,TLHV1S-BZ2,重負荷警示燈
XSJ/C-H1IT0B0A3S2V0,XSJ/C-H1IT0B0A3S2V1,XSJ/C-H1IT0B0A3S2V2
XSJ/C-H1IT0B0A3S3V0,XSJ/C-H1IT0B0A3S3V1,XSJ/C-H1IT0B0A3S3V2
XSJ/C-H1IT0B1A0S0V0,XSJ/C-H1IT0B1A0S0V1,XSJ/C-H1IT0B1A0S0V2流量積算儀
XSJ/C-H1IT0B1A0S1V0,XSJ/C-H1IT0B1A0S1V1,XSJ/C-H1IT0B1A0S1V2
XSJ/C-H1IT0B1A0S2V0,XSJ/C-H1IT0B1A0S2V1,XSJ/C-H1IT0B1A0S2V2流量積算儀
XSJ/C-H1IT0B1A0S3V0,XSJ/C-H1IT0B1A0S3V1,XSJ/C-H1IT0B1A0S3V2
TL100L-BZ1,TL100L-BZ2,TL100LF-BZ1,TL100LF-BZ2,TL100HL-BZ1,TL100HL-BZ2,**報警燈
TL100LR-BZ1,TL100LF-BZ1,TL100LF-BZ2,TL100LS-BZ1,TL100S-BZ2,TL100LR-BZ2,頻閃警示燈
TL100LS-BZ2,TL100S-BZ1,
TL125L-BZ1,TL125L-BZ2,TL125LF-BZ1,TL125LF-BZ2,TL125HL-BZ1,TL125HL-BZ2,**報警燈
TH31,直流信號隔離分配器
CS110L-Y1,CS110L-Y32,CS110LF-Y1,CS110LF-Y32,CS110LS-Y1,CS110LS-Y32,CS110HL-Y1,報警器
CS110HL-Y32,
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