Thanks for the help. I am in North America. I'm still attempting to get my hands on NEMA MG1. The IT department at our company has conveniently blocked nema.org. Unreal!
Hello,
I am writing my first motor specification and I'm unfamiliar with some terms.
I'm looking at an example that specs a 10:1 minimum speed range. What does this mean?
I need help determining insulation class. Anybody willing to provide or know of any sources on the internet for help on...
Ok, glad to hear i've been doing my job correctly. Thanks for the code reference peebee. (was asking that question in the back of my mind)..... I'm also assuming that the conductor sizes of the other types of most common circuits I run across are based on protection devices. This mainly...
Hello,
I'm having trouble figuring out what exactly is the legal way to size conductors in one of my typical motor circuits. My typical circuit includes an MCP (motor circuit protector) and overload protection inside of the MCC and a fusible disconnect switch near the motor. Logically, I...
Thanks for all the help, I appreciate it. I've always understood the difference between primary and secondary side of a transformer. My confusion comes from this having nothing to do with a transformer. It has come up before in 480VAC motor control circuits where there is no xformer involved...
well sometimes my co-workers will speak of circuit breakers providing protection on the primary side or secondary side... what prompted this question is that I was asked to add a volt trap to read primary voltage. I can usually use common sense and figure out what they are talking about, but...
I'm not sure how to distinguish when people are talking about primary or secondary current or voltage? I'd just ask but I feel like its too simple of a question to ask one of my co-workers without the embarrassment factor. So I came here to ask...
In general how can I tell where in a circuit...
I'm thinking of purchasing a digital multi-meter.... I'd like to make an economic purchase. Any suggestions? I'm also not sure if I need a 46-Range or what? What does this refer to?
Thanks
This is the first time I've ever worked with RTDs and I'm trying to find RTD terminals to mount in our control panel. I haven't had any success finding any. I have searched Allen Bradley and Weidmuller. (We prefer these brands). What do you use?
Thanks,
Tim
Hello,
I'm looking to buy an IEC rated motor starter protector(a motor circuit protector with overload protection from what I can tell). All I can find is the Siemens brand MSP. I'd like to find other brands, like AB, Eaton, or GE.... I've been browsing the internet and have had no luck...
