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Indooor High Voltage Vacuum Circuit Breaker

Name: Indooor High Voltage Vacuum Circuit Breaker
Brand: all-electronics-online.com
SKU: 817754015
Availability: InStock
Rating: 4.7 (52 reviews)

Price:	US $ 50-100/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:	ZN28-12
Rated Voltage:	12kv
Rated Mechanical Life:	10000 Times
Breaking Capacity:	High Voltage Circuit Breakers
Operation:	Energy-storage Type
Speed:	High-Speed Circuit Breaker
Arc-extinguishing Medium:	Vacuum
Installation:	Fixed
Poles Number:	1
Certification:	GB1984
Structure:	Vcb

Product Description

Product Info

ZN28(A)-12 series indoor high-voltage vacuum circuit breaker is a kind of three-phase indoor high-voltage switch of rated voltage 12kV and AC 50Hz, which comply with GB1984 standard .

Main parameter

Item		Unit	Parameter
Rated Voltage		kV	12
Rated Current		A	630, 1000 1250	630, 1000 1250	1250, 1600 2000, 2500			1600, 2000 3150
Rated Short-circuit Breaking Current		kA	20	25	31.5			40
Rated Short-circuit Making Current (Peak)		kA	50	63	80			100
Rated Peak Withstand Current		kA	50	63	80			100
4s Rated Short-time Withstand Current		kA	20	25	31.5			40
Rated Insulation Level	Power Frequency Withstand Voltage (Rated Breaking Before and After)	kV	42 (Break 48)42
	Lightning Impulse Withstand Voltage (Rated Breaking Before and After)	kV	75 (Break 84) 75
Rated Operating Sequence			O-0.3s-C O-180s-CO
Mechanical Life		times	10000
Rated Short-circuit Current Breaking Times		times	50
Rated Closing Voltage of Operator (DC)		V	110, 220			220
Rated Closing Current of Operator (DC)		A	71				128
Rated Opening Voltage of Operator (DC)		V	110, 220
Rated Opening Current of Operator (DC)		A	3.0, 1.5
Clearance Between Open Contacts		mm	11± 1
Over travel of Contacts		mm	4± 1
Three-phase Opening/Closing Synchronization		ms	≤ 2
Closing Bouncing Time		ms	≤ 2
Average Opening Speed (excluding Oil Bumper)		m/s	1.2± 0.3
Average Closing Speed		m/s	0.6± 0.2
Opening Time	Highest Operating Voltage	s	≤ 0.06
	Lowest Operating Voltage	s	≤ 0.08
Closing Time		s	≤ 0.2
Main Loop Resistance of Each Phase		μ Ω	<50					<35
Total Thickness of Permissible Wear of Moving and Static Contacts		mm	3
Oil Bumper Buffer Trip		mm	10

Our company

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( Qingdao, 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 sustainabilit

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.