Title: Multifunctional fireproofing over loading protecting socket
Application Number: 200610053983 Application Date: 2006.10.26
Publication Number: 1967950 Publication Date: 2007.05.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01R13/713;H01H71/24;H01H71/74
Applicant(s) Name: Chint Group Co., Ltd. Address:
Inventor(s) Name: Zhu Zhenqing
Attorney & Agent: shenxiao jing
Abstract:
    The invention relates to a multifunctional fireproof overload protective plug base, which comprises over-current sensor on circuit board, zero-sequence inducer, test button, return button element, control circuit, electromagnetic release device, two couples of stable contactor and movable contactor relative to N and L poles, and one stable magnet fixed on frame. The invention uses dual-magnetic release method to switch the contactors, without mechanical abrasion and sliding condition. And it has high current divert ability and high sensitivity. It has overload protection and leakage protection functions.
Time: 9