Surge Protective Device
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GFU1-Ⅰ+Ⅱ AC Surge Protective Device
The GFU1-Ⅰ+Ⅱ AC Surge protective device is designed for AC power systems operating at 50/60Hz with rated voltages of 230V single-phase or 400V three-phase. It complies with IEC 61643-11 standards, meeting both Class I and II surge protection requirements. This device suppresses transient overvoltages below equipment surge withstand limits while dissipating surge energy to protect electrical circuits and equipment. Key features include: L-PE, N-PE, and L-N protection modes compatible with various grid systems; aging and overheat protection with degradation indicators; plug-in design; and optional remote alarm functionality. AC Surge Protection Device (SPD) - Reliable Power Protection Solution。
● Core applications：Lightning protection and surge protection for incoming line cabinets.
● Certification：IEC 61643-11.
● Kind of test：Type1+2/ClassⅠ+Ⅱ
● Number of poles：1:1P，2:2P，3:3P，4:4P，1PN:1P+NPE，3PN:3P+NPE
● Dash current：7:7kA，12:12.5kA
● Maximum continuous operating voltage(N-PE)(Uc)：255V
● Working voltage：150:150V；275:275V；320:320V;385:385V;440:440V
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
● Core applications：Lightning protection and surge protection for incoming line cabinets.
● Certification：IEC 61643-11.
● Kind of test：Type1+2/ClassⅠ+Ⅱ
● Number of poles：1:1P，2:2P，3:3P，4:4P，1PN:1P+NPE，3PN:3P+NPE
● Dash current：7:7kA，12:12.5kA
● Maximum continuous operating voltage(N-PE)(Uc)：255V
● Working voltage：150:150V；275:275V；320:320V;385:385V;440:440V
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
GFU1Z-Ⅰ+Ⅱ DC Surge Protective Device
The GFU1Z-Ⅰ+Ⅱ DC Surge Protective Device (SPD) is a high-performance protection solution designed for direct current (DC) power systems, effectively safeguarding sensitive electrical equipment against transient overvoltages caused by lightning strikes, switching surges, and other electromagnetic interference.
● Certification：IEC 61643-31.
● Kind of test：Type1+2/ClassⅠ+Ⅱ
● Number of poles：2:2P，3:3P
● Maximum continuous operating voltage (Uc)：2P（1000VDC）,3P（1500VDC）
● Nominal discharge current (8/20μs) (In)：20kA
● Maximum discharge current (8/20μs) (Imax)：50kA
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
● Certification：IEC 61643-31.
● Kind of test：Type1+2/ClassⅠ+Ⅱ
● Number of poles：2:2P，3:3P
● Maximum continuous operating voltage (Uc)：2P（1000VDC）,3P（1500VDC）
● Nominal discharge current (8/20μs) (In)：20kA
● Maximum discharge current (8/20μs) (Imax)：50kA
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
GFU1-Ⅱ AC Surge Protective Device
The GFU1-Ⅱ AC Surge Protective Device (SPD) is a high-performance overvoltage protection solution designed to safeguard electrical and electronic equipment from transient surges, lightning strikes, and other power disturbances in AC power systems.
● Core applications：Lightning protection and surge protection for incoming line cabinets.
● Certification：IEC 61643-11.
● Kind of test：Type2/ClassⅡ
● Number of poles：1:1P，2:2P，3:3P，4:4P，1PN:1P+NPE，3PN:3P+NPE
● Dash current：7:7kA，12:12.5kA
● Maximum continuous operating voltage(N-PE)(Uc)：255V
● Working voltage：150:150V；275:275V；320:320V;385:385V;440:440V
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
● Core applications：Lightning protection and surge protection for incoming line cabinets.
● Certification：IEC 61643-11.
● Kind of test：Type2/ClassⅡ
● Number of poles：1:1P，2:2P，3:3P，4:4P，1PN:1P+NPE，3PN:3P+NPE
● Dash current：7:7kA，12:12.5kA
● Maximum continuous operating voltage(N-PE)(Uc)：255V
● Working voltage：150:150V；275:275V；320:320V;385:385V;440:440V
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
GFU1Z-Ⅱ DC Surge Protective Device
The GFU1Z-Ⅱ DC Surge Protective Device (SPD) is a high-performance protection solution designed for direct current (DC) power systems. It provides reliable overvoltage and surge protection against transient voltage spikes caused by lightning strikes, switching operations, or other electrical disturbances.
● Certification：IEC 61643-31.
● Kind of test：Type2/ClassⅡ
● Number of poles：2:2P，3:3P
● Maximum continuous operating voltage (Uc)：2P（1000VDC）,3P（1500VDC）
● Nominal discharge current (8/20μs) (In)：20kA
● Maximum discharge current (8/20μs) (Imax)：40kA
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
● Certification：IEC 61643-31.
● Kind of test：Type2/ClassⅡ
● Number of poles：2:2P，3:3P
● Maximum continuous operating voltage (Uc)：2P（1000VDC）,3P（1500VDC）
● Nominal discharge current (8/20μs) (In)：20kA
● Maximum discharge current (8/20μs) (Imax)：40kA
● Operating Temperature Range： -35 ºC to+70 ºC
● Operating state/fault indication：Green/Red
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Yueqing Good Future Electrical Co.,Ltd.
Phone: +86 138 0686 5401
Tel: +86 577 6161 6165
Email : gf@gf-ele.com
No.136-138,Xinguang Avenue,Xinguang lndustrial Zone,Liushi Town
Yueqing City,Wenzhou City,Zhejiang Province,China
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