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Vacuum Interrupters TJ-1.14/250(III)
Product Name:Vacuum Interrupters TJ-1.14/250(III)
Item No:TJ-1.14/250(III)
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.
Vacuum Interrupters TJ-1.14/250(III)  Download
Product Details Introduction

序号
No.

主 要 技 术 参 数
Main Technical Specification

型号 Type

TJ-1.14/250()

  电气参数 ELECTRIC RATINGS    

1

额定电压 Rated Voltage

kV

1.14

2

额定电流 Rated Current

A

250

3

额定频率 Rated Frequency

Hz

50/60

4

额定短时(1分钟)工频耐受电压
Rated Short-time(1min)  Power-Frequency Withshand Voltage

kV

10

5

触头自闭力下的回路电阻

Circuit Resistance At Contact Force  From Atmosphere

μΩ

120

6

雷电冲击耐受电压 Lightning Impulse Withstand Voltage

kV

18

7

额定关合能力  Rated Making Capacity

kA/50Times

2.5

8

额定开断能力 Rated Breaking Capacity

kA/50Times

2

9

极限开断能力  Limited Breaking Capacity

kA/3Times

3

10

额定短时耐受电流,10 Rated Short-time Withstand Current10s

kA

2

11

额定峰值耐受电流Rated Peak Withstand Current

kA

5

  寿命 LIFE         

1

机械寿命Mechanical Life

Times

1,000,000

2

电寿命 Electrical  Life

Times

60,000

3

储存时间 Storage Life

years

15

4

触头允许磨损厚度 Contacts Erosion Limit

mm

1

  机械数据 MECHANICAL DATA

1

触头自闭力 Contact Force  From Atmosphere

N

50±10

2

触头反力 Counterforce of Contacts at Full Stroke

N

75±15

  配套的真空开关设备应满足的机械参数
 
MECHANICAL DATA OF VACUUM SWITH EQUIPPED WITH THE INTERRUPTERS

1

触头开距 Contact Stroke

mm

2±0.2

2

超行程 Overtrave

mm

1±0.2

3

平均分闸速度Average Opening Speed

m/ s

0.30.5

4

平均合闸速度Average closing speed

m/ s

0.050.15

5

触头合闸弹跳时间  Contact Bouncing Duration at Cosing Operation

ms

3

6

额定触头压力 Rated Added External Contactfinal Force

N

95

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