HomeYour location:HomeHigh voltage electrical appliancesHigh voltage grounding switch → JN3-12 shunt magnetic lock indoor AC high voltage grounding switch
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Product name: JN3-12 shunt magnetic lock indoor AC high voltage grounding switch
specification: JN3-12 shunt magnetic lock indoor AC high voltage grounding switch
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Category: High voltage electrical appliances -- High voltage grounding switch
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Price: factory price
Brand: Shanghai
Place of Origin: China
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Available Quantity: batch
delivery cycle: Spot goods (or inquire by telephone)
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  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-13916500500

Email 91way@163.com
Wechat 13916500500(Wechat)


JN3-12 shunt magnetic lock indoor AC high voltage grounding switchDetailed product description:Column tabs

The JN3-12 series shunt magnetic lock indoor high-voltage grounding switch is suitable for 12kV and AC 50Hz power systems, and can be used in conjunction with various types of high-voltage switchgear. It can also be used as grounding protection during maintenance of high-voltage electrical equipment.  
Product features: 1. Scientific, innovative, unique, and reasonable product design;  
2. Advanced and reliable technical performance;  
3. Adopting the principle of shunt magnetic lock, pressure is automatically generated when powered on to ensure good contact;  
4. No need to touch the pressure spring, low operating force.  
5. It can be used in conjunction with various types of high-voltage switchgear and can also serve as grounding protection for high-voltage electrical equipment maintenance.

Main technical parameters of JN3-12 shunt magnetic lock indoor AC high-voltage grounding switch

Name Unit parameter
rated voltage KV twelve
Rated short-time withstand current KA 16,20,25,31.5
Rated short-time duration S four
Rated peak withstand current KA 40,50,63,80
Center distance between poles mm 210,230,250,275
Rated insulation level Power frequency withstand voltage (1min) KV To ground 42, between poles 75
Lightning impulse withstand voltage (peak value) KV To ground 42, between poles 75

Product model and specifications A B C D B C
JN3-12/20-210 two hundred and ten six hundred and four three hundred and one three hundred and sixty-three Figure 3 Figure 5
JN3-12/20-230 two hundred and thirty six hundred and forty-four three hundred and one three hundred and sixty-three
JN3-12/20-250 two hundred and fifty six hundred and eighty-four three hundred and one three hundred and sixty-three
JN3-12/20-275 two hundred and seventy-five seven hundred and thirty-four three hundred and one three hundred and sixty-three
JN3-12/31.5(25)-210 two hundred and ten six hundred and four three hundred and five three hundred and seventy Figure 4
JN3-12/31.5(25)-230 two hundred and thirty six hundred and forty-four three hundred and eight three hundred and seventy
JN3-12/31.5(25)-250 two hundred and fifty six hundred and eighty-four three hundred and eight three hundred and seventy
JN3-12/31.5(25)-275 two hundred and seventy-five seven hundred and thirty-four three hundred and eight three hundred and seventy


JN3-12 shunt magnetic lock indoor AC high voltage grounding switch, external installation dimensions

JN3-12 shunt magnetic lock indoor AC high voltage grounding switch appearance and installation dimensions

JN3-12 shunt magnetic lock indoor AC high voltage grounding switch

JN3-12 shunt magnetic lock indoor AC high voltage grounding switch
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