1326AB-B515G-M2K5L A-B 线路电压

A-B 1326AB-B515E-21-X51
A-B 1756-EN2TR
A-B DH+1SH2
A-B 1756-L73
A-B 1440-DYN02-01RJ
A-B 707973-10TREV.03
A-B 2094-BC01-M01-S
A-B 1756-L72
A-B 1761-CBL-PM02
A-B 1761-CBL-PM02
A-B 20DD027A0EYNANANE
A-B 74102-459-51
A-B MPL-B540K-SJ24AA
A-B 1336-WB009
A-B 1771-HS1

Description

当线路电压正常时，欠压脱扣器产生的电磁吸力能够克服弹簧9的拉力而将衔铁10吸合，如果线路电压降到某一值以下，电磁吸力小于弹簧9的拉力，衔铁10被弹簧9拉开，衔铁撞击杠杆7使搭钩顶开，则触点2分断电路。当线路发生过载时，过载电流通过热脱扣器的发热元件13而使双金属片12受热弯曲

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