ZW20 pole-mounted vacuum circuit breaker
ZW20 pole-mounted vacuum circuit breaker
The ZW20-12 outdoor high-voltage vacuum circuit breaker is rated for a voltage of 12kV and is designed for outdoor distribution equipment with three-phase AC at 50Hz. It uses vacuum arc extinguishing and SF6 gas as insulation media. It is mainly used to interrupt and connect load currents, overload currents, and short-circuit currents in rural power networks, urban networks, and small power systems. The overall structure of this product is a three-phase common box type, with three-phase vacuum arc extinguishing chambers placed inside a metal box, ensuring reliable voltage transformation performance and high insulation strength.
Key words:
Classification:
Product Center
Medium Voltage Column Switch Series
Circuit Breaker on the Column
Product accessories:
- Description
- Product Parameters
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- Commodity name: ZW20 pole-mounted vacuum circuit breaker
- Commodity ID: ZW20-12/T630
The ZW20-12 outdoor high-voltage vacuum circuit breaker is rated for a voltage of 12kV and is designed for outdoor distribution equipment with three-phase AC at 50Hz. It uses vacuum arc extinguishing and SF6 gas as insulation media. It is mainly used to interrupt and connect load currents, overload currents, and short-circuit currents in rural power networks, urban networks, and small power systems. The overall structure of this product is a three-phase common box type, with three-phase vacuum arc extinguishing chambers placed inside a metal box, ensuring reliable voltage transformation performance and high insulation strength.
ZW20-12 outdoor high-voltage vacuum circuit breaker is rated for a voltage of 12kV and is an outdoor distribution device for three-phase AC 50Hz. It uses vacuum arc extinguishing and SF6 gas as insulation media. It is mainly used to interrupt and connect load currents, overload currents, and short-circuit currents in rural networks, urban networks, and small power systems. The overall structure of this product is a three-phase common box type, with three-phase vacuum arc extinguishing chambers placed inside a metal box, ensuring reliable voltage transformation performance and high insulation strength. This product can be electrically stored, electrically opened and closed, as well as manually stored, manually opened and closed, and can be operated remotely at close or long distances; at the same time, this product features excellent breaking performance, low operating power, high reliability, flexible installation methods, and maintenance-free characteristics; it is suitable for protection and control in substation and industrial and mining enterprise distribution systems, and is particularly suitable for rural power grids and places with frequent operations, especially for the transformation needs of urban and rural networks.
Key words:- zw20
- 电流
- 操作
- 真空
- 三相
- 产品
- 手动
- 绝缘
- 电动
- 户外
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Technical Parameters:
- Rated Voltage: 12kV
- Rated Frequency: 50Hz
- Rated Current: 630, 1250A
- Stable Short-Circuit Breaking Current: 12.5, 16, 20, 25A
- Rated Peak Withstand Current (Peak): 31.5, 40, 50, 63kA
- Rated Short-Time Withstand Current (4s): 12.5, 16, 20, 25kA
- Rated Short-Circuit Closing Current (Peak): 31.5, 40, 50, 63kA
- Rated Current Breaking Times: 10000 times
- Rated Short-Circuit Breaking Current Breaking Times: 30 times
- Power Frequency Withstand Voltage (10min) Phase-to-Phase, to Ground/Break: 42kV
- Lightning Impulse Withstand Voltage (Peak) Phase-to-Phase, Phase-to-Ground, Break: 75kV
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