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13问答网 > 6个380V.7.5KW水泵,循环启动频繁启动,用多大漏电保护器?多大接触器？

6个380V.7.5KW水泵,循环启动频繁启动,用多大漏电保护器?多大接触器？

2025-03-16 04:32:08

推荐回答（2个）

回答1：

380V3个加热管，P=1.732*U线*I线*功率因数，蒸饭柜是阻性负载功率因数为1，单管额定电流约36A，6平方的线够用，不过为保险起见建议用10平方的，用3跟火线 1零 1地总共5跟线（最好用电缆）63A空气开关，63A漏电保护器，应该用不到接触器吧，只是提供供电源到柜子进线测，控制应该是内部做好了的，选的都留有余量了，主要是考虑产品质量缩水问题。

回答2：

搜一下：6个380V.7.5KW水泵,循环启动频繁启动,用多大漏电保护器?多大接触器？

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