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    BY7-BC-25 SPD T1BY7-BC-25 SPD T1
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BY7-BC-25 SPD T1

The BY7-BC-25 series Surge Protection Device (SPD) is engineered with a dependable voltage protection level and robust overload safety features, along with a substantial discharge current capacity. It is specifically designed for effective lightning protection within AC low-voltage distribution systems. Equipped with a high-energy Metal Oxide Varistor (MOV) chip, the BY7-BC-25 series delivers rapid response to electrical surges, ensuring reliable protection. This series of products meets the stringent requirements of the IEC 61643-11:2011 standard, affirming its quality and safety in safeguarding electrical infrastructures.

Specification Description
Model BY7-BC-25
Nominal AC Voltage of the System Uo(V) ~230/400
Max. Continuous Operating Voltage Uc(V) ~320
Nominal Discharge Current In(kA) 25
Max. Discharge Current Imax(kA) 50
Impulse Current limp(kA) 25
Electric Charge Quantity Q(As) 12.5
Specific Energy w/R (kJ/Ω) 156
Voltage Protection Level Up(kV) 2.3
Response Time TA 100 ns
Max. Backup Fuse 315A gL/gG
Wiring 4mm2~35mm2
Protection Grade of the Shell IP20
Material PA66
Flameproof Grade Comply with UL94-V0
Short Circuit Current Rating Isccr 10000 A
Combination Method 1+0, 2+0, 3+0, 4+0
Applicable Power Supply System TN, TT
Installation Method 35mm DIN rail
Ambient Temperature -5°C to +40°C
Ambient Humidity 5% to 95%
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