301A 630A Indoor High Voltage Vacuum Interrupter

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: 301A
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 1
• Type: Vacuum
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000
• Rated Voltage: 12 Kv
• Mechanical Life: 30000
• Rated Short-Time Withstand Current: 6.3ka
• Rated Lightning Impulse Withstand Voltag: 75kv
• Transport Package: Cartoon Packing
• Specification: Customized
• Trademark: ZGHQDL
• Origin: China
• HS Code: 8538900000
• Production Capacity: 3000/M

Product Description

The vacuum interrupter for circuit breaker mainly used for substation and power grid facilities in the power sector.This series of vacuum interruper adopt ceramic insulating envelope,Cu-Cr contact materials.It has the features of large switching capacity ,high insulating levels,strong arc-quenching capability and long life,etc.Vacuum circuit breaker matched with it has the advantages of simple maintenance,no risk of explosion,no pollution and low noise,etc.,and it can be widely used in the electric power,mechanical,metallurgical,chemical and mine department,etc.,to control and protect the transmission and distribution system.

Name of parameter	Unit	Value
Rated Voltage	kV	12
Rated current	A	630
Rated frequency	Hz	50
Rated short-time(1min) power-frequency withstand voltage	kV	42
Rated lightning impulse withstand voltage(peak)	kV	75
Rated peak withstand current	kA	6.3
Rated short-time withstand current	kA	6.3
Mechanical life	Operations	30000

FAQ
Q1: Are you a factory or trading company
A1: Yes, we are a top-notch manufacturer dedicated to the research, development, and production of a wide range of high-quality transformers.  Both our products and prices are very competitive.

Q2: How does your factory do regarding quality control?
A2: All the products will be 100% checked and tested before delivery. All our products comply to strict tests, easy maintenance is guaranteed. We also offer on-line after-sale service in case of any further problems. 

Q3: When can I get the price?
A3: Usually we quote within 24 hours after we get your inquiry.

Q4: How could I get a sample?
A4: if you can not buy our product in your local area, we will ship a sample to you. You will be charged a sample price plus all related shipping costs. Express delivery charge depends on the quantity of the samples.
(Does not include large electrical equipment.)

Q5: What is the price of shipping?
A5: Depending upon the port of delivery, the price varies.