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Oxide Zinc High Voltage Surge Arrester

SMICO Polymer Surge Arrestors are manufactured to offer optimum protection to distribution equipment such as transformers and similar assets against the damaging lightning effects and similar operational conditions. These arrestors perform their task with high-end improvement and fidelity towards surge switching and medium voltage networks. Maintenance of service safety for both underground and overheard setups is offered without any trouble on exposure in the outdoors for long durations. Going through precision tests have made SMICO arrestors more durable & reliable.

Model:
YH-5W-9
Brand:
SMICO

Availability:



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Product Description

Surge Arrester Series

General

1. Ratings:0.22~500KV (porcelain),0.22~220KV(composite)

2. Application:for protection of power transmission & distribution system from over-voltage.

3. Features:

1）Silicone polymer housing composite metal oxide surge arrester and porcelain housing metal Oxide surge arresters are available.

2）Easy installation and maintenance.

3）Good sealing capability to ensure reliable operation.

4）Protection and reliability of the surge arrester have been greatly enhanced.

Working Condition

1. Ambient air temperature:-40℃ ~+40℃ ;

2. Altitude：<=2000m;

3. Frequency: 48Hz~62Hz;

4. Power frequency voltage applied between terminals of surge arrester must not exceed continuous operating voltage of surge arrerter;

5. Earthquake intensity is less than 8 degree;

6. Max. Wind speed is 35m/s.

Main Techical Parameter

1. Metal oxide Polymer Housing (Gapless) type Surge Arrester for A.C System(5kA series)

Model	Rated voltage (kVr.m.s)	Continuous operating Voltage(KVr.m.s）	Lightening impulse residual voltage under nominal discharge current (<=KVp)	Line discharge class	Creepage distance(mm)	2ms square wave impulse current withstands(A)	4/10μhigh current impulse Withstands(KAp)
YH-5W-6	6	5.1	18		320	150	65
YH-5W-9	9	7.65	27		430	150	65
YH-5W-12	12	10.2	36		430	150	65
YH-5W-15	15	12.75	45		530	150	65
YH-5W-18	18	15.3	54		530	150	65
YH-5W-21	21	16.8	63		640	150	65
YH-5W-24	24	19.2	72		640	150	65
YH-5W-27	27	21.6	81		740	150	65
YH-5W-30	30	24	90		890	150	65
YH-5W-33	33	26.4	99		890	150	65
YH-5W-36	36	28.8	108		1115	150	65