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Bd1250|12 Vacuum Arc Extinguish Chamber for Indoor Circuit Breakerzn28

Name: Bd1250|12 Vacuum Arc Extinguish Chamber for Indoor Circuit Breakerzn28
Brand: all-electronics-online.com
SKU: 816054685
Availability: InStock
Rating: 5 (62 reviews)

Price:	US $ 700-1000/Piece
Min Order:	1/Piece
Pay Type:	L/C,T/T,D/P,Western Union,Paypal

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Showroom Product Company Profile

Prod Model:	BD1250\|12-20\|25
Rated Current:	1250A
Rated Voltage:	12kv
Breaking Capacity:	High Voltage Circuit Breakers
Operation:	Energy-storage Type
Speed:	High-Speed Circuit Breaker
Arc-extinguishing Medium:	Vacuum
Installation:	Fixed
Structure:	ACB
Poles Number:	1
Certification:	ISO9001-2000

Product Description

Product description

Operation: Electric Type
Rated Current: 1250A
Material: Ceramic
Rated Short-Circuit Breaking Current: 25ka
Model:ZN28
Function: Circuit-Breaker Failure Protection
Sructure:Cup type axial magnetic field vaccum chamber
Advantage:Small volume, big dropout crrrent volume, high insulation, strong arcing ability, simple maintenance, no explosion danger, no pollution danger, little noise

Main Technique Parameter

Parameter name	Unit	Value
Rated voltage	KV	12
Rated short-circuit breaking current	KA	20, 50
Rated Short-circuit making current	KA	50, 63
Rated peak withstand current	KA	50
Rated short-time withstand current	KA	20, 25
Rated duration of short circuit	s	4
Rated single capacitor unit breaking current	A	630
Rated back to back capacitor unit breaking current	A	400
Rated short time power frequency withstand voltage(1min)	KV	42
Circuit resistence at lower limit of rated contact pressure	μΩ	≤30
Rated short circuit breaking current breaking times	time	30
Rated lightening impulse withstand voltage	KV	75
Mechanical endurance	time	10000
Closing force due to bellow and atmosphere	N	120±50
Force required to hold contacts open at full stroke	N	200±50
Contact-wear allowance thickness	mm	3
Gas pressure inside vacuum interrupter	Pa	≤1.33X10^-3

Our company
SHANGHAI POWERY INDUSTRIES CO., LTD. ( SPI ) corporate group has been dealing with the interfaces in the flow of electricity ever since it was founded back in 2011. SPI's three groups - Pole Line Hardware( Tsingtao, China ),High Voltage Line Protection(Lishui, China ), Distribution Transformers( Shinseong, Korea ) - offer a unique set of brands and products. As a specialist in energy transmission and distribution, we offer our customers and business partners a range of sophisticated, future-ready products: For all voltage ranges and wherever reliable, long-lasting systems are needed for powerful energy grids. We are already well-established in all key global markets and are continuing to strengthen our brand on a worldwide scale.SPI has identified key factors that will be instrumental to its sustainability.

Shanghai Powery Industries Co., Ltd. Located in Shanghai China, our factory located in the beautiful seaside city--Qingdao, covering more than 10000sqm, with the workshop covering an area of 5000sqm, is a advanced management company, which is about 15 minutes' drive away from the Qingdao airport and about half-hour's drive away from the port.

We are engaged in the design, manufacture and marketing services of rigging, vessel and container fittings, electric power fittings, and high and low voltage transmission and distribution line fittings. We have been equipped all kinds of forging machines, casting machines, punching machines, lathes and drilling machines. "Quality and Service" is our top belief. Our products have been exported to Asia, America and Africa for many years. Most of our friends and customers are satisfied with our quality and services, on the basis of which, long-term friendships have been established.

Being ISO9001: 2008 certified and with permits for all products, we produce all products according to relative International Standards and customers' requirements.

You and your esteemed company are welcomed to visit us. Our best services, famous Qingdao beach sightseeing and delicious seafood are waiting for your presence.