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What is the recommendation for installing arc chute covers on the Compact NS breaker?
In general, whenever the arc chamber has some connection oriented towards the front, then adding an arc chute screen is required to comply with safety clearances.
If the power connections (busbars, vertical connection adapters, cable lug adapters) are front oriented, then adding an arc chute screen is required.

If bare cables are used with the 4 cable-connector available in the catalog, then arc chute deflectors are provided and must be installed as described in instruction sheet 51201027AA delivered with the connectors.

Schneider Electric Vietnam

Attachment(s)
NSConnections.pdf [297.3 KB]
You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What is the recommendation for installing arc chute covers on the Compact NS breaker?
In general, whenever the arc chamber has some connection oriented towards the front, then adding an arc chute screen is required to comply with safety clearances.
If the power connections (busbars, vertical connection adapters, cable lug adapters) are front oriented, then adding an arc chute screen is required.

If bare cables are used with the 4 cable-connector available in the catalog, then arc chute deflectors are provided and must be installed as described in instruction sheet 51201027AA delivered with the connectors.

Schneider Electric Vietnam

Attachment(s)
NSConnections.pdf [297.3 KB]
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