DGL-125～630A系列—隔离开关使用环境DGL系列一隔离开关在下列条件下能可靠工作海拔高度不超过2000米；环境温度不高于40℃，不低于-5℃；相对湿度不大于95%；无爆炸危险介质环境；无雨雪侵袭环境；注：若预期使用于周围空气温度高于+40℃或低于-5℃～-45℃的条件下，用户应向制造厂说明。用途交流50赫兹，额定电压至660V，直流额定电压至440V，额定电流至1600A。用于不频繁接通与分断电路。表一常开一常闭11NO+NC二常开二常闭222NO+2NC选型举名例：额定电流630A，有中性极转换一隔离开关，柜外操作 DGL Z-630A/4JDGL系列一隔离开关从125-4000A分18个规格是模块化设计基础型，具有三极，四极(三极+可通断中性极)，适用于电路和接通与分断或电气隔离，1000A以上只做电气隔离。正面设有标记窗口指示触头通断状态。根据需要可提供后面观察窗口，直接观察触头通断状态，窗口样式见 DGL-125~1600A/H柜后操作负荷一隔离开关。操作方式直接操作：手柄直接安装在开关中间。柜外操作：手柄安装在配电柜柜门外。可配装两组辅助触点。性能与机械性能约定发热电流lth A125A160A200A250A315A400A500A630A1000A1250A1600A2000A2500A3150A4000A约定发热电压Ui(V)75075075075010001000100010001000100010001000100010001000介电强度 V5000500050005000800080008000800010000100001000010000100001000010000额定冲击耐受电压 Uimp KV(安装类别IV)88881212121212121212121212额定工作电流 le(A)               400V  AC21B      AC22B      AC23B12512512516016016020020020025025025031531531540040034050050042563063050010001000800125012501000160016001250200020001250250025001250315025001250400025001250750V  AC21B      AC22B      AC23B1251258016016080160160100200160125315315125400315125400315125500315125100080040010008004001600800500200020001000250020001000315020001000400020001000220V  DC21      DC22      DC23 125125125160160125200200160250250200315315400400500400630500       440V  DC21      DC22      DC23 100100100125125125160160160200200200315315400400400400500500       电动机功率P(KW)               400V750V6375807510090132110160185220185280185315185560475560475560475710750710750710750710750过载能力               额定短时耐受电流lcw(KA Rms)0.1S/1.0S20/1020/1030/1230/1245/2045/2050/2550/2590/5090/5090/5090/5090/5090/5090/50接通分断能力               额定接通能力lcn(A Rms)AC23B 400V1250125020002000315040004000400010000100001000010000100001000010000额定分断能力lcm(A Rms)AC23B 400V100010001600160025003200320032008000800080008000800080008000额定短路接通能力lcm(KA峰值)121217173030404070707070707070机械寿命(循环操作次数)1000010000100001000055005500550055004000400030002500250025002500电气寿命(循环操作次数)               额定电压Ue=660V 额定电流leCOS∮＝0.95 AC21BCOS∮＝0.65 AC22BCOS∮＝0.35 AC23B15001000500150010005001500100050015001000500750500250750500250750500250750500250600400200600400200450300150400200100400200100350200100350200100操作力距(Nm)6.56.5101014.514.514.514.5272727606060110重量(kg)   3极 3 poles           4极 4 poles11.511.522.522.53.543.5444.544.510.51310.513162031403140424990102