SIR4_ALSTOM_PRODUCT_吉林易择科技技术发展有限公司

SIR4 - High-Voltage Surge Arrester Polymer-housed arrester for substation/transmission line protection against lightning/overvoltage. Core features: 10kA discharge capacity (IEC/IEEE compliant) Silicone housing for harsh environments -40°C to +40°C operation

Grace +86 13600179521

DESCRIBE

SIR4 Key Parameters (Surge Arrester):

Rated Voltage: 3.3kV–150kV (system dependent)

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

Residual Voltage: ≤1.7x rated voltage @ 10kA

Continuous Operating Voltage: 0.8x rated voltage

Pressure Relief: 20kA (short-circuit withstand)

Housing: Silicone polymer (anti-pollution)

Standards: IEC 60099-4 / IEEE C62.11

Temp Range: -40°C to +40°C

SERVICE HOTLINE Grace +86 13600179521

Mail jilineasyyi@outlook.com ADDRESS Unit 12, 20th Floor, Good View Commercial Centre, 2-16 Garden Street, Mong Kok, Hong Kong

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