Miniature Circuit Breaker MCB

1. Application

TFC65 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three, four poles for protecting overload and short circuit, and rated current up to 63A. It can also be used for infrequent line conversion under the normal condition.The breaker is applicable to lighting distribution system in industrial enterprise, commercially district, high-rise building and dwelling house. It conforms to the standards of IEC60898.



2. The over-current protection property

Ambient Temperature	Initial Status	Expected Result	Expected Result	Expected Result	Note
30±2℃	Cold position	1.13In	t≥1h	Non-release	--
	Carried out immediately after previous test	1.45In	t＜1h	Release	--
	Cold position	2.55In	1s＜t＜60s (In≤32A)	Release	Current smoothly rises to specifiedN value within 5s
	Cold position	2.55In	1s＜t＜120s (In＞32A)	Release
-5 - +40℃	Cold position	3In	t≥0.1s	Non-release	Type B
	Cold position	5In	t≥0.1s	Release	Type B
	Cold position	5In	t≥0.1s	Non-release	Type C
	Cold position	10In	t≥0.1s	Release	Type C
	Cold position	10In	t≥0.1s	Non-release	Type D
	Cold position	20In	t≥0.1s	Release	Type D

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