產(chǎn)品名稱

GT7-12戶內(nèi)交流高壓隔離開關(guān)

產(chǎn)品圖片

適用范圍Application Range

GT7-12型戶內(nèi)交流高壓隔離開關(guān)，適用于額定頻率為50Hz，額定電壓為12kV的戶內(nèi)裝置。可與各種高壓開關(guān)柜配套使用，尤其適用于箱型金屬封閉開關(guān)柜，其可使開關(guān)柜結(jié)構(gòu)簡單緊湊、合理、安全可靠。分閘后建立安全可靠的絕緣間隙（明顯的斷口），將需要檢修的線路和電氣設(shè)備由隔離開關(guān)底架與電源安全隔離，以確保檢修人員與設(shè)備的安全。

本產(chǎn)品用于固定式開關(guān)設(shè)備中，一方面可導(dǎo)通或隔離主回路。當(dāng)操作隔離開關(guān)至分閘位置時，它可使檢修的元件（如斷路器等）與帶電回路（如主母線等）之間分隔開來。另一方面，還可在隔離的同時接地，此時回路只可能發(fā)生對地的放電，而不會波及被檢修的元件，從而確保了檢修人員的安全。

gt7 - 12 series wall type indoor AC high voltage disconnector is suitable for indoor devices with rated frequency of 50 Hz and rated voltage of 12 kV. It can be used with all kinds of high voltage switchgear, especially for box type metal enclosed switchgear, which can make the structure of switchgear simple, compact, reasonable, safe and reliable. After opening, a safe and reliable insulation gap (obvious fracture) shall be established, and the lines and electrical equipment to be repaired shall be safely isolated from the power supply by the base frame of disconnector, so as to ensure the safety of maintenance personnel and equipment.

This product is used in fixed switchgear. On the one hand, it can conduct or isolate the main circuit. When the disconnector is operated to the opening position, it can separate the repaired components (such as circuit breaker, etc.) from the live circuit (such as main bus, etc.). On the other hand, it can also be isolated and grounded at the same time. At this time, the circuit can only discharge to the ground, and will not affect the repaired components, so as to ensure the safety of maintenance personnel.

產(chǎn)品特點Product Features

GT7-12D隔離開關(guān)總體結(jié)構(gòu)簡單緊湊，聯(lián)鎖安全可靠，隔離開關(guān)和接地開關(guān)一體化設(shè)計。接地開關(guān)具有和隔離開關(guān)相同的額定短時耐受電流和額定峰值耐受電流，接地開關(guān)關(guān)合短路電流為25kA,可以達(dá)到5次。

The overall structure of gt7-12d disconnector is simple and compact, the interlock is safe and reliable, and the disconnector and grounding switch are integrated. The grounding switch has the same rated short-time withstand current and rated peak withstand current as the disconnector. The closing short-circuit current of the grounding switch is 25kA, which can reach 5 times.