介绍了日本电气学会对电磁式接触器的现场调查结果以及三菱公司根据调查结果对S型电磁式接触器开展的可靠性试验研究和取得的成效。认为美国和日本的可靠性现场调查研究值得重视和借鉴。
The results of field survey of electromagnetic contactors conducted by Japan Electrical Society and Mitsubishi Company were also introduced .