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    BY7-15-385 SPD T1BY7-15-385 SPD T1
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BY7-15-385 SPD T1

The BY7-15-385 series Surge Protection Device (SPD) offers a robust voltage protection level and reliable overload characteristics, paired with a strong discharge current capacity, making it well-suited for lightning protection in AC low-voltage distribution systems. The BY7-15-385 series is equipped with a high-energy Metal Oxide Varistor (MOV) chip that ensures a swift response to surges, coupled with secure protection functionality. This product adheres to the IEC 61643-11:2011 standard, providing confidence in its performance and safety measures for electrical system defense against voltage transients.

Specification Description
Model BY7-15-385
Nominal AC Voltage of the System Uo(V) ~230/400
Max. Continuous Operating Voltage Uc(V) ~385/255 (N-PE)
Nominal Discharge Current In(kA) 50
Max. Discharge Current Imax(kA) 100
Impulse Current limp(kA) 15
Electric Charge Quantity Q(As) 7.5
Specific Energy w/R (kJ/Ω) 117
Voltage Protection Level Up(kV) 2.5
Response Time TA MOV: 25 ns / GDT: 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 10000A
Status Indicator Green: Functional / Red: Failed
Output Contact C-NC: Conduction / C-NO: Open
Combination Method 1+0, 2+0, 3+0, 4+0, 3+1
Applicable Power Supply System TN, TT
Installation Method 35mm DIN rail
Ambient Temperature -5°C to +40°C
Ambient Humidity 5% to 95%
Altitude <2000m
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