Navitas 12 Way 125A/250A TPN Type B Board
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The Navitas NTP12 Series is a hybrid three phase distribution board designed for commercial and industrial installations requiring maximum flexibility. Built around a 250A rated busbar platform, the NTP12 Series is supplied without an incomer, allowing contractors to specify the most appropriate solution for each installation. Whether selecting a 125A switch disconnector or upgrading to a 250A MCCB, the same premium enclosure provides a future ready platform engineered around installer choice rather than fixed configurations.
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Overview
The Navitas NTP12 Series has been developed for commercial and industrial electrical installations where flexibility, scalability and long term performance are essential. Unlike conventional distribution boards supplied with a fixed incomer, the NTP12 Series is built around a 250A hybrid busbar platform, allowing installers and panel builders to configure each board around the specific requirements of the project.
Supplied without a factory fitted incomer, the enclosure provides complete freedom to specify either a 125A switch disconnector or a 250A MCCB, creating a future ready solution that can evolve alongside the installation without replacing the distribution board. This approach reduces unnecessary compromise whilst giving contractors greater control over design, specification and future expansion.
Manufactured from premium grade steel, every enclosure features generous internal working space, removable cable entry plates, integrated DIN rails and compatibility with the Navitas extension system to simplify installation and maximise cable management. Every board is individually inspected through our comprehensive 37 point quality control process and backed by a 10 year warranty, delivering the quality, reliability and engineering professionals expect from Navitas.
Manufactured from heavy gauge steel and individually inspected through our comprehensive 37 point quality control process, the NTP8 Series delivers dependable performance, premium engineering and long term reliability, backed by a 10 year warranty.
Technical Specifications
| Specification | Details |
|---|---|
| Product Series | NTP12 Series |
| Outgoing Ways | 12 TPN Ways |
| Total Modules | 36 Total Ways |
| Busbar Rating | 250A Hybrid Busbar |
| Incomer | None Supplied |
| SPD | Available with or without factory fitted Type 2 SPD |
| SPD MCB | 63A (SPD Variant) |
| Rated Voltage | 415V AC |
| Frequency | 50Hz / 60Hz |
| Mounting Type | Surface |
| Integrated DIN Rails | 2 |
| Cable Entry | Top & Bottom Entry Plates |
| Extension Board Compatible | Yes |
| IP Rating | IP30 |
| Lockable | Yes (Penny Lock) |
| Cover Type | Top side steel hinge (gravity led) |
| Material | Steel |
| Finish | Black |
| Dimensions (H × W × D) | 742 × 450 × 161.5mm |
| Weight | 17kg |
| Standards | BS EN 61439-3 & BS EN 7671 |
| Guarantee | 10 Years |
Applications
The NTP12 Series is designed for medium to large commercial and industrial installations where flexibility, future expansion and higher incoming capacities are essential. By supplying the enclosure without a factory fitted incomer, installers can configure the board to suit the specific requirements of each project, whether that means a conventional 125A switch disconnector, a higher capacity 250A incomer or an MCCB solution.
Typical applications include commercial buildings, industrial units, manufacturing facilities, schools, healthcare environments, agricultural installations, distribution systems and larger retail developments. The hybrid 250A busbar also makes the NTP12 Series an excellent choice for installations where additional circuits or increased demand are expected in the future, allowing the distribution board to grow with the installation rather than requiring replacement.
Why Navitas
The Navitas NTP12 Series has been engineered to give installers complete freedom when designing three phase distribution systems. Built around a 250A hybrid busbar platform, every enclosure allows the incomer to be selected to suit the installation, whether that's a 125A switch disconnector or a 250A MCCB, without changing the board itself. Combined with generous cable management, removable cable entry plates, premium steel construction and extension board compatibility, the NTP12 Series delivers a flexible, future ready solution built for modern commercial and industrial projects.
Every Navitas distribution board is individually inspected through our 37 point quality control process before leaving the factory and is backed by a 10 year warranty, providing the quality, reliability and confidence professionals expect from Navitas.






















