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GHT低压开关柜是全部国产化、经济型、通过型式试验的低压成套开关设备和控制设备。它适用于3150A以下各级电网。
技术标准GB7251《低压成套开关设备和控制设备》等标准。
GHT low voltage switchgear is all made in China, and the economy, through type test, low voltage switchgear and control equipment .It applies to all levels of power grid 3150A.
Technical standards in accordance with Gb7251《low-voltage switchgear and control equipment》and other standards.
额定工作电压 Rated operating voltage | 400/690V |
额定绝缘电压 Rated insulation voltage | 800V |
额定冲击耐受电压 Rated impulse withstand voltage | 8KV |
工频耐压(1min) Frequency withstand voltage | 3KV |
水平母线额定电流 Horizontal busbar rated current | 3200A |
垂直母线额定电流 Vertical busbar rated current | 1250A |
水平母线和垂直母线额定短时耐受电流 Rated short time withstand current for horizontal & vertical bus | 30、50、80KA |
水平母线和垂直母线额定峰值耐受电流 Rated peak withstand current for horizontal & vertical bus | 63、105、176KA |
外壳防护等级 Out shell degree of protection | IP30,IP40 |