Welcome: Nanyang Jinguan Electric Co., Ltd.
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Global supplier of 276kV–324kV Station Class SM polymer-housed surge arresters, 10kA nominal discharge current, polymer composite housing, high energy absorption. Compliant with GB/IEC/ANSI, exported to over 80 countries.
We specialize in supplying 276kV–324kV Station Class SM polymer-housed metal oxide surge arresters worldwide. Featuring polymer and composite material housing with multi-column resistor disc core, nominal discharge current 10kA. Specifically designed for UHV and EHV substations with extremely high energy absorption, pollution resistance and seismic performance.
| 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 | 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 Technical Parameters:
Nominal Discharge Current: 10kA
High Current Impulse (4/10μs): 100kA (2 times)
Repetitive Charge Transfer: 4C
Partial Discharge: <10pC
Short-Circuit Current Rating: 63kA
Housing Material: Polymer & composite material
Standards Compliance: GB, IEC 60099-4, ANSI, IEEE C62.11
Polymer housing: lightweight, pollution class IV, explosion-proof, seismic resistant
Extremely high energy absorption for UHV systems
Service life >30 years, maintenance-free
500kV and above UHV substations, converter stations, large wind farm grid connection points
All products are type-tested by KEMA, CEPRI, STL and other international laboratories and fully compliant with the latest GB, IEC, ANSI, IEEE C62.11 standards. Complete test reports and export documentation available.
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, sample requests and OEM/ODM cooperation are warmly welcomed!
Contact: Mr. Ma
Phone: +8613037600603
Tel: +8613037600603
Email: [email protected]
Add: Industrial Zone, Wolong District, Nanyang, Henan, China 473000
