Fw1 Type Outdoor on Load Break Switch

FW1-12/24/36

Service environment

a)Air temperature: Maximum temperature: +75ºC ; Minimum temperature:-45ºC

b)Humidity: Monthly average humidity 95%; Daily average humidity 90% .

c)Altitude above sea level: Maximum installation altitude: 2500m

d)Ambient air not apparently polluted by corrosive and flflammable gas, vapor etc. 

e)No frequent violent shake

Features and benefifits

•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 fifixed terminals

•Completely maintenance antirust AL alloy -Arc chamber 

•Switching-off procedure without external arc 

•Short circuit making capacity under specifific 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