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The WTPN16-125SP is a 16-way 125A three-phase distribution board designed for larger commercial and industrial installations where a high number of outgoing circuits must be managed cleanly and compliantly. Supplied as standard with a 125A 4-pole main switch, an integrated Type 2 Surge Protection Device (SPD), and a 3-pole 32A MCB, it delivers dependable power distribution straight out of the enclosure.
With 16 outgoing ways, this board is well suited to factories, multi-unit commercial premises, plant rooms, and sites running a wide range of three-phase loads. The robust IP40 steel enclosure supports structured cable management and straightforward access for inspection, testing, and future circuit expansion.
Installer Tip: A practical choice where circuit count is starting to grow quickly — ideal for sites separating lighting, power, HVAC, machinery, and auxiliary systems across multiple protected ways.
Key Features
- 125A 4-pole main switch – secure three-phase isolation and control
- Type 2 SPD pre-installed – protection against transient overvoltage events
- 3-pole 32A MCB included as standard – dedicated outgoing protection aligned with 125A TPN specification
- 16 outgoing ways – high-capacity distribution for demanding installations
- IP40 steel enclosure – 1.2mm heavy-duty construction for long-term reliability
- Neutral and earth terminals fitted both sides, fully shrouded for safety
- Accepts 6kA MCBs and RCBOs without modification
- Removable gland plate for clean and adaptable cable entry
- Manufactured in compliance with BS EN 61439-3
Compare 125A 3 Phase Distribution Board Variants
| Model | Ways | Main Device | SPD |
|---|---|---|---|
| WTPN04-125SP | 4 | 125A 4-pole Main Switch | Type 2 SPD |
| WTPN06-125SP | 6 | 125A 4-pole Main Switch | Type 2 SPD |
| WTPN08-125SP | 8 | 125A 4-pole Main Switch | Type 2 SPD |
| WTPN12-125SP | 12 | 125A 4-pole Main Switch | Type 2 SPD |
| WTPN16-125SP (This Product) | 16 | 125A 4-pole Main Switch | Type 2 SPD |
| WTPN24-125SP | 24 | 125A 4-pole Main Switch | Type 2 SPD |
