Lw16-40.5 Sf6 Circuit Breaker

I. Product Overview:

LW16-40.5 outdoor high-voltage SF6 circuit breaker is a three-phase AC 50 Hz outdoor high-voltage electrical equipment; it is suitable for the control and protection of 40.5 kV transmission and distribution system; it can also be used for connecting circuit breakers and switching capacitor banks; and it can be equipped with current transformer for measurement and protection. LW16-40.5 SF6 circuit breaker is equipped with CT14 spring operating mechanism. The circuit breaker meets the requirements of the national standard GB1984-1989 "AC High Voltage Circuit Breaker" and the International Electrotechnical Commission standard IEC60056:1987 "High Voltage AC Circuit Breaker".

Main characteristics of circuit breakers:

The interruption performance is excellent. It adopts a pressurized arc extinguishing chamber, which has short arc ignition time and long electric life. It can interrupt 25 kiloamperes 20 times continuously under rated voltage without maintenance or replacement of sulfur hexafluoride gas.

The insulation is reliable and the air pressure can withstand 40.5KV10 minutes at zero gauge pressure.

High reliability, strong closing ability and frequent operation;

Open and close capacitor bank current 400 amperes without reburning;

There is no reburning at 25 and 50 kilometers of the cut-off line.

The utility model has the advantages of simple structure, small volume and long maintenance period.

Elevation: no more than 2500 meters; plateau type 4000 meters;

2. Use environment:

Ambient temperature: - 30 + 40 (special requirements - 40 + 40);

Relative humidity: daily average is not more than 95%, monthly average is not more than 90% (25 C);

Wind speed: not more than 35 meters per second;

The pollution grade is III.

The crawl distance of the ceramic sleeve is 1050 mm (1320 mm) (nominal creep ratio distance is not less than 25 mm/kV).

Sunshine: 0.1w/cm2;

Ice Coating: 10mm (MAX)

Seismic conditions: vertical acceleration 0.3g;

Horizontal acceleration of 0.15g (max) is free from flammable substances, explosive hazards, chemical corrosion and severe vibration.
Functions and characteristics:

LW16-40.5 Sulfur hexafluoride circuit breaker is a pillar structure of outdoor porcelain bottle, equipped with CT10A spring operating mechanism. The mechanism and the main body have many kinds of layout forms, such as large, parallel, parallel lengthening, vertical and so on. The overall volume is small, the weight is light, the structure is simple, the operation work is small, the installation and debugging is convenient. ** Life 5000 times, suitable for frequent operation using arc + auxiliary pressure gas self-energy arc extinguishing chamber, excellent interruption performance, electrical life up to 21 times, open and close capacitor banks, reactor banks are not cut-off overvoltage. The sealing performance is reliable. The imported sealing gasket is used, the O-ring structure is used for static sealing, and the V-ring with spring pressure compensation structure is used for dynamic sealing. The secondary wiring board of transformer is manufactured by pressure injection process of imported mould, which has strong anti-aging performance and ensures annual air leakage rate of less than 1%. The whole product is made of stainless steel. Fasteners, faceplates and enclosures are made of stainless steel. The inner bracket is galvanized and never corroded. The metering grade iron core of the internal transformer is made of Microcrystalline Alloy with high magnetic conductivity, and the accuracy level can reach 0.2 or 0.2S. The product can be equipped with 2-4 current transformers per phase. For specific technology, please call LW16-40.5 SF6 circuit breaker with CT14 spring operating mechanism. The circuit breaker meets the requirements of the national standard GB1984-1989 "AC High Voltage Circuit Breaker" and the International Electrotechnical Commission standard IEC60056:1987 "High Voltage AC Circuit Breaker".

LW16-40.5 series of outdoor high-voltage sulfur hexafluoride circuit breakers are three-phase 50 Hz AC electrical equipment; they are suitable for control and protection in power system with rated voltage of 40.5 kv, and can also be used as circuit breakers for connecting circuit breakers, switching capacitors and reactor groups. This circuit breaker is equipped with CT10 spring operating mechanism. The built-in current transformer can be used for measurement and protection.

shape and installation dimensions: