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Re: [TCML] ABB High Voltage Instrument Transformer Transformer 120V to 12000V

On 12/17/15 8:50 AM, Miles Mauldin wrote:

Am I reading that right? 62.5ma
An NST rated at the same power is half the weight and a third the cost.
What's the benefit that's worth that much difference?



a) unlike a NST, this isn't current limited
b) they're built tough.. unlike an NST, you can do full rated voltage forever (and then some).. They often have a BIL of much higher voltage than the output rating. c) you can run them at greater than rated current for a short time.. as long as it doesn't overheat. 


basically they're a mini-pole transformer.
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