ZN63u-15 Vacuum Circuit BreakerDetailed product description：

ZN63u-15 vacuum circuit breaker

Product features

1. Mechanical durability and electrical durability
2. At rated current, the allowable number of disconnections is 10000 times
3. Under rated short-circuit current, the allowable number of disconnections is 20 times
4. Easy maintenance: only a small amount of cleaning or lubrication is needed for the operating mechanism
5. Rated current from 630A-1250A
6. The rated short-circuit breaking current ranges from 20kA to 31.5kA
7. Vertical insulation cylinder
8. Capable of defending against various environmental influences
9. Good product series and universality, easy to maintain and use for users

Technical parameters of ZN63u-15 vacuum circuit breaker

serial number	name		unit	model
				ZN63u-15
one	rated voltage		kV	fifteen
two	Limi power frequency withstand voltage	Relatively speaking, time	kV	forty-two
		Isolation fracture
three	Lightning impulse withstand voltage	Relatively speaking, time	kV	ninety-five
		Isolation fracture
four	Rated short-circuit breaking current		kA	thirty-one point five
five	Rated short-circuit breaking current breaking times		time	twenty
six	Percentage of DC component			41%
seven	Rated dynamic stability current (peak value)		kA	one hundred
eight	3-second thermal stability current		kA	thirty-one point five
nine	Rated operating sequence			★O-0.3s-CO-180s-CO
ten	Rated cable charging breaking current		kA	25A 24 times
eleven	Rated earth fault breaking current for different phases		kA
twelve	Rated breaking current of a single capacitor bank		A
thirteen	Rated back-to-back capacitor bank breaking current		A