Alstom SIR4 70kV/1700mA_ALSTOM_PRODUCT_吉林易择科技技术发展有限公司

Alstom SIR4 70kV/1700mA High-voltage polymer-housed surge arrester for 70kV systems, featuring 170kV max residual voltage and 10kA discharge capacity. Key features: Maintenance-free design IEC/IEEE compliant 20kA pressure relief

Grace +86 13600179521

DESCRIBE

Alstom SIR4 70kV/1700mA Key Parameters:

Type: High-voltage surge arrester (line protection)

Rated Voltage: 70kV (system)

Nominal Discharge Current: 10kA (8/20μs)

Continuous Operating Voltage: 56kV (rms)

Max Residual Voltage: 170kV @ 10kA

Pressure Relief Class: 20kA (short-circuit)

Standards: IEC 60099-4, IEEE C62.11

Application: Overhead lines/substations

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