Product Details

Specifications

surge arrester:
lightweight, unbreakable, hydrophobic, resistant ozone UV radiations, resistant earthquake shocks.

Polymer housed Metal oxide surge arrestes without gaps

Application: For protecting rated voltage up to 220kV power transmission & distribution system from over-voltage.

Ratings: Up to 220kV.

Standards: IEC 60099-4

Features: Reliability and excellent protection based on years of experience and expertise in surge protection. Good anti-moisture capability, resistant to pollution. GIS metal oxide surge arrester, composite metal oxide surge arrester and porcelain metal oxide surge arresters are available. Long life and lightweight. Easy installation and maintenance. Good sealing capability to ensure reliable operation. High energy absorption ability.

Technical Specification:

Type	Rated voltage of arrester KV	Nominal voltage of system (virtual value)KV	Continuous operating voltage (virtual value)KV	Reference voltage not less than D.C (U1mA)KV	Max residual voltage(peak)			2000μs rectangular impulse current (peak value) A	4/10μs impulse current (peak value) KA	The max leakage current of 0.75DC refference voltageμA
Type	Rated voltage of arrester KV	Nominal voltage of system (virtual value)KV	Continuous operating voltage (virtual value)KV	Reference voltage not less than D.C (U1mA)KV	Steep current impulse KV	Lightning impulse current KV	Switching current impulse KV	2000μs rectangular impulse current (peak value) A	4/10μs impulse current (peak value) KA	The max leakage current of 0.75DC refference voltageμA
YH5WZ-42/143	42	35	23	73	154	134	114	150	65	50
YH5WZ-51/134	51	35	40.8	73	154	134	114
YH5WZ-52.7/134	52.7	35	40.8	73	154	134	114
YH5WZ-54/134	54	35	41	73	154	134	114
YH5WZ-75/134	75	66	60	123	248	215	183	400	65	50
YH5WZ-90/224	90	66	72.5	130	258	224	190	400	65	50
YH10W-75/250	75	66	60	127	288	250	213	600	100	50
YH10W-75/223	75	66	60	127	256	223	190
YH10W-75/230	90	66	60	127	265	230	196
YH10W-90/224	90	66	72.5	130	258	224	190
YH10W-90/232	90	66	72.5	130	266	232	198
YH10W-90/235	90	66	72.5	130	270	235	201

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