switch cabinet

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Specifications

the distribution power device with 12kv, three-phase, AC, 50HZ, used in the single bus and segmented system.

Standard:

GB3906-2006; DL/T 404-1997.

Usage:

Used in the single bus power system with 3.6-12kv, AC, three-phase, 50HZ to accept and distribute power, control, protect and monitor the circuit.

The technical parameter:

Item		Unit	Parameter
rated voltage		kV	3.6,7.2 ,12
rated current		A	1250,1600,2000,2500,3150
rated short-circuit drop-out current		kA	31.5,40
4Srated heat steady current		kA	31.5, 40
rated dynamic current		kA	80 ,100
rated lighting impulse withstand voltage		kV	75
Rated 1min power frequency withstand voltage		kV	42
auxiliary circuit power frequency withstand voltage		V	2000
auxiliary circuit control voltage		V	DC110,220 ; AC110,220
the level of protection of Shell and cabinet			IP4X
Size of cabinet	Middle-type	mm	900×1775×2050(800×1775×2050)
	Landing middle-type	mm	840×1775×2200(1000×1775×2200)

Q: What is the difference between power supply and distribution: Power supply and distribution is part of the use of general by the Architectural Design Institute of electrical professional

Q: What is the role of transmission system and distribution system in power grid: The power load center is more concentrated in the industrial zone and the big city,

Q: Are electric wires and cables belong to distribution equipment?: Wire and cable for the transmission of electric (magnetic) energy, information and realize electromagnetic energy conversion of wire products, wire and cable general also referred to as the cable,

Q: High and low voltage distribution equipment: Low voltage distribution equipment: low voltage distribution panel, switch cabinet, switch board, lighting box, power box and motor control center.

Q: Transmission lines are not electrical equipment?: If you are satisfied, please accept it as a satisfactory answer

Q: Main equipment of high voltage direct current transmission: It is composed of two or more converter bridges, which can realize the AC DC AC converter.

Q: What is the transmission line, what is the power distribution equipment: Usually an overhead line, a very small number of lines (or some of them) is a cable line

Q: Transmission and transformation equipment: Transmission and transformation of basic electrical equipment, including the main wire, transformers, switchgear, high voltage insulators, etc.

Q: Difference between distribution voltage and supply voltage: In general, the city substation will be reduced to 10KV 110KV to the electrical terminal.

Q: Power distribution equipment should be prepared before the blackout?: electrician received power outage notice, pull down the knife switch, accept fuse.

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