3 Phase Surge protection in Metal Enclosure
The WME3P40SP is a fully pre-assembled 3 phase surge protection unit housed in a robust metal enclosure - ideal for protecting commercial and industrial installations against transient overvoltages. Built to meet 18th Edition Amendment 2 requirements, this unit features a 4 pole Type 2 SPD and is suitable for use...
The WME3P40SP is a fully pre-assembled 3 phase surge protection unit housed in a robust metal enclosure - ideal for protecting commercial and industrial installations against transient overvoltages. Built to meet 18th Edition Amendment 2 requirements, this unit features a 4 pole Type 2 SPD and is suitable for use with EV chargers, machinery, and 3-phase distribution boards.
Each unit is built to order with a 3-working day turnaround and comes ready to mount and wire on site. Designed for ease of install and long-term reliability in demanding environments.
- Includes 4 Pole Type 2 SPD – suitable for TN-C-S, TN-S, and TT systems
- Metal IP-rated enclosure for durability and compliance
- Pre-assembled and tested – ready to install
- Ideal for EV charger mains protection, warehouse boards, and panel installs
- Built to order – ships in 3 working days
What type of SPD is included?
The unit includes a 4 pole Type 2 surge protection device, rated for 40kA discharge. Suitable for 3-phase TN-C-S, TN-S, and TT systems.
Is this unit suitable for EV installs?
Yes - it’s commonly used to protect incoming EV charger supplies, especially in commercial or three-phase residential setups.
Does it come wired and assembled?
Yes - the SPD is mounted and pre-wired inside the enclosure. Final connections must be made on site by a qualified electrician.
Can this unit be used indoors?
Yes - the metal enclosure is IP-rated and designed for indoor panelboard use, utility cupboards, or sheltered outdoor cabinets.
What’s the lead time?
All units are built to order and shipped within 3 working days of purchase.
- SKU: WME3P40SP
- System Type: 3 Phase (L1, L2, L3, N, E)
- SPD Type: Type 2, 4 Pole
- Nominal Discharge Current (In): 20kA per mode
- Maximum Discharge Current (Imax): 40kA
- Enclosure Material: Metal-clad, surface mount
- Mounting: Pre-drilled for wall installation
- Dimensions: Approx. 240mm x 160mm x 112mm
- Conformity: BS EN 61643-11, IEC 61643-11
This surge protection unit is pre-built for fast, compliant install. Final wiring must be completed by a qualified electrician, ensuring all earth connections are short and direct.
- Mount enclosure securely to wall or control panel framework
- Connect L1, L2, L3, N, and earth as marked
- Keep earth leads as short as possible to minimise impedance
- Confirm system voltage and SPD compatibility before energising
