ZW8-12 High Voltage Outdoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZW8-12
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Open Frame
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000
• Usage Scenarios: Outdoor
• Transport Package: Wooden Case
• Trademark: HONLE
• Origin: Zhejiang, China
• HS Code: 8504210000
• Production Capacity: 6000 Pieces Per Year
• Package Size: 88.00cm * 62.00cm * 88.00cm
• Package Gross Weight: 225.000kg

Product Description

Product Description

ZW8-12 High Voltage Outdoor Vacuum Circuit Breaker

Production View
---ZW8-12 series adopts vacuum arc extinguishing chamber, air insulation and electric spring operating mechanism, which makes the product have strong arc extinguishing ability, high short-circuit breaking times, no fire and explosion hazard and convenient operation. It is a kind of product with excellent performance. Practical products.
---The overall structure of this product adopts three-phase common box type, with casing inlet and outlet lines. The box body is dry coal air. The electric spring operating mechanism is arranged on the side of the box, which can be used reliably under severe environmental conditions.
---The vacuum interrupter of this product adopts ceramic shell, cup-shaped longitudinal magnetic field contact structure and copper chromium contact material, which has excellent ability of breaking and closing short-circuit current.
---The product has the advantages of small volume, light weight and beautiful appearance. The vacuum interrupter and insulating support sleeve are compact in design, and the outgoing conductive rod is injected with silicone rubber, which can adapt to harsh weather conditions and dirty environment.

Use Environment
ZW8-12 / 630-25 outdoor high voltage vacuum circuit breaker is an AC 50h three-phase power system.
---It is mainly used to turn off and turn on the load current, no-load current and short-circuit current of 10kV power grid in urban areas.
---It can also be used as the sub switch of rural power grid and small power system.
---It is an oil-free replacement product of urban and rural power grid.

Main Techenical Parameters

Item	Parameter	Item	Parameter
Rated voltage	12kV	Rated operating sequence	open-0.3sclose open-180s close open
Rated current	630A	Rated short-circuit current breaking times	30 times
power-frequency withstand voltage	42kV/48kV	Mechanical life	10000 times
lightning impluse withstand voltage(peak)	75kV/85kV	Rated operating voltage(closing/opening coil)	DC220V  AC220V
Rated short-circuit breaking current(effective value)	25kV	Allowable wear thickness of moving and stationary contacts	3mm
Rated short-circuit making current(peak)	50kV	Disconnection distance of isolation fracture	>200mm

 


 

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