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1-5 of 6 Results
  1. PLCs, VFDs, Motors and Controls
    I am NOT good at VFD's. I have four (4) Siemens MicroMaster 440 VFD's in some airport hanger doors. They ALL are tripping on error code F0002 upon start-up (attempting to move the door either direction). The VFD locks out. We reset it 3 or 4 times. Then finally, upon another try, the VFD...
  2. New Member Introductions
    Hi. I just joined his group. I'm a retired Electrical Contractor. I joined because I'm still interested in the Electrical trade. I was in business for 37 years, an Electrician for 47 years. Things changed a lot during those years. The Code and the material. I worked mainly on residential...
  3. General Electrical Discussion
    Hello all! I will make this a quick question... I periodically perform secondary current injection tests on Static Trip 3 devices on Siemens RL-800 Rackable low voltage circuit breakers (277/480VAC). I'm looking for a published data collection sheet for record keeping, specifically from...
  4. General Electrical Discussion
    I have acquired a Siemens STRPN120 VL Shunt Trip, it is new and in the box, i am wondering where I might sell it and the value of it. i looked on ebay and on several retail websites on the internet, and have not found much information. any help would be appreciated. Thank you in advance.
  5. Commercial Electrical Forum
    i have a siemens 14DS32A already installed with a push button. i would like to add another push button away from the unit. How would i go about connecting it? Thanks!
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