Kunshan Guoli Electronic Technology Co., Ltd.

China Manufacturer with main products: Vacuum Capacitors, AC Contactors, Circuit Breakers, Hydrogen Thyratrons, Magnetrons, HV Relays, DC Contactors, Spark Gaps

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Vacuum Interrupters for Isolating Switches TF-12/630-20C

FOB Price: 50.00 - 500.00 USD/Piece
Supply Ability: 5,000 Piece(s) per Month
Payment Terms: T/T
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Jiangsu in China

Quick Details

  • Brand Name: GLVAC
  • Size: 50*180mm
  • Type: Interrupter
  • Material: ceramic
  • Color: white
  • Model Number: TF-12/630-20C


the Interrupter adopts " one shut technology", ceramic shell, CuWC as the contact material;is characterized by high insulation, low stop-flow, strong blowout ability, long life, smallsize etc, and has advantages as easy to maintain, no explosion risk,pollution-free and lownoise etc. Contactors assembled by it are used to control and protect the electricity transmission and distribution system in electrical, mechanical, chemical, metallurgy, mining and railway department, especially in frequent operation fields.

Product Details Introduction

Technical parameters
Rated Voltage (kV) 12
Rated Current (A) 630
Rated Make Current (kA/Times) 20/4
Rated Break Current (kA/Times)
Maximum Break Current (kA/Times)
Rated Short Time Withstand Current/Last Time (kA/s) 20/4
Break Times under Rated Current (AC-4)
Short Time (1Min)Power Frequency Withstand Voltage (kV) 42
Thunder and Lighting Shock (kV)
Circuit Resistance under Rated Contact Pressure(μΩ) =60
Mechanical Life (Times) 1*10 4
Contact Force at Rated Contact Gap (N) 70±20
Max Contact Gap (mm) 13
Reaction Force at Rated Contact Distance (N) 110±20
Contact Erosion Limit (mm) 3
Weight (kg)
Store Duration (Year) 20
Mechanical Parameter Rated Contact Gap (mm) 8±1
Contact Overtravel (mm) 3±1
Average Break Speed (m/s) 1±0.2
Average Make Speed (m/s) 0.6±0.2
Rated Contact Operating Pressure (N) 1000±100
Contact Make Bounce Time (ms) =3
Three-phase Synchronism (ms) =1

Vacuum Interrupters for Isolating Switches TF1263020C

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