断路器的作用是切断和接通负荷电路，以及切断故障电路，防止事故扩大，保证安全运行。而高压断路器要开断1500V，电流为1500-2000A的电弧，这些电弧可拉长至2m仍然继续燃烧不熄灭。故灭弧是高压断路器**解决的问题。吹弧熄弧的原理主要是冷却电弧减弱热游离，另一方面通过吹弧拉长电弧加强带电粒子的复合和扩散，同时把弧隙中的带电粒子吹散，迅速***介质的绝缘强度。低压断路器也称为自动空气开关，可用来接通和分断负载电路，
主电网失电保护继电器RMP-112D
也可用来控制不频繁起动的电动机。它功能相当于闸刀开关、过电流继电器、失压继电器、热继电器及漏电保护器等电器部分或全部的功能总和，是低压配电网中一种重要的保护电器。DILM12-10C(220-230V50HZ) DILM12-10C(220V50/60HZ) DILM12-10C(220VDC) DILM12-10C(24V50/60HZ) DILM12-10C(24V50HZ) DILM12-10C(24VDC) DILM12-10C(380-400V50HZ) DILM12-21(230V50HZ,240V60HZ) DILM12-21(24VDC) DILM12-22(230V50HZ,240V60HZ) DILM12-22(24VDC) DILM12-32(230V50HZ,240V60HZ) DILM12-32(24VDC) DILM12-XDSB0/3 DILM12-XDSB0/4 DILM12-XDSB0/5 DILM12-XEK DILM12-XEV DILM12-XMCE DILM12-XMCP/E DILM12-XMCP/T DILM12-XM*** DILM12-XMV DILM12-XP1 DILM12-XP2 DILM12-XPBC DILM12-XR DILM12-XRA2 DILM12-XRL DILM12-XS1 DILM12-XSL
DILM12-XSPD DILM12-XSPR240 DILM12-XSPR48 DILM12-XSPR500 DILM12-XSPV130 DILM12-XSPV240 DILM12-XSPV48 DILM12-XSPV500 DILM12-XSPVL240 DILM12-XSPVL48 DILM15-01(*V50HZ) DILM15-01(*V60HZ) DILM15-01(*VDC) DILM15-01(110V50HZ,120V60HZ) DILM15-01(220V50/60HZ) DILM15-01(230V50/60HZ) DILM15-01(230V50HZ,240V60HZ) DILM15-01(240V50HZ) DILM15-01(24V50/60HZ) DILM15-01(24V50HZ) DILM15-01(24VDC) DILM15-01(TVC) DILM15-01(TVC200) DILM15-01C(110V50/60HZ) DILM15-01C(110V50HZ) DILM15-01C(110VDC) DILM15-01C(220-230V50HZ) DILM15-01C(220V50/60HZ) DILM15-01C(220VDC) DILM15-01C(24V50/60HZ) DILM15-01C(24V50HZ)
主电网失电保护继电器RMP-112D也可用来控制不频繁起动的电动机。它功能相当于闸刀开关、过电流继电器、失压继电器、热继电器及漏电保护器等电器部分或全部的功能总和，是低压配电网中一种重要的保护电器。DILM12-10C(220-230V50HZ) DILM12-10C(220V50/60HZ) DILM12-10C(220VDC) DILM12-10C(24V50/60HZ) DILM12-10C(24V50HZ) DILM12-10C(24VDC) DILM12-10C(380-400V50HZ) DILM12-21(230V50HZ,240V60HZ) DILM12-21(24VDC) DILM12-22(230V50HZ,240V60HZ) DILM12-22(24VDC) DILM12-32(230V50HZ,240V60HZ) DILM12-32(24VDC) DILM12-XDSB0/3 DILM12-XDSB0/4 DILM12-XDSB0/5 DILM12-XEK DILM12-XEV DILM12-XMCE DILM12-XMCP/E DILM12-XMCP/T DILM12-XM*** DILM12-XMV DILM12-XP1 DILM12-XP2 DILM12-XPBC DILM12-XR DILM12-XRA2 DILM12-XRL DILM12-XS1 DILM12-XSL
DILM12-XSPD DILM12-XSPR240 DILM12-XSPR48 DILM12-XSPR500 DILM12-XSPV130 DILM12-XSPV240 DILM12-XSPV48 DILM12-XSPV500 DILM12-XSPVL240 DILM12-XSPVL48 DILM15-01(*V50HZ) DILM15-01(*V60HZ) DILM15-01(*VDC) DILM15-01(110V50HZ,120V60HZ) DILM15-01(220V50/60HZ) DILM15-01(230V50/60HZ) DILM15-01(230V50HZ,240V60HZ) DILM15-01(240V50HZ) DILM15-01(24V50/60HZ) DILM15-01(24V50HZ) DILM15-01(24VDC) DILM15-01(TVC) DILM15-01(TVC200) DILM15-01C(110V50/60HZ) DILM15-01C(110V50HZ) DILM15-01C(110VDC) DILM15-01C(220-230V50HZ) DILM15-01C(220V50/60HZ) DILM15-01C(220VDC) DILM15-01C(24V50/60HZ) DILM15-01C(24V50HZ)