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ZW8-12G/630 Outdoor High Voltage Vacuum Circuit Breaker
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ZW8-12G/630 Outdoor High Voltage Vacuum Circuit Breaker is a core switching device for 10kV outdoor power distribution systems. Adopting vacuum arc-extinguishing technology, it features compact structure, reliable protection, convenient operation and environmental friendliness, with a rated current of 630A. Suitable for harsh outdoor environments, it is widely used in urban and rural distribution networks, industrial and mining enterprises, new energy power stations and other scenarios, capable of realizing line protection and control to ensure stable operation of the power system.
Product Description
ZW8-12G/630 Outdoor High Voltage Vacuum Circuit Breaker is specially designed for 10kV outdoor power distribution scenarios. With vacuum as the arc-extinguishing medium, it completely eliminates environmental pollution caused by SF6 gas leakage, complying with global low-carbon development trends. The equipment adopts a special outdoor sealed structure with a protection level of IP67, which can effectively resist harsh weather such as heavy rain, sand and dust, low temperature and high temperature, adapting to a wide temperature range of -40℃~+60℃ and an applicable altitude of ≤4000m.
The product has a compact structure and light weight, adopts pole-mounted installation, saves installation space, and is convenient for on-site construction and maintenance. Equipped with a spring operating mechanism, it has small operating energy and reliable action, with a mechanical life of more than 10,000 operations, no frequent maintenance required, and greatly reduces operation and maintenance costs. With a rated current of 630A and a rated short-circuit breaking current of 20kA, the circuit breaker has excellent breaking performance and insulation performance. It can be widely used in urban and rural distribution network transformation, industrial and mining enterprise power distribution, photovoltaic/wind power new energy station supporting facilities, and 10kV distribution line protection and control of key facilities such as railways and airports, providing reliable guarantee for the safe, stable and efficient operation of the power system.
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Parameter Items
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Specific Parameters
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Product Model
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ZW8-12G/630
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Rated Voltage
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12kV (Maximum Working Voltage 12kV)
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Rated Current
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630A
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Rated Frequency
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50Hz/60Hz (Optional)
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Arc-Extinguishing Medium
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Vacuum
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Insulation Medium
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Air/SF6 Gas (Optional)
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Operating Mechanism
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Spring Operating Mechanism (Manual/Electric Optional)
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Rated Short-Circuit Breaking Current
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20kA
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Rated Short-Time Withstand Current (4s)
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20kA
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Rated Peak Withstand Current
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50kA
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Mechanical Life
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≥10,000 Operations
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Protection Level
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IP67
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Ambient Temperature Adaptation Range
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-40℃~+60℃
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Applicable Altitude
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≤4000m
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Execution Standards
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GB 1984, GB/T 11022, IEC 62271-100
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Installation Method
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Outdoor Pole-Mounted Installation
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Overall Weight
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≤200kg
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