美利体育登录入口官网:UNE-EN 3661-005:2006 航空航天系列 断路器 单极 温度补偿 额定电流 20 A 至 50 A 第005部分:带极化信号触点 产品标准
Aerospace series - Circuit breakers, single-pole, temperature compensated, rated current 20 A to 50 A - Part 005: With polarized signal contact - Product standard (Endorsed by AENOR in February of 2007.)