1、         型号含义：
shr(nhf)-□ / □  z
                           中性端子（俗称零线端子）
                             极数（3p、4p、4p+n）
                             额定工作电流
                            防护型熔断器式负荷开关
2、主要技术参数
额定电流a
63
100
160
200
315
400
500
630
1000
1250
1600
介电强度v
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
绝缘电压v
750
750
750
750
750
750
750
750
750
750
750
分断能力
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
接通能力
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
1250
寿命
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
四、   使用维护
1.开关应垂直安装，安装前应检查名牌内容是否符合使用要求。确认开关的使用状态，开关处于闭合状态，开关箱的门自锁打不开，只有处于分断状态开关箱的门才能打开。
2.开关上端子和接线裸母线应包扎绝缘物，防止开关相间短路。
3.开关每使用半年左右，就应该进行一次维护。若转动部位不灵活，可涂润滑油。检查紧固件是否有松动，且针对不同情况加以维修，若损坏严重则应停止使用。
五、型号规格
shr-100/3 shr-100/3r shr-100/4shr-100/4r shr-160/3 shr-160/3r shr-160/4 shr-160/4r shr-200/3shr-200/3r shr-200/4 shr-200/4r shr-315/3 shr-315/3r shr-315/4shr-315/4rshr-400/3 shr-400/3rshr-400/4 shr-400/4r shr-600/3 shr-600/3r shr-600/4 shr-600/4rshr-800/3 shr-800/3r shr-800/4 shr-800/4r shr-1000/3 shr-1000/3rshr-1000/4 shr-1000/4r shr-100/335 shr-100/435 shr-160/335shr-160/435 shr-200/335 shr-200/435 shr-315/335 shr-315/435shr-400/335 shr-400/435 shr-600/335 shr-600/435 shr-800/335shr-800/435 shr-1000/335 shr-1000/435
nhf-100/3 nhfr-100/4 nhf-160/3nhf-160/4 nhf-200/3 nhf-200/4 nhf-315/3 nhf-315/4 nhf-600/3nhf-600/4 nhf-800/3 nhf-800/4 nhf-1000/3 nhf-1000/4
sfh4k-10/3 sfh4k-15/3 sfh4k-20/3sfh4k-35/3 sfh4k-60/3 sfh4k-80/3  sfh4k-100/3  sfh4k-160/3 sfh4k-200/3sfh4k-315/3 sfh4k-400/3sfh4k-500/3 sfh4k-600/3 sfh4k-800/3 sfh4k-1000/3sfh4k-10/4 sfh4k-15/4 sfh4k-20/4 sfh4k-35/4 sfh4k-60/4sfh4k-80/4sfh4k-100/4 sfh4k-160/4 sfh4k-200/4 sfh4k-315/4sfh4k-400/4sfh4k-500/4sfh4k-600/4 sfh4k-800/4 sfh4k-1000/4
sfk2-160/3  sfk2-250/3   sfk2-400/3 sfk2-630/3  sfk2-800/3sfk2-160/4   sfk2-250/4  sfk2-400/4 sfk2-630/4   sfk4-800/4

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乐清巨腾电气有限公司
邓绍华
18066273191
柳市镇潭头工业区