1.high mehcanical and electrical performance 2.light weight 3.easily assembly 4.long life use The main technique parameter of surge arrester:

type	System voltage	Rated voltage	Continuous-running voltage	dc.reference voltage	Discharge residual voltage			2ms rectangular impulse	4/20 high impulse withstand current	Min.power freq.withstand vol.		Impulse withstand voltage	Pressure relief class		Creepage(mm)
					Operationion impulse current	8/20 us linghtin impulse current	Steep impulse current						High current	Low current
										wet	dry
YH5W-3	3.3/3.6	3	2.55	5	7.7	9	9.5			20	24	48			180
YH5W-6	6.6/7.25	6	5.1	8	15.4	18	19			30	35	70			250
YH5W-9	11/12	9	7.65	18	23.1	27	28.5	100	65	50	70	125	16	0.8	390
YH5W-20	22/24.2	20	19.5	35	53.9	63	66.5			60	80	170			550
YH5W-30	33/36	30	24.4	65	76.5	90	95			80	90	48			900
YH10W-3	3.3/3.6	3	2.55	5	7.7	9	9.5			20	24	70			180
YH10W-6	6.6/7.25	6	5.1	8	15.4	18	19			50	35	95	16	0.8	250
YH10W-9	11/12	9	7.65	18	29	30.5	32	100	65	30	70	125			390
YH10W-	22/24	20	17	35	53.9	63	66.5			60	80	170			550
YH10W-30	33/36	30	24.4	65	90	95	99			90	95				900

NOTE:ambient temperature:-50~+50Caltitude : up to 2000mmaximum wind velocity:45mlsearthquake intensity:7 degreeWe can produce this product as per our customer's requirement.

Surge arrester