BY7-15-385

BY7-15-385 SPD T1

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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Product Details

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.

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