An overview of the
FLN36-12 d, FLRN36-12 d indoor communication high-pressure sulfur hexafluoride load switch, load switch and fuse combination electric appliance and can be installed cable head type load switch is our company digestion and absorption of advanced foreign technology, combined with the operation requirements of our country, the design and development.
The product has been fully tested and its performance meets the requirements of GB3804 3-63kv ac high-voltage load switch, GB16926 high-voltage switch-fuse combiner, IEC60265 and IEC60420 standards.
The product has a "split-ground" three-station arc extinguishing chamber, reliable interlock, high breaking insulation strength, large clamping distance design, and uniform pressure protective cover for the outlet end.
Load the load switch with cable head, and install the front connector of touchable cable at the outlet end. Install the high voltage cable in and out of the cable, and use it in the box of cable branch (connection).
Switch. Special seal and the fixed seal design, reliable sealing, and equipped with a pressure gauge in the obvious location, for run-time monitoring, ensure the running safety, is a new generation of high voltage switch equipment of urban power grid equipment.
This product is suitable for, 10 kv three-phase ac 50 hz in the power system, as the industrial and mining enterprises, high-rise buildings, residential quarters, pre-installed type substation, for the breaking, closing load current, the fault current, control and protection circuit and the power distribution transformer.
Model and meaning
Conditions of use
Ambient air temperature: 15 ℃ ~ + 40 ℃.
Throughout the sport altitude: not exceeding 1000m;
Humidity conditions: daily average relative humidity of not more than 95%, on average less than 90% relative humidity, vapor pressure less than the average of 2.2 kPa, monthly average water vapor pressure is not more than 1.8 kPa;
The surrounding air is not visibly contaminated by dust, smoke, corrosive and/or combustible gases, vapors, or salt fog;
The vibration or ground motion from the outside of the switching device and the controlling device is negligible;
The amplitude of electromagnetic interference induced in the second system is not more than 1.6KV.
According to GB/ t11022-1999 "technical requirements for the sharing of high voltage switching equipment and control equipment standards", the circuit breaker shall operate under normal operating conditions.
If users there are differences in working conditions and the normal conditions of use, such as: installation location at an altitude of more than 1000 m, ambient air temperature more than normal conditions of use prescribed limit or humidity is easy to produce gel, with manufacturers to negotiate, and reach agreement.
Structural characteristics of
Load switches and combiners are composed of the same insulated shell switch body, the same spring operating mechanism, the fuse holder and the fuse action impact trip system.
The load switch of the front connector of the cable is composed of the special body of the body of the body of the body of the body of the body of the body of the body of the body of the body of the body of the body of the body of the body and the universal spring shackle mechanism.
Upper and lower shell composed of epoxy resin casting, inflatable inner cavity, common dynamic contact for rotary motion can be done step by step "one points a grounding" three kinds of working condition, can in the basic manual spring storage operation mechanism can be mounted on the motor, brake, realize the remote control, for the user to choose from.
SF6 gas pressure gauge and position indicator are arranged on the front of the mechanism box. The pressure gauge is used to monitor the change of SF6 gas pressure.
The position indicating device is directly connected with the transmission of the moving contact head, indicating that the working position of the moving contact head is absolutely reliable.
There is a safety diaphragm at the back of the outer shell. When some accident may occur in the interior of the arc extinguishing chamber, the overpressure gas can break through the diaphragm and be released to ensure personal safety.
Load switch and ground switch, ground switch and front door (the switch has this interlock for use in cabinet) all have reliable mechanical interlock.
