Welcome: Nanyang Jinguan Electric Co., Ltd.
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Global supplier of 30kV–51kV Station Class SL polymer-housed surge arresters, 10kA nominal discharge current, polymer composite housing, high energy absorption. Compliant with GB/IEC/ANSI, exported to over 80 countries in SE Asia, Middle East, South America, Europe & Africa.
We specialize in supplying Station Class SL polymer-housed metal oxide surge arresters worldwide. Featuring polymer and composite material housing with single- or multi-column resistor disc core, nominal discharge current 10kA. Ideal for station protection in AC power grids, offering excellent pollution resistance, lightweight compactness, and aging resistance for safe and stable high-voltage grid operation.
| Rated Voltage (kV) | MCOV (kV) | Insulating Withstand Voltage (kV) | Max Residual Voltage (kV) | Height (mm) | ||
|---|---|---|---|---|---|---|
| Power Frequency 1min | Lightning Impulse | Lightning Impulse 8/20μs at 10kA | Steep Current Impulse 1/20μs at 10kA | |||
| 30 | 24 | 107 | 225 | 85 | 95 | 674 |
| 33 | 26.4 | 107 | 225 | 94 | 104 | - |
| 36 | 28.8 | 107 | 225 | 102 | 114 | - |
| 39 | 31.2 | 107 | 225 | 110 | 124 | - |
| 42 | 33.6 | 107 | 225 | 119 | 133 | - |
| 48 | 38.4 | 107 | 225 | 136 | 152 | - |
| 51 | 40.8 | 107 | 225 | 145 | 162 | - |
Other Technical Parameters:
Nominal Discharge Current: 10kA
High Current Impulse (4/10μs): 100kA (2 times)
Repetitive Charge Transfer: 1.2C
Partial Discharge: <5pC
Short-Circuit Current Rating: 20kA
Housing Material: Polymer & composite material
Standards Compliance: GB, IEC 60099-4, ANSI, IEEE C62.11
Polymer Housing Design: Enhanced durability, lightweight and compact for harsh environments.
In-House Resistor Production: Precision core modules ensure high reliability and service life >30 years.
High Energy Absorption: Excellent insulation, fast response to lightning and switching overvoltages.
Suitable for AC grids up to 1000kV and DC grids up to 1100kV station protection.
Primarily for substation high-voltage lines, switchgear, wind farms, and urban distribution grids.
All products are type-tested by internationally recognized laboratories (KEMA, CEPRI, STL, etc.) and fully compliant with the latest GB, IEC, ANSI, IEEE C62.11 standards. Complete test reports and export documentation available. Successfully exported to Thailand, Vietnam, Philippines, Indonesia, Malaysia, India, South Africa, Saudi Arabia, Peru, Brazil, Argentina, and more in SE Asia, Middle East, South America, Europe & Africa.
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
