线圈额定电压的选择 线圈额定电压不一定等于主触头的额定电压,当线路简单,使用电器少时,可直接选用380V或220V的电压,如线路复杂,使用电器超过5h,可用24V、48V或110V电压(1964年规定为36V、110V、或127V)的线圈.

3拍合式器

拍合式器主要应用在钢铁工业，如：牵引机、电解和起重设备，电流从63A 至 5000A。

产品概述 R 系列器在一个主框架上构造，支持电磁特性、主极和辅助触头。此设计为器的制作带来很大的灵活性，有如定制的器般灵活： 可按需求改变极数 带 / 不带排气线圈的极，额定电流流过每一极 常开极 当常闭极与常开极结合使用时，可设置 '先合后分' 或 '先分后合' 大量、定时、可调的常开和常闭辅助触头 带特殊特性的电磁特性由控制供电电压和应用特性决定

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