IEC 61020-4-2 Ed. 1.0被替代
Electromechanical switches for use in electronic equipment Part 4: Sectional specification for lever (toggle) switches - Section 2: Detail specification for one pole, two pole, four pole, sealed lever (toggle) switches, 277 V a.c. maximum, 30 V d.c. maximum, 20 A maximum electrical rating
出版：International Electrotechnical Committee
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