Zhejiang, China
Business Type:
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Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
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Outdoor Pole Mounted Load Break Switch, Air Breaker Swicth, Disconnector Switch manufacturer / supplier in China, offering 11kv 630A Outdoor Air Break Switch, Hot DIP Galvanizing Bolt, Rear Connector with Surge Arrester and so on.

Diamond Member Since 2011
Audited Supplier

11kv 630A Outdoor Air Break Switch

Min. Order / Reference FOB Price
1 Piece US $1-2/ Piece
Port: Ningbo, China
Production Capacity: 10000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Transport Package: Wooden Case
Specification: FW1-12/24/36
Trademark: haivol
Origin: China

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Basic Info.

Model NO.
11KV 630A
HS Code
FW1 type Outdoor on load break switch (switch disconnector) contained in this list are destined to switch stub lines and ring main lines or transformers( It can be equipped with MV HRC fuse links as short circuit protection function) or for switching under on load conditions.
FW1 type switch comply with IEC/IEEE and DVE-recommendation standards. Especially comply with DIN VDE 0670 part 3 and IEC publication IEC-60265, IEC-129.

++++Service environment

  1. Air temperature: Maximum temperature: +75ºC; Minimum temperature:-45ºC
  1. Humidity: Monthly average humidity 95%; Daily average humidity 90% .
  1. Altitude above sea level: Maximum installation altitude: 2500m
  1. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
  1. No frequent violent shake

++++ Features and benefits

  • Compact design
  • All steel parts either in stainless steel or hot-dip galvanized
  • Solid and stable base frame
  • Main contact with icing protection
  • Insulators available in porcelain or alternatively in silicone
  • Minimal sag for the line-connection thanks to the two fixed terminals
  • Completely maintenance antirust AL alloy -Arc chamber
  • Switching-off procedure without external arc
  • Short circuit making capacity under specific conditions possible
  • Fixing on the supporting structure either by clamping (free setting) or screwing (holes in the base frame)
  • Easy on-site installation and setting
  • High reliability: up to 1'000 cycles (depending on the making current)
  • All conducting parts either silver, nickel or tin-plated
  • Practically maintenance-free
  • ++++ Main technical specifications
    Sheet 1
    1Rated voltagekV122436
    2Rated frequencyHz50/60
    3Rated currentA200/400/630
    4Rated short circuit withstand current (1S)kA20
    5Rated peak withstand current (1S)kA50
    6Rated making currentkA31.5-50
    Rated insulation level(HV)
    lightning impulse 
    Power frequency withstand4555/7575/100
    Rated short circuit breaking capacity cos. Φ(0.7)
    Without maintenance of contacts
    - for active circuits
    20 breakings 
    30 breakings400400300
    40 breakings300300250
    50 breakings250250170
    75 breakings170170160
    120 breakings110110110
    200 breakings656565
    280 breakings505050
    Sheet 2
    1Rated voltagekV122436
    9For ring circuits breaking capacityA630400250
    10Rated breaking capacity of transformerA50
    11Rated breaking capacity of cable chargingA11
    12Rated breaking capacity of earthing faultA56
    The FW1 type on load break switch (Switch disconnector) is equipped with stored energy released by fuse strike pins. The stored energy mechanism for the opening operation is released by fuse strike pins. The trip actuator is mounted on top of the fuse contact clip.
    The DIN type fuse is held in spring type contacts, secured by a tail lever. All the components are made of stainless steel, to prevent corrosion, have long live, and in the reset position. The trip lever is parked in an over-centre position.
  • 11kv 630A Outdoor Air Break Switch

    11kv 630A Outdoor Air Break Switch



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