FK(R)N12-12D Indoor Load Break Switch Load Breaker Isolator Isolate
SwitchProduct descriptionFN12-12 and FN12-12R is of three phases
indoor use AC high voltage load switch for breaking and making the
circuit of 50Hz, 12KV system under rated loading, closed loop
current, no-loading transformer, cable charged current and short
circuit current. The load switch equipped with earth switch can
withstand short circuit current, and m-ainly used in power
distribution substation and industrial electrical equipment where
three phase closed loop circuit or bottom power supply system for
control and protection. Technical Specifications
NumberNameUnitFN12-12DFN12-12D(R)D1Rated voltageKV122Rated
frequencyHz503Rated currentA6301254Lighting impulse resisting
voltageKVTo earthing.interphase 75 isolation break 8551min power
frequency withstand voltageKVTo earthing.interphase 42 isolation
break 486Rated heat-stability currentKA20(4S)7Rated
machine-stability currentKA508Rated closing
current(peak)KA50509Rated short-circuit breaking current
(prospective value)KA 31.510Max.critical breaking
currentA2S fuse box characterisitic curve11Min.Breaking
currentKA fuse box characterisitic curve12Rated transfer
currentKA 1.513Max.breaking current(reference
value)KA1.814Braking no-load transformer capcitykva125015Rated
cable charging currentA1016Rated power load current breaking
timestime≥10017Switch-off time of rated power load current switch
on-and-offS >0.0618Rated transfer
currentKA20(2S)20(2S)19Rated transfer currentKA505020Motor
operating power valtageVpay 110,220 direct currentEnvironmental
Conditions1. Ambient temperature: not higher than +40 ºC, not less
than -15 ºC (at -30 ºC to allow storage and
transportation). 2. Altitude: not exceed 1000m. 3. Earthquake
intensity: not more than 8 degree. 4. Wind pressure:≤700pa 5.
No fire, explosion hazard, serious filthy, chemical corrosion, as
well as places of intense vibration Company introductionZhejiang
Volcano Electrical is a professional factory for prodcuing
10-40.5kV electrical equipments for power transmission, including
all types of indoor&outdoor vacuum circuit breakers, automatic
current recloser, SF6&vacuum load break switch, isolating
switch, earthing switch, air&gas insulated switchgear, vacuum
interrupters, fuse cutouts and lightning arresters. The factory is
located in Yueqing, the famous town for all types of low and high
voltage electrical parts.It occupies square more than 10000m
2, and has developed several international production line. We
have made constant efforts to improve product quality and service.
To offer best quality with our best service to get a win-win
solution is our main principal. Certification CollectionOur company
has get ISO9001, 14001 and 18001 approved. We have passed many type
testing for our prodcuts. ContactAddress: No.211, Weishier Road,
Economic Development Zone, Yueqing, Zhejiang, China /*
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