Welcome: Nanyang Jinguan Electric Co., Ltd.
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Global supplier of 420kV–468kV Station Class SH 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 420kV–468kV Station Class SH polymer-housed metal oxide surge arresters worldwide. Featuring polymer and composite material housing with multi-column resistor disc core, nominal discharge current 10kA. Specifically engineered for 750kV and above UHV substations with ultra-high energy absorption, excellent seismic and pollution resistance.
| 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) |
|---|---|---|---|---|---|---|
| 420 | 336 | 576 | 936 | 1092 | 1225 | 3600 |
| 444 | 355.2 | 576 | 985 | 1156 | 1297 | – |
| 456 | 364.8 | 576 | 1014 | 1188 | 1333 | – |
| 468 | 374.4 | 576 | 1044 | 1220 | 1369 | – |
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
UHV-dedicated polymer housing: lightweight, pollution class IV, explosion-proof, seismic resistant
Ultra-high energy absorption designed for 750kV+ systems
Service life >30 years, completely maintenance-free
750kV and 1000kV UHV substations, converter stations, ultra-large wind/solar 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
