Porcelain housed metal oxide surge arresters

Main technical parameters of porcelain housed metal oxide surge arresters for 6～500kV systems

Production type	System nominal voltage	MOA rated voltage	Continuous operating voltage	Reference voltage at D.C. 1mA	Steep current impulse residual voltage	Lightning impulse residual voltage	Switching impulse residual voltage	Long duration current impulse withstand	High current impulse withstand	Weight
Production type	kV(r.m.s.)	kV(r.m.s.)	kV(r.m.s.)	kV	kV(peak)			A	kA	kg
Y5WS-7.6/30	6	7.6	4	15	34.5	30	25.5	100	100	4.4
Y5WS-10/30	6	10	8	15	34.6	30	25.5	100	100	4.4
Y5WS-13/36	10	13	7	19	57.5	36	30.6	100	100	5.0
Y5WS-17/50	10	17	13.6	25	57.5	50	42.5	100	100	5.6
Y5WS-10/30FT	6	10	8	15	34.6	30	25.6	100	100	5.4
Y5WS-13/36FT	10	13	7	19	57.5	36	30.6	100	100	6.0
Y5WS-17/50FT	10	17	13.6	25	57.5	50	42.5	100	100	6.6
Y5WZ-10/27	6	10	8	14.4	31	27	23	200	100	8.2
Y5WZ-13/36	10	13	7	19	41.4	36	30.6	200	100	8.8
Y5WZ-17/45	10	17	13.6	24	51.8	45	38.3	200	100	9.4
Y5WZ-10/27FT	6	10	8	14.4	31	27	23	200	100	8.6
Y5WZ-13/36FT	10	13	7	19	41.4	36	30.6	200	100	9.2
Y5WZ-17/45FT	10	17	13.6	24	51.8	45	38.3	200	100	9.8
Y5WZ-51/125	35	51	40.8	73	144	125	108	400	100	62
Y5WZ-51/134		51	40.8	73	154	134	114	400	100	62
Y5WZ-54/134		54	43.2	78	154	134	114	400	100	63
Y5WZ-84/221	66	84	67.2	121	254	221	188	500	100	106
Y5WZ-90/235	66	90	72.5	130	270	235	201	500	100	107
Y10WZ-96/250	110	96	75	140	280	250	213	600	150	176
Y10WZ-100/248		100	78	145	278	248	211	600	150	177
Y10WZ-100/260		100	78	145	291	260	221	600	150	177
Y10WZ-102/266		102	79.6	148	297	266	226	600	150	178
Y10WZ-108/268		108	84	157	300	268	229	800	150	179
Y10WZ-108/281		108	84	157	315	281	239	800	150	179
Y10WZ-192/500	220	192	150	280	560	500	426	800	200	322
Y10WZ-200/496		200	156	290	556	496	422	800	200	323
Y10WZ-200/520		200	156	290	582	520	442	800	200	323
Y10WZ-204/532		204	159	296	594	532	452	800	200	324
Y10WZ-216/536		216	168.5	314	600	536	457	800	200	325
Y10WZ-216/562		216	168.5	14	630	562	478	800	200	325
Y20WZ-420/1005	500	420	335	586	1106	1005	846	2500	500	2000
Y20WZ-444/063	500	444	355	620	1170	1063	895	2500	500	2005
Y20WZ-468/1120	500	468	375	653	1233	1120	943	2500	500	2010