Autotransformer OCPD location

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Re: Autotransformer OCPD location

#91952 02/13/05 09:17 PM

Joined: Jan 2004

Posts: 1,507

Michigan USA

G

George Little Offline

Member

I have never seen the fusing in the output of an autotransformer, which is what a buck/boost transformer is. Article 450 Section 450.4(A) has us putting overcurrent protection on the input side, sized at 125% of the full load current of the xformer.

George Little

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Entire Thread
Subject	Posted By	Posted
Autotransformer OCPD location	Redsy	02/13/05 05:43 PM
Re: Autotransformer OCPD location	George Little	02/14/05 01:17 AM
Re: Autotransformer OCPD location	cpal	02/14/05 01:18 PM
Re: Autotransformer OCPD location	Redsy	02/14/05 10:24 PM
Re: Autotransformer OCPD location	cpal	02/14/05 11:19 PM
Re: Autotransformer OCPD location	Redsy	02/17/05 02:19 AM

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ECN Forum Forums Code Related Discussion NEC & other Code issues Autotransformer OCPD location