Description
Technical Specifications
| Specification | Details |
|---|---|
| Brand | OBO Bettermann |
| Model | V25-B+C 3+NPE |
| Article Number | 5094463 |
| EAN | 4012195239864 |
| Product Type | Combination Lightning Current and Surge Arrester |
| SPD Type | Type 1 + Type 2 |
| Pole Configuration | 3+N/PE |
| Nominal AC Voltage | 230 V |
| Maximum Continuous Operating Voltage | 280 V AC |
| Maximum Continuous DC Voltage | 200 V |
| Lightning Impulse Current | 7 kA (10/350 μs) |
| Voltage Protection Level | < 0.9 kV |
| Lightning Protection Zone | LPZ 0→2 |
| Technology | Zinc Oxide Varistor |
| Design | Encapsulated, non-blowing |
| Disconnection | Dynamic cut-off device |
| Connection | Pluggable arrester |
| Status Indicator | Optical |
| Protection Rating | IP20 |
| Network Systems | TN-S, TT |
| Operating Temperature | -40 °C to +80 °C |
| Rigid Conductor Cross-Section | 2.5–35 mm² |
| Installation | Standard distribution housing / DIN rail |
| Product Weight | Approx. 51 g per unit* |
*OBO’s datasheet lists the product weight as 51 kg per 100 pieces, equivalent to approximately 510 g per individual unit; the manufacturer source presents the value in kg/100 pcs.
Ideal Applications
The OBO V25-B+C 3+NPE is suitable for a wide range of three-phase electrical installations, including:
- Three-phase electrical distribution boards
- Residential buildings
- Commercial buildings
- Industrial facilities
- Main and sub-distribution systems
- Building electrical infrastructure
- Power distribution cabinets
- Installations supplied by overhead power lines
- Lightning protection equipotential bonding
- Electrical systems requiring Type 1+2 surge protection
- Installations requiring TN-S or TT system compatibility
OBO specifically identifies applications such as buildings supplied by overhead power lines and installations where lightning protection equipotential bonding is required.
Installation and System Integration
The V25-B+C 3+NPE is intended to be integrated into an appropriate low-voltage distribution system and connected according to the applicable electrical installation standards and OBO installation instructions.
Correct conductor sizing, protective bonding, grounding, backup protection, and installation configuration should be selected according to the electrical system and applicable standards.
Why Choose OBO V25-B+C 3+NPE?
The OBO V25-B+C 3+NPE combines Type 1 and Type 2 surge protection with a three-phase + NPE configuration in one compact device. Its 7 kA lightning impulse current capability, <0.9 kV protection level, pluggable construction, optical status indication, encapsulated zinc oxide varistor technology, and TN-S/TT compatibility make it suitable for comprehensive surge protection in three-phase low-voltage distribution systems.
SEO Product Description
OBO V25-B+C 3+NPE is a Type 1+2 combination lightning current and surge arrester designed for three-phase low-voltage electrical installations. With a 3+N/PE configuration, 230 V nominal voltage, 280 V maximum continuous operating voltage, 7 kA lightning impulse current, voltage protection level below 0.9 kV, and IP20 protection rating, the V25-B+C 3+NPE provides reliable protection against lightning-related and transient overvoltages. The device features an encapsulated zinc oxide varistor, dynamic disconnection, pluggable construction, optical function indication, and compatibility with TN-S and TT electrical systems. It is suitable for residential, commercial, and industrial distribution boards and other electrical installations requiring combined Type 1+2 surge protection.
