Description
Technical Specifications
| Specification | Details |
|---|---|
| Brand | OBO Bettermann |
| Model | V25-B+C1+NPE/280V |
| Article Number | 5094457 |
| EAN | 4012195382850 |
| Product Type | Combination Lightning Current and Surge Arrester |
| Protection Type | Type 1 + Type 2 |
| Configuration | 1-pole + NPE |
| Nominal AC Voltage | 230 V |
| Maximum Continuous AC Voltage | 280 V |
| Lightning Impulse Current (10/350 μs) | 25 kA |
| Voltage Protection Level | 0.9 kV |
| Safety Level L-N | 1.2 kV |
| Mounting Type | 35 mm DIN rail |
| DIN Width | 3 TE |
| Protection Rating | IP20 |
| Status Indication | Optical |
| Remote Signaling | No |
| Maximum Rigid Conductor Cross-Section | 35 mm² |
| Maximum Flexible Conductor Cross-Section | 25 mm² |
| Maximum PV Voltage | 200 V |
| Application | Low-voltage electrical installations |
| Standard / Classification | Type 1 + Type 2 / DIN EN 61643-11 |
Specifications are based on available OBO product documentation and distributor technical data for article 5094457.
Typical Applications
The OBO V25-B+C1+NPE/280V can be used in a variety of low-voltage electrical installations requiring combined lightning and surge protection, including:
- Residential electrical distribution
- Commercial buildings
- Industrial facilities
- Electrical distribution boards
- Main distribution systems
- Building power protection
- Control and automation installations
- Server rooms and technical rooms
- Telecommunications infrastructure power supplies
- Equipment exposed to lightning-induced transients
- Installations requiring Type 1+2 surge protection
Installation and System Integration
The V25-B+C1+NPE/280V is intended to be installed within an appropriate electrical distribution system and connected to the installation’s protective earthing and equipotential bonding arrangement.
For effective surge protection, the device should be installed according to the applicable electrical standards, system configuration, conductor requirements, and OBO installation instructions. Proper grounding and suitably short connection paths are important elements of an effective surge protection system.
Why Choose the OBO V25-B+C1+NPE/280V?
The OBO V25-B+C1+NPE/280V provides a compact solution for combining high-energy lightning current discharge with downstream surge protection. Its Type 1+2 classification, 25 kA lightning impulse current capability, N-PE protection, DIN-rail installation, optical status indication, and compact 3-TE design make it suitable for integration into a wide range of low-voltage power distribution systems.
SEO Product Description
OBO V25-B+C1+NPE/280V is a Type 1+2 combination lightning current and surge arrester designed for low-voltage electrical installations. With a 230 V AC nominal voltage, 280 V maximum continuous operating voltage, 25 kA lightning impulse current capacity, N-PE protection, 0.9 kV voltage protection level, optical status indication, and 35 mm DIN-rail mounting, the OBO V25-B+C1+NPE/280V provides comprehensive protection against lightning-related and transient overvoltages. The compact 3-TE design makes it suitable for residential, commercial, industrial, and electrical distribution applications




