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                                  Disconnect Breaker

                                  GW4-72.5/126/145D(W)Outdoor HV Disconnect Switch

                                  • Product ID:Disconnect Breaker
                                  • Skype:richtang731
                                  • Phone: 18900751339
                                  • Tel: 0731-85499326
                                  • Email:
                                  • Time: 2020-06-04
                                  • 咨詢

                                  GW4-72.5/126/145 outdoor high voltage disconnect switch is used to open and close high voltage circuit in rated voltage 72.5/126/145kV, AC 50/60Hz system, the anti-pollution type is especially suitable for serious pollution area.
                                  It accords with standards of IEC62271-102: High voltage AC disconnect switch.
                                  Ambient condition
                                  1. Altitude: 3000m;
                                  2. Ambient temperature: -25 ~+40 ;
                                  3. Wind speed: 35m/s;
                                  4. Earthquake intensity: 8 degree;
                                  5. Ice thickness: 10mm;
                                  6. Anti-pollution type is especially suitable for serious pollution area;
                                  7. Applicable occasions should be free from inflammable, explosives and severe vibration.
                                  Operating mechanism
                                  GW4 disconnect switch with CS17 manual operating mechanism is made of frame, auxiliary switch and handle, weight is about 15kg.
                                  GW4 disconnect switch with CJ6B motor operating mechanism is made of stainless steel cubi cle, mechanism and secondary control part auxiliary switch and handle, it have features of low noise, steady driving, easy operating, free maintenance.
                                  Disconnect switch can match with motor or manual operating mechanism.
                                  Mechanism box can match with DSW4 electromagnetism lock to make sure anti-failure operating.
                                  Structure feature
                                  Disconnect switch is made of pedestal, post insulator and electric part. The pedestal of bearing adopts two whole sealing structure of frame oil sealed. There is mechanical interlock device between the main blade and the earthing blade to ensure operation follows the prescribed procedure (main open-earth close-earth open-main close). During operation mechanism operation, it drives the post insulator move 90 , the other post insulator move 90 through the cross rod to make sure opening and closing exactly.
                                  Product feature
                                  1. Advanced driving struction
                                  1.1 Drivi ng part adopt composite axi s cover of self-lubricate, no need to add lubricating oil. Axis pin and a xis is made of stainless steel or alum bronze and have features of high precision and antirust.
                                  1.2 Framework seal structure for axis base, it's sealed both for upper and underside, molybd enum for lubricant grease, no volatilization, and non-maintenance.
                                  1.3 O/C position-limited reliable.
                                  1.4 It adopt adjustable hoop connection for mechanism output axis with switch driving axis, no need jointing and easy co nnection.
                                  2. Well anti-rust performance
                                  2.1 Different parts have different anti-rust method, hot-galvanized, hot extrusive zinc or painting.
                                  2.2 Standard equipment is made of stainless steel or hot-galvanzied, stainless steel for below M10 fixing equipment,hot-galvzanized for other parts.
                                  3. Credible main electric system
                                  3.1 Contact finger silver-gilt thickness 30um, hardness 120 Vickers.
                                  3.2 Electric loop almost adopt fixing connection and can improve electric stability and reliability.
                                  3.3 Self force type contact can be chosen by users, it's made of chrome, it make use of flexibility of contact finger and electric power to make contact electric well for electric loop all the time and avoid over-heater.

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