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Description du produit
Équipement Industriel /  Équipement d`Énergie /  Autres Équipement d`Énergie / 
Information sur le fabricant
Société :
Ningbo Tianan Group Co.,Ltd
 
Adresse :
NO.1118 Tianan Road, Xiangshan, China
 
Téléphone :
+86-574-65705207

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Technical data item specification unit parameter 1 rated voltage kv 40.5 2 rated frequency hz 50 3 rated current a 630 4 rated short-time withstand current ka/s 20/2 5 rated peak withstand current ka 50 6 lightning impulse withstand to earth kv 185 voltage (peak) between open s kv 215 7 1 min power frequency to earth kv 95 withstand voltage (r.m.s.) between open s kv 115 8 mechanical endurance times 2000 remarks: gw4-40.5/630-20 with no earthing switch. gw4-40.5d/630-20 with earthing switch, it has two types: single earthing switch and double earthing switch.
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