15KV SF6 Gas Load Break Switch
15 kv pole mounted disconnect switch is suitable for rated voltage 15kV, rated current 630A, 50/60Hz distribution network breaking. The load current or overload current in a power system automatically isolates the faulty sections of the distribution line.
With the latest technology electronic controller, this manual load break switch realizes manual operation, electric operation, and remote operation. The electronic controller is installed in the stainless steel box and can be used under various climatic conditions. In addition, 15kv load break switch cable and wireless modems can be installed in the box to realize remote monitoring and control. Simple installation and arrangement on the pole are convenient, quick, and low construction cost.
Characteristics of 15KV SF6 Gas Load Breaker Switch
The 15KV pole mounted disconnect switch is made of proven durable, corrosion-resistant material. (304L stainless steel plate for warships), ensure a long service life (30years), our 15kv load break switch can carry out a series of operations, with the pole top equipment ideal characteristics.
Each GOPOWER 15kv load break switch has been filled with sf6 gas before leaving the factory, sealed treatment. The 15 kv pole mounted disconnect switch test was carried out according to IEC60265-1 (1988) GB 3804-1990 standard.
SF6 Gas 15KV Load Break Switch In Pole Mounted Switch Solution
15kv load break switch has a certain interrupting capacity because of the interrupting device, but 15 kv pole mounted disconnect switch is not as strong as the interrupting capacity of the circuit breaker, which can split the normal working current, and in the case of short circuit, he can only silently withstand the short circuit current, and if this time the manual or electric breaking may explode, so the load switch is generally used together with the current limiting fuse (load switch + fuse is not the standard configuration, and can also be used without fuse) In the event of an overload or short circuit, the circuit is broken by a fuse. In order to save costs, the load switch + fuse can replace the circuit breaker. Inquiry more pole top switches
Specification of 15 KV Pole Mounted Disconnect Switch
Products Type FWX-15
Basic Ratings
Maximum System Voltage 15KV
Rated Continuous Current 630A
Rated Frequency 50/60Hz
Short Time Withstand Current IKA/sec
Making and Breaking Capacity
Mainly Active LoadCurrent 630A
Number of Load-break Operations 400times
Short-circuit Making Current(peak) 50KA
Number of Making Operations on 15 KV Pole Mounted Disconnect Switch
Number of Making Operations 5 times
Cable Charging Current lOA
Line Charging Current lOA
Closed Loop Circuit Current 630A
Transformer Magnetizing Current 22A
Power Frequency Withstand Current Test
Wet Condition- 10 sec (Ph- Ph-Eth, Across Interrupters) 50KV
DryCondition- I min ( Phase to Phase, Phase to Earth) 50KV
Dry Condition - 1 min (Across Interrupter ) 60KV
Impulse Withstand Current Test(1.2 x 50 µs)
Internal Arc Test of 15 KV Pole Mounted Disconnect Switch
Internal Arc Test 20kA /0.1 sec
Arc Extinction Medium SF6 Gas
Insulation Medium SF6 Gas
Creepage Distance (Porcelain) 560mm
IP Level 54
Operation Performance
Closing/Opening Tin < O. l sec
Mechanica l Operations (Guaranteed) l OOOO times
Operating Temperature.1re(*Manual Type) -25～+70℃
Gas Pressure
Nominal Pressure (kg/cm2 G, at 20°C) 0.07
Bursting Pressure (kg/cm2 G) 4 ~ 6
Minimum Gas Pressure (kg/cm2 G) 0.0
Leakage Rate (cc/ sec) 1%
Other Ratings & Specifications of 15 KV Pole Mounted Disconnect Switch
Other Ratings & Specifications
Internal Arc Test 20kA /0.1 sec 20kA /0.1 sec 20kA /0.1 sec
Arc Extinction Medium SF6 Gas SF6 Gas SF6 Gas
Insulation Medium SF6 Gas SF6 Gas SF6 Gas
Creepage Distance (Porcelain) 380mm 700mm 1055mm
Creepage Distance (Silicon) 780mm 1200mm 1550mm
Dry arcing distance ≥200mm ≥ ≥
IP Level 65 65 65
Operation Performance
Closing/Opening Time ＜1sec ＜1sec ＜1sec
Mechanical Operations (Guaranteed) 10000times 10000times 10000times
Operating Temperature (*Manual Type) -25～+70℃ -25～+70℃ -25～+70℃
Gas Pressure
Nominal Pressure (MPa, at 20°C) 0.07 0.07 0.07
Bursting Pressure (MPa) 0.4～0.6 0.4～0.6 0.4～0.6
Minimum Gas Pressure (MPa) 0.05 0.05 0.05
Leakage Rate (cc/ sec) ≤0.5% ≤0.5% ≤0.5%
Voltage sensors
CT ABC 10P10 5VA 400:5 400:5 400:5
Incoming side and outgoing side of the voltage sensor 6 Voltage sensor（built-in） Phase voltage：（24（36）kV/√3）/（3.25V/√3）
Special attention should be paid to the voltage sensor, which must be directly fed by the 15kv load break pole mounted disconnect switch. No additional adjustment circuit can be added to the controller. The voltage signal of the switch into the test line needs to be tested separately.
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