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Technical Data
1.Rating

Model	Utilization category	UI(V)	Ue(V)	Conventional heating current	Ie(A)	Controlled power(KW)
CT-20	AC-1 AC-7a	500	230	20	20	4
CT-20	AC-7b	500	230	20	9	1.2
CT-40	AC-1 AC-7a	500	400	40	40	40
CT-63	AC-1 AC-7a	500	400	63	63	40

2.Making and breaking capacity

Model	Utilization category	Making and breaking conditions			Electrification	Interval time(s)	Operating cycle
Model	Utilization category	Ic/Ie	Ur/Ue	COS?	time(s)	Interval time(s)	times
CT-20	AC-1 AC-7a	1.5	1.05	0.8	0.05	10	50
CT-20	AC-7b	8	1.05	0.45	0.05	10	50
CT-63	AC-1 AC-7a	1.5	1.05	0.8	0.05	10	50

3.Conventional heating current under different ambient temperature

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