276kV-324kV Station Class SM Porcelain-Housed Surge Arrester

Nanyang Jinguan Electric supplies 276kV-324kV Station Class SM porcelain-housed surge arresters worldwide, 10kA nominal discharge current, high mechanical strength, exported to over 80 countries.

276kV-324kV Station Class SM Porcelain-Housed Surge Arrester

Nanyang Jinguan Electric Global Supply

Nanyang Jinguan Electric Co., Ltd. specializes in supplying 276kV-324kV Station Class SM porcelain-housed metal oxide surge arresters worldwide. Featuring high-strength porcelain housing with single- or multi-column resistor disc core, nominal discharge current 10kA. Ideal for earthquake-prone and heavy industrial environments.

Key Specifications (Tabular Format)

Rated Voltage (kV)	MCOV (kV)	Insulating Withstand Voltage (kV)	Max Residual Voltage at Lightning Impulse 8/20μs (10kA) (kV)	Height (mm)	Ref. Fig. (mm)	Power Frequency 1min (kV)
276	220.8	395	612	780	875	2600
288	230.4	395	638	812	911	–
300	240	395	665	844	947	–
312	249.6	395	692	876	983	2800
318	254.4	395	707	892	1001	–
324	259.2	395	722	908	1019	–

Other Parameters

Nominal Discharge Current: 10kA High Current Impulse: 100kA (2 times) Repetitive Charge Transfer: 4C Partial Discharge: <10pC Short-Circuit Rating: 63kA Standards: GB/IEC 60099-4/ANSI/IEEE C62.11

Contact Us

Company：Nanyang Jinguan Electric Co., Ltd. Email：[email protected] Tel / WhatsApp：+86-130-3760-0603 Address：Wolong District, Nanyang City, Henan Province, China

Worldwide inquiries, samples and OEM/ODM cooperation are warmly welcomed!

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