BD-12/1600-31.5 Glass vacuum arc extinguishing chamber-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

Product name：

BD-12/1600-31.5 Glass vacuum arc extinguishing chamber

specification：

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Category：

spare parts and accessories -- Glass arc extinguishing chamber

Price：

factory price

Brand：

Shanghai

Place of Origin：

China

Available Quantity：

batch

delivery cycle：

Spot goods (or inquire by telephone)

Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

91way@163.com
13916500500(Wechat)

BD-12/1600-31.5 Glass vacuum arc extinguishing chamberDetailed product description：

Overview
The glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5 adopts a medium sealed structure, a glass shell, contacts made of CuCr50 alloy material, a cup-shaped longitudinal magnetic structure, and has the characteristics of large current breaking capacity, high insulation level, strong arc extinguishing ability, long service life, small volume, simple maintenance, no explosion hazard, no pollution, and low noise. The outdoor vacuum circuit breaker assembled with it is used for control and protection in power transmission and distribution systems such as industrial and mining, enterprises, and substations. Product Description

Main technical parameters of glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5

Parameter Name	unit	numerical value
rated voltage	kV	twelve
rated current	A	one thousand and six hundred
Rated short-circuit breaking current	kA	thirty-one point five
Rated short-circuit closing current	kA	eighty
Rated peak withstand current	kA	eighty
Rated short-time withstand current	kA	thirty-one point five
Rated short-circuit duration	S	four
Rated breaking current of a single capacitor bank	A	six hundred and thirty
Rated back-to-back capacitor bank breaking current	A	four hundred
Rated short-time (1min) power frequency withstand voltage	kV	forty-two
Circuit resistance under rated contact pressure	μΩ	≤30
Rated short-circuit breaking current breaking times	time	thirty
Rated lightning impulse withstand voltage	kV	seventy-five
mechanical life	time	ten thousand
Contact self closing force	N	120±50
Contact reaction force at rated opening distance	N	200±50
Contact wear allowance	mm	three
Internal gas pressure	Pa	≤1.33×10ˉ^three
Allowable storage period	year	twenty

Mechanical parameters for using circuit breakers

project	unit	numerical value
contact gap	mm	11±1
Contact stroke of contacts	mm	3.5±0.5
Average closing speed	m/s	0.6±0.2
Average opening speed	m/s	1.1±0.2
Rated contact pressure	N	3100±200
Contact closing bounce time	ms	≤2
Non synchronous closing and opening of contacts	ms	≤2

Glass vacuum arc extinguishing chamber for circuit breaker BD-12/1600-31.5

BD-12/1600-31.5 Glass vacuum arc extinguishing chamber（schematic diagram）