Fzn21 40.5kv 1250A Indoor High-Voltage Vacuum Load Switch

Fzn21 40.5kv 1250A Indoor High-Voltage Vacuum Load Switch image

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Basic Info.

Model NO.

FZN21

Number of Poles

Unipolar

Grounding

Single Ground

Series

Two

Run

Plug-In

Switching Mode

Double-Throw Type

Common Model

Gw4

Structure of Operating

Electric

Certification

ISO, CE, ISO9001

Brand

Cnkc

Rated Frequency

50Hz

Rated Voltage

40.5kv

Maximum Rated Current of Fuse

630A

Rated Peak Withstand Current

50kVA

Rated Cable Charging Current

10A

Rated Short-Circuit Breaking Current

31.5

Rated Transfer Current

1700

Transport Package

Wooden Case / Shipping

Trademark

CNKC

Origin

China

Production Capacity

3000PCS/Monthly

Product Description

Product Description
FZN21-40.5 type high-voltage vacuum load switch and combined electrical appliances, suitable for three-phase AC 40.5KV, 50Hz power system, or complete sets of power distribution equipment and ring network switchgear, combined power station and other supporting use, widely used in wind power generation , urban network construction and renovation projects, industrial and mining enterprises, high-rise buildings and public facilities, etc., can be used as ring network power supply units or terminal equipment, playing the role of power distribution, control and protection. The technical performance of this product meets the requirements of GB16926-1997 (AC high voltage load switch-fuse combination) and IEC420 (AC high voltage load switch-fuse combination).

Model Description

Product technical parameters and Structure dimension

Product structure features

This product has the advantages of large breaking capacity, safety and reliability, long electrical life, frequent operation, compact structure, small size, light weight, and basically no maintenance. It has the ability to break rated current, overload current, short-circuit current and prevent the equipment from running without phase. The switch has obvious isolation fracture, equipped with grounding switch and electric spring mechanism with closing ability, and has remote control ability.

Environment condition

Ambient temperature:-10ºC-+40ºC
Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more
Than1.8 Kpa.
The height above sea level:≤1000 m (Except special requirements)
It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.

Product details

Products real shot

A corner of the production workshop

Product packaging

Product application case

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