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JN15-12/630 household grounding switch
JN15-12/630 household grounding switch
Product details
product details
Overview The JN15-12 indoor high-voltage grounding switch has undergone comprehensive assessment and its performance meets the requirements of BG1985 "AC High Voltage Isolation Switch and Grounding Switch" and IEC60129. It is suitable for power systems with 12kV/40.5kV and below, AC 50Hz, and can be matched with various types of high-voltage switchgear for grounding protection.
The integral grounding switch of this switch. Composed of low frame, pillar insulator, static contact, dynamic contact blade, main shaft, and fast spring components. In addition, according to user needs, an electric display device can be equipped.
Product Features
1. Advanced design and reliable technical performance;
2. Simple structure, easy installation and debugging;
3. Quick opening and closing, with full capability;
4. Beautiful appearance and excellent manufacturing process;
5. Suitable for needs, can be operated left or right;
Environmental conditions for use
1. Altitude not exceeding 1000m;
2. Surrounding air temperature: upper limit of 40 ℃, lower limit of -25 ℃;
3. The seismic intensity shall not exceed 8 degrees;
4. No flammable, explosive dust, chemical corrosion, or severe vibration places.
Main technical data
Project unit data
Rated voltage kV 12 40.5
Rated short-time withstand current kA 31.5, 40 31.5
Rated short-time duration s 4 4
Rated short-circuit closing current kA 80, 100 80
Rated peak withstand current kA 80, 100 80
Inter electrode center distance mm 150, 165, 210, 230, 250, 275 350, 385, 460
Rated insulation level 1-minute power frequency withstand voltage kV 40/49 95
Lightning impulse withstand current kV 75/85 185
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