ZN65A-12/T1250-25 Indoor Vacuum Circuit Breaker

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The ZN65A-12/T1250-25 indoor vacuum circuit breaker is a new economical product. It adopts the spring energy storage type operating mechanism, including a four-link transmission mechanism, which can be operated by AC, DC or hand.

This indoor vacuum circuit breaker can be used as the control or protection switch in power transmission and distribution systems. It is especially suitable for occasions requiring frequent operations.

Environmental Conditions
1. Altitude: < 1,000m (Ordinary type), < 3,000m (Suitable-for-all-working-conditions Type)
2. Ambient Temperature: -25℃~ 40℃
3. Relative Humidity: Daily average ≤ 95%, monthly average ≤ 90%
4. Earthquake Intensity: < 8degree
5. The indoor vacuum circuit breaker should be used in places without fire or explosion hazard, corrosive gas, or severe shaking.

ZN65A-12/T1250-25 Indoor Vacuum Circuit Breaker

Technical Parameters

No.	Item	Unit	Value
1	Rated Voltage	kV	12
2	Rated Current	A	630	1250
3	Rated Short-circuit Breaking Current	kA	20	25
4	Rated Peak Withstand Current	kA	50	63
5	Rated Short-time Withstand Current	kA	20	25
6	Rated Short-circuit Closing Current	kA	50	63
7	Rated Short Circuit Duration	s	4
8	Rated Short-circuit Current Breaking Times	times	50
9	Rated Operating Sequence		Open- 0.3s-close open- 180s- close open
10	Rated Frequency	Hz	50
11	Lightning Impulse Withstand Voltage	kV	75
12	1min Power Frequency Withstand Voltage	kV	42
13	Closing Time	ms	40~80
14	Opening Time	ms	35~60
15	Breaking Time	ms	≤ 80
16	Mechanical Life	times	10,000
17	Rated Breaking Current of the Capacitor Bank	A	630
18	Rated Power of the Energy Storage Motor	W	200
19	Rated Voltage of the Energy Storage Motor	V	110. 220
20	Energy Storage Time	s	≤ 15
21	Rated Voltage of the Closing and Opening Electromagnet	V	DC 110. 220
22	Rated Current of the Auxiliary Switch	A	AC 10. DC 5

BBE is an experienced indoor vacuum circuit breaker manufacturer and supplier in China. We also provide air circuit breaker, distribution board, withdrawable low voltage switchgear, and much more.

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Links：https://globefindpro.com/products/45527.html

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