FVB12.5B+C/1-XXX Iimp 12.5kA type1+2 lightning surge arrester

FVB12.5B+C/1-XXX
FATECH FVB12.5B+C/1-XXX series are Class I+II Type 1+2 single-pole AC surge protective devices compatible with TT, TN and IT power systems. Featuring Iimp 12.5kA, Imax 80kA, In 40kA and ultra-fast response ≤25ns, they provide integrated lightning and surge protection for L/N-PE circuits. With mechanical fault indication, optional remote contact and DIN-rail mounting, they ensure stable and efficient protection for various low-voltage power equipment.

-Surge protective device with special design for saving installation space—width 18mm/pole.

-High discharge current—Iimp 12.5kA per pole.

-each pole with one indication window, indication window for clear display of SPD status.

-Remote controlling function foryour option.

-Pluggable module— convenient for maintenance.

-Protection mode — L/N-PE.

-1pole.

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Product Brochure
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Advantage

Stable & Reliable Surge Protection

Stable & Reliable Surge Protection

Adopts high-quality core components and precise circuit design, providing stable and consistent performance to effectively suppress lightning surges and transient overvoltage, ensuring long-term safe operation of equipment.
Wide Application Compatibility

Wide Application Compatibility

Covers AC, DC, photovoltaic, PoE network, and signal surge protection solutions, widely used in solar systems, LED lighting, industrial control, security monitoring, buildings and infrastructure.
Durable Structure & Easy Installation

Durable Structure & Easy Installation

Features rugged housing (including aluminum enclosure for outdoor models), DIN‑rail mounting, pluggable design and compact size for easy installation, wiring and maintenance in various working environments.
Certified Quality & Cost-Effective

Certified Quality & Cost-Effective

Most core products have passed TUV, CE and international safety certifications, with strict quality control. Stable performance and reasonable pricing bring high cost-performance for global projects.

FVB12.5B+C/1-150

UN : 110V

Uc : 150V

In : 40kA

Imax : 80kA

Iimp : 12.5kA

Up ≤ 1.0kV

FVB12.5B+C/1-275

UN : 220V

Uc : 275V

In : 40kA

Imax : 80kA

Iimp : 12.5kA

Up ≤ 1.7kV

Coding system of surge suppressor FVB12.5B+C/1-XXX

Dimension and circuit drawing of surge suppressor FVB12.5B+C/1-XXX

Installation of surge suppressor FVB12.5B+C/1-XXX

Electrical parameters

Model. No. FVB25B/4-150(S) FV25B/4-255(S)
Test class IEC/EN/VDE Class I+II/B+C/T1+T2
Type of Network TT,TN,IT
Protection Mode L/N-PE
Nominalvoltage 50(60)Hz UN 110V 220V
Rated Voltage (Max. Cont. Operating Voltage) Uc 150V 275V
Impulse currenr(10/350us)Iimp 12.5kA
Max.discharge current(8/20us)Imax 80kA
Nominal discharge current (8/20us) In 40kA
Voltage protective level Up ≤1.0kV ≤1.7kV
Response time tA ≤25ns
Recommended back-up fuse 160A
Isolation resistance ＞102MΩ
I/O Connections Multi core wire:4mm2~25mm2
Mounting 35mm Symmetrical rail(EN50022/DIN46277-3)
Operation temperature range/humidity /altitude -40°C~+80°C / 30%~90% / 3000m
Degree of protection IP20
Housing material UL94V-0
Disconnectionindicator Mechanical indicator (Red: replace)
Remote controlcontact Optional

Searching For A Reliable SPD & Surge Protector To Secure Your Projects?

MOQ is flexible and can be negotiated. Depending on your system solution, Accept Customization for Small Orders. Design products as your specification. Professional protection and stable performance for global projects. Submit an online message. Reply within 24 hours by email.

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