ZW17-40.5Series Outdoor High-volt Vacuum Circuit Breaker

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Supply Capability:
300 unit/month

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Product Description:

Specifications

LW30-126 126kv SF6 Circuit Breaker

1 Overview
LW30-126/145/3150-40 SF6 high-voltage AC circuit breaker is of 3-phase 50Hz high-voltage switchgear,used for the control and protection of 126kV/145kV power distribution and transmission system,as well as being used as the network interconnected circuit breaker and in the places switching capacit or bank.
2 Service and Installation Conditions
Ambient temperature: -30
°C~+40°C (special order - 50°C~+40°C)
Altitude:≤1000m(No limitation for special order)
Humidity:
Relative humidity at average per day (25
°C): ≤95%
Relative humidity at average per month:      ≤90%
Saturation vapour pressure: Daily average ≤2.2×10MPa
Monthly average ≤1.8×10MPa
Wind pressure:  ≤700Pa
Icing thickness: 10mm
Seismic intensity:
Horizontal acceleration: ≤0.3g
Vertical acceleration:  ≤0.15g
Sunshine intensity:  0.1w/cm (at wind velocity of 0.5m/s)
Max. daily temperature rise:  25
°C
Symmetrical Creepage distance:  31mm/kV
Protection class: IP54
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations.


 




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Q:Transmission system and distribution system
Simply put, you can distinguish between the end of the cable to the use of electrical equipment (motor, power box) is the distribution system to the substation, transformer is the transmission system
Q:High and low voltage distribution equipment
High voltage distribution equipment: high voltage fuse; high voltage isolation switch; high voltage load switch; high voltage circuit breaker.
Q:DC transmission equipment
DC screen commonly known as intelligent maintenance free DC power supply screen, referred to as DC screen, the general model is GZDW.
Q:Are electric wires and cables belong to distribution equipment?
Distribution equipment (Electrical Equipment) is in the electric power system of HV switchgear, generator, transformer, power circuit, circuit breaker, low voltage switch cabinet, distribution board, switch box, control box and other equipment collectively.
Q:What is the role of transmission system and distribution system in power grid
The distribution of power resources and power load centers in most countries in the world is inconsistent.
Q:Distribution system equipment classification
Special equipment used in a certain industry, such as artillery, automatic teller machine, steel making furnace, etc.
Q:What is the power equipment in the distribution room?
which is mainly used for the distribution of the electric energy of the low-voltage users, and the utility model is provided with a medium voltage input line (a small number of outlets)
Q:What are the distribution network equipment
Electricity and other energy sources, its main features are: cannot be stored in large scale, power generation, transmission, distribution and consumption at the same instant
Q:What are the two power distribution equipment?
The two equipment is the equipment for the control, protection, monitoring and measurement of the work of the primary equipment.
Q:CHINT group in the transmission and distribution equipment to do it?
not only is the previous low, now from energy production to transportation to use to control a complete solution.

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