Eaton Bussmann RDF Series Disconnect Switch Test Function

Eaton Bussmann RDF Series Fused Disconnect Switch

How does the test function work?
Example Part Number RDF60J-3-ND

The test function is for testing control circuits using aux contacts (BAC05/BAC06) without energizing the circuit. A little more information can be found here:
http://www.cooperindustries.com/content/dam/public/bussmann/Electrical/Resources/Instructions/bus-ele-is-3a2014-switch-rdf30j-rdf60j-comp-rdf60j-rdf100j.pdf

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