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- Pomanique SF6 circuit breaker PW-12/24/36
Pomanique SF6 circuit breaker PW-12/24/36
Pomanique SF6 circuit breaker PW-12/24/36
The PW Series SF6 Sectionalizer is designed for rated voltages of 12/24/36 kV and a rated current of 630A at 50/60Hz. It is used in power grids to manage open circuits and overload currents. The switch can automatically isolate faulty distribution lines and is equipped with a modern electronic controller for manual, electric, and remote operations. The controller is housed in a stainless steel cabinet suitable for various climatic conditions, featuring wired and wireless modems for remote monitoring and control. Installation is simple and cost-effective.
Standard Conditions of Use
The SF6 gas load switch operates under specific conditions: ambient temperatures between -40°C and +50°C, elevations up to 3000m, wind pressures up to 700pa, earthquake intensity of 8 degrees, and pollution classes III and IV.
Features
The sectionalizer is SF6 gas-insulated, with a diverse drive pipe and visible open/closed status. It offers quick operation through a spring energy mechanism and supports remote control via an electronic controller. The switch is made from durable, corrosion-resistant materials, ensuring a long service life of 30 years. It complies with IEC60265-1 (1988) and GB3804-1990 standards.
Specifications
The sectionalizer has various specifications, including rated voltages of 12, 24, and 40.5 kV, rated frequency of 50/60 Hz, and a rated current of 630A. It can withstand peak currents of 50 kA and has a mechanical stability of 6000 operations. The gas leakage rate is ≤1% per year.
Types of SF6 Load Break Switches
Available types include load switches with porcelain or polymer bushings, polymer terminals, and arresters.
Switch and Control Panel
Features include ground fault, phase fault overcurrent protection, short circuit protection, auto reclosing, self-check function, cold load pickup, inrush restraint, and loss of phase protection. Communication protocols supported are RS-232/RS-485, IEC60870-5-101&104, and DNP 3.0 GPRS/CDMA.
Installation
The sectionalizer can be installed on poles using cross arms, with provisions for arrester and earthing terminal installations.
Catalog excerpts
1、 Overview PW‐12/24/36,is suitable for the rated voltage 12/24/36 kV,rated current 630A 50/60Hz power grid open circuit,load current in closed Power system overload current. This load switch can separate those broken distribution line automatically. With the latest techno logy, it has the newest electronic controller.The switch can be used by manual operation, electric operation and operation from a long distance. Electronic controller is installed in a stainless steel cabinet which is suitable for using under all kinds of climatic conditions. In addition, there are some wired and wireless modem...
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Rated Voltage Rated Frequency BIV (SF6 0.07Mpa / 20℃） Insulation level of zero pressure Lighting Impulse Relative Fracture 1min The highest phase voltage 5min Rated current Rated short-circuit making current（0.07Mpa / 20℃） Breaking capacity under zero pressure Peak withstand current Short time making current Rated short time withstand current Rated cable charging breaking current Rated line charging breaking current Rated closed-loop breaking current Exciting current Rated current breaking times Rated working pressure Main circuit resistance Mechanical stability
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5. Type of Sf6 Load Break switches Load switch with Porcelain Bushing Load switch with Polymer Terminal Load switch with Polymer Bushing Load switch with Arrester
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6. Switch and Control panel 6.1 Ground fault Phase fault over current protection. Short circuit protection. Auto Reclosing. Self-check function. Cold load pick up. Inrush restraint Loss of phase protection.
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The LBS uses “puffer” interrupters inside a fully welded and sealed stainless steel tank filled with SF6 gas. Three interrupters are ganged together on a common shaft that is driven by an over‐centering spring mechanism which is activated either by: Manual rotation of the operating arm using a hook sticks from ground level. By pulling downwards on the appropriate side of the arm the LBS can be opened or closed. The mechanism is “operator independent
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7. Installation 7.1 On the pole by Cross arm
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7.3 Installation of earthing terminal
Open the catalog to page 9All Pomanique Electric catalogs and technical brochures
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