The WTPN04-125SP is the most compact model in our 125A Three Phase Distribution Board range. 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’s designed for reliable power distribution across smaller commercial, light industrial, or large domestic three-phase installations where space and circuit count are limited.

Housed in a robust 4-way IP40 steel enclosure, the WTPN04-125SP keeps installs tidy and manageable without compromising on compliance or durability. The internal layout supports straightforward wiring and future circuit configuration using our range of MCBs and RCBOs.

Key Features

• 125A 4-pole main switch – full three-phase isolation and secure circuit control
• Type 2 SPD pre-installed – protects connected circuits from transient overvoltage events
• 3-pole 32A MCB included as standard – dedicated outgoing protection aligned with 125A TPN specification
• Compact 4-way steel enclosure – IP40 rated with 1.2mm construction for durability
• Accepts 6kA MCBs and RCBOs without modification
• Neutral and earth terminals fitted both sides, fully shrouded for safety
• Removable gland plate for clean, adaptable cable entry
• Manufactured in compliance with BS EN 61439-3

Compare 125A 3 Phase Distribution Board Variants