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5/24/2007 3:21 AM | |
Posts: 18 Rating: (0) |
Dear all, thank you for your attention!!! I am a new memberof this forum, we often used a time relay -K30 in 3wn breaker exterior circuit in past, but after 3wl replace 3wn in last 2 years, we find Dutch drawing remove the time relay than 3wn drawing. so our design is same as the Dutch drawing . but some 3wl breaker is broken after its ready to run message S20 is on. who can tell me the reason? thank you !! han yong E-mail: yong.han@siemens.com
Siemens Electrical Drives Ltd. (SEDL) 174 Jintang Road, Hedong District, Tianjin 300180, P.R.China Tel: 0086-22-23901146 Fax: 0086-22-23901406 |
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