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VF40 Vacuum Circuit Breakers for 35 kV AC Networks

VF40 Vacuum Circuit Breakers for 35 kV AC Networks — ELTEHNIKA OJSC

品牌: VF40

¥64,800 - ¥216,000 CNY

MOQ: 1 pieces

主要特点

Nominal voltage: Built-in memory card slot, support microSD/SDHC/SDXC card (up to 256GB); manual recording/alarm recording kV

Rated tripping current: 20000...31500 A

Highest operating voltage: 40,5 kV

Rated current: 630...2500 A

供应商信息

ELTEHNIKA OJSC

🇷🇺 📦 🏭 🛡️

查看全部产品 (9)

快速询价

产品描述

Vacuum switches VF40 are designed for operation in three-phase alternating current networks with rated voltage of 35 kV with isolated or earthed neutral through arc suppression reactor or resistor. Overall and connection dimensions of the switches allow not only to install them in complete switchgear (switchgear), produced to date, but also to install them when replacing the circuit breakers that have served their time (retrofit).

规格参数

Nominal voltage

Built-in memory card slot, support microSD/SDHC/SDXC card (up to 256GB); manual recording/alarm recording kV

Rated tripping current

20000...31500 A

Highest operating voltage

40,5 kV

Rated current

630...2500 A

Normalized parameters of through short-circuit currents: electrodynamic resistance currents

51000...81000 A

Normalized parameters of through short-circuit currents: thermal resistance currents

20000...31500 A

Rated supply voltage for control circuits and auxiliary circuit elements

220 V

Rated current of control circuits of on/off solenoids not more than

1 A

Operating voltage range of control circuits (AC/DC) of the actuation solenoid

70–115 / 85–105% 的 U_nom %

Operating voltage range of the control circuits (AC/DC) of the trip solenoid

65–120 / 70–110% 的 U_nom %

Operating voltage range of control circuits (AC/DC) of the power spring cocking motor

85–110% 的 U_nom %

Mechanical life (number of cycles B-tp-O), not less than

10000 pcs

Switching life (number of cycles ?- tP-O) at rated tripping current, not less than

25 pcs

Service life before decommissioning, not less

30 year

Operating ambient air temperature range

从 -25 到 +40° °C

Resistance to seismic effects according to MSK-64 scale

9 points

Weight, not more

300 kg

宽度

892 mm

高度

1572 mm

品牌

VF40

Current type of control coil

交流/直流

Block pins

是

极数

极体是由绝缘材料制成的铸造结构。极内安装有VDK。极的接触引线与相应的VDK接触相连。

驱动

弹簧驱动器，独立动作，使用预紧弹簧的机械能。弹簧机制确保移动接触杆以所需的速度和行程特性移动。

连接

可拔出

Degree of protection according to GOST 14254-96

IP4X

Control circuit current type

交流/直流

Availability of built-in controls

是

深度

695 mm

Type of climatic version according to GOST 15150-69

U

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