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.
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.
|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|
|11||Lightning Impulse Withstand Voltage||kV||75|
|12||1min Power Frequency Withstand Voltage||kV||42|
|15||Breaking Time||ms||≤ 80|
|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.