VAT:
Electrical4less Logo

WCED WEC440SP Meter Supply Isolator with Surge Protection

SKU: WEC440SP
24 in stock
More available within 1 - 3 working days *

The Meter Supply Isolator with Surge Protection (WEC440SP) is a compact four-module unit combining a 100A Double Pole isolator switch with a 40kA Type 2 SPD. It is designed for easy installation and is ideal for upgrading existing electrical systems by adding surge protection between the meter and consumer unit.

-23%
£ 22 .90 EX VAT
£ 28 .18
£ 27 .48 IN VAT
£ 33 .82
OR
SECURE PAYMENT
We use secure checkout for safe, encrypted payments.

Description

Stand Alone Type 2 SPD Meter Isolator

WCED WEC440SP – 100A Double Pole Main Switch with SPD

The Meter Supply Isolator with Surge Protection (SPD) is a practical solution for protecting electrical systems from voltage spikes while also serving as a reliable main switch. Designed as a two-in-one unit, it combines a 100A twin-pole isolator switch with a 40kA Type 2 surge arrestor, providing enhanced safety and efficiency.

This compact four-module enclosure is perfect for upgrades and can be added between the meter and an existing consumer unit, offering improved circuit management without requiring extensive modifications. The main switch features two screws for extra protection when securing meter tails, ensuring a more secure and reliable connection. With a sealable lid and compatibility with both 16mm and 25mm meter tails, it ensures ease of installation while preventing unauthorised access.

Key Features

  • Two-in-one design – combines a meter isolator and surge protection device in a single unit
  • Ideal for upgrades – fits between the meter and an existing consumer unit for added protection
  • Four-module enclosure – compact and space-saving for easy integration
  • 100A Double Pole isolator switch and a 40kA Type 2 SPD
  • Main switch features two screws for extra protection when securing meter tails
  • Multiple circular knockouts for flexible cable entry
  • Secure design with a two-part lid and sealable screws to prevent tampering
  • Quick installation with minimal wiring adjustments required
  • Compatible with both 16mm and 25mm meter tails

Technical Specifications

  • SKU: WEC440SP
  • Dimensions: 95mm (W) x 145mm (H) x 82mm (D)
  • Main switch rating: 100A twin pole
  • Surge arrestor: 40kA Type 2 SPD
  • Meter tail compatibility: 16mm and 25mm
  • IP rating: IP20 (indoor use)
  • Sealable lid for security

Why Choose the Meter Supply Isolator with Surge Protection?

This unit is a straightforward, cost-effective way to enhance an electrical system. By combining surge protection and power isolation, it allows for a neater and more organised setup while freeing up space in a consumer unit. The two screws on the main switch provide extra security when securing meter tails, ensuring a reliable and safe connection. It is ideal for both new installations and upgrades where additional surge protection is required.

Why Buy from Electrical4Less?

Electrical4Less provides high-quality electrical solutions at competitive prices. Our team of experts is available online, at our Fulham trade counter, or via WhatsApp and email to offer guidance. Bulk order discounts and project pricing are available to ensure the best value for professional installers and electricians.


Looking to upgrade to Type 1&2 SPD? Check this.

If you need the same Type 2 SPD but within a metal enclosure please check the links below






Additional information

Brand

WCED

Discharge Capacity

20kA / 40kA

Earthing System

TN-S, TT

Features

With Enclosure

No of Poles

2P

Product Type

SPD – Surge Protection

Type of SPD

2

Voltage

230V

Downloads

Delivery Information

Cut off time for Dispatch Delivery: Mon-Thu 3 PM *
Cut off time for Saturday Delivery: Friday 3 PM *
All orders placed on Sat/Sun will be dispatched on Monday.

Technical Support

WCED Technical Support 0161 723 1451
© 2026 Electrical4less
We accept Visa We accept Mastercard We accept Maestro We accept PayPal We use Amazon Pay We use Apple Pay We use Google Pay