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Fzn21-12D/T630-20 Indoor High Voltage Vacuum Load Switch

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Shanghai

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-27 13:57

  • Browse the number:

    229

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Company Profile

SHANGHAI POWERY INDUSTRIES CO., LTD.

By certification [File Integrity]

Contact：Mr. Frank Xu(Mr.)  

Email：

Telephone：

Phone：

Area：Shanghai

Address：Shanghai

Website： http://qdpowery.byshaiwang.com/

Product details

Product description
Name:FZN21-12D/T630-20 Indoor High Voltage Vacuum Load Switch
Application:This kind of switch is three phsae switch equipment used in AC indoor high voltage , suitable for 12KV electric power system. It has the ability of close, bearing, breaking load and overload current, and it also breaks, close long no-load wire, transformer and container.

Main technique parameter of switch
 
Project Unit Value
Rated voltage KV 12
Rated frequency Hz 50
Rated active load breaking current A 630
Rated closed loop breaking current A 630
5%Rated active load breaking current A 31.5
Rated cable charging breaking current A 10
Rated breaking no-load transformer capacity KVA 1250
1min power frequency withstand voltage:(vacuum fracture,phase to phase) KV 42/48
Lightning Impulse withstand voltage:(vacuum fracture,phase to phase) KV 75/85
Rated short-time withstand current(thermal stability) KA/s 75/85
Rated peak withstand current(dynamic stability) KA 50
Rated short-circuit making current KA 50
Rated current breaking times  time 10000
Mechanical life  time 10000
 Vacuum interupter thickness of allowed contact wear mm 2