Product information
Trusted UK supplier of EV products, compliant, reliable, and backed by expert support.
Trusted by Electricians Across the UK
Trusted by Electricians Across the UK
Professional electricians and installers choose EcoHarmony for reliable, compliant EV products. Our customers consistently rely on us for quality, consistency, and technical support.
10+ Years of EV Expertise
10+ Years of EV Expertise
EcoHarmony has been providing UK installers and EV enthusiasts with quality EV products for over a decade. Our experience means you’re buying from a trusted supplier with deep knowledge of EV installation needs.
Certified & Compliant Products
Certified & Compliant Products
All our EV distribution boards, surge protection devices, and controllers are fully CE and UKCA certified. Compliance with UK electrical standards ensures safety for both installers and end-users.
Expert Support & Advice
Expert Support & Advice
Our UK-based team provides guidance and technical advice for installers and DIY customers alike. Whether you have a question about product selection, installation, or compatibility, we’re here to help.
Easy Returns & Secure Checkout
Easy Returns & Secure Checkout
Shop with confidence: all orders are processed through secure payment gateways, and UK customers can enjoy hassle-free returns if needed. We make it simple to get the right product the first time.
Not sure what you need?
Tell us where you're starting from — we'll point you straight to the right products.
I'm a homeowner installing an EV charger
Find out which charger fits your driveway, what PME means for your install, and everything you need ready on your doorstep — explained in plain English.
Find the right chargerI'm an installer or electrician
Trade pricing on WCED boards, PME protection, RCBO, SPD and accessories. Everything spec'd for BS 7671 Section 722 compliance — with volume discounts from 5+ units.
Shop installer suppliesI'm an OEM or developing a charging system
EVSE protocol controllers, three-phase distribution and volume supply. Modular components built for custom integrations, OEM programmes and large-scale deployments.
Explore EVSE controllersFrom our knowledge hub
Technical guides, buying advice, comparisons and tools — helping you specify, install and buy with confidence.
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What Is PME in EV Charging?
TN-C-S supplies affect around 80% of UK homes. Understand what PME means, why it matters for EV installs, and how to achieve full BS 7671 Section 722 compliance.
Read the guide → -
Full 2026 EV Charger Comparison Guide
Every major UK home charger compared at a glance — Simpson & Partners, Zappi, Ohme, Hypervolt, Andersen and more.
Read the guide →
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How EV Charging Actually Works
A step-by-step walkthrough from cable to battery.
Learn more → -
EV Charge Points
Simpson & Partners, EcoLite, SimplEV and FastAmps.
Learn more → -
3-Phase Distribution Boards
TPN boards for multi-charger and commercial sites.
Learn more → -
Product Finder
Answer a few questions, get the right device.
Learn more → -
Championing British EV Charging
Why buying British-built matters, and which charger is right for you.
Learn more →
Shop the products these guides cover
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PME & PEN fault protection
Shop PME Protection Units
PEN fault detection, no earth rod required — IP40 and IP65, single and 3-phase.
Shop the range → -
Surge protection
Shop Type 2 & Type 1+2 SPDs
40kA surge protection devices, in stock with next-day dispatch.
Shop the range → -
RCBOs & RCDs
Shop RCBOs
Type A and Type B protection devices for domestic and commercial circuits.
Shop the range → -
Distribution boards
Shop 3-Phase TPN Boards
Boards with main switch and Type 2 SPD fitted as standard.
Shop the range →
Browse the full hub
Everything above in one place — pick a category to see all of it.
PME & Earthing
What Is PME in EV Charging?
How PME earthing works and what a PEN fault means.
Learn more →Do I Need an Earth Rod?
When a TT earth electrode is the right call instead.
Learn more →Tesla Installs on PME
PME protection specifics for Tesla charger installs.
Learn more →
RCDs & RCBOs
RCBO vs MCB vs RCD
What each device actually protects against.
Learn more →What Is a Type B RCD?
Why some EV chargers need DC-sensitive protection.
Learn more →RCD Trip Sensitivity
30mA vs 100mA vs 300mA, explained.
Learn more →
Surge Protection
Do I Need Surge Protection?
The BS 7671 risk assessment, explained simply.
Learn more →Type 1 vs Type 2 vs Type 1+2
Which surge protection device goes where.
Learn more →How to Install an SPD
Cable lengths, earthing, and common mistakes.
Learn more →
Boards & Heat Pumps
Getting started
How EV Charging Actually Works
A step-by-step walkthrough from cable to battery.
Learn more →Can I Install My Own Charger?
The UK legal position, explained plainly.
Learn more →Cables & Connectors Explained
Tethered cables vs sockets, and what to choose.
Learn more →
Troubleshooting
Why Won’t My EV Charge?
A troubleshooting guide for a charger that won’t start.
Learn more →EV Charger Keeps Tripping?
RCD/RCBO fault guide for repeated trips.
Learn more →Why Is My EV Charging Slowly?
The full list of things that can limit charge speed.
Learn more →
Everyday questions
Simpson & Partners vs
vs Zappi v2
Solar diversion specialist vs all-round platform.
Learn more →vs Ohme Home Pro
Built-in tariff automation vs open protocol.
Learn more →vs Andersen Quartz
Design icon vs the complete feature set.
Learn more →
FastAmps Alpha7 vs
vs Zappi
Budget-smart charger vs the market leader.
Learn more →vs Ohme Home Pro
Two takes on tariff-smart charging compared.
Learn more →vs All Competitors
The full field, side by side in one table.
Learn more →
Start here
EV chargers
EV Charge Points
Simpson & Partners, EcoLite, SimplEV and FastAmps.
Learn more →Freestanding Chargers
Posts and pedestals for driveways without a wall.
Learn more →Upgrade or Replace?
When to upgrade vs when to repair.
Learn more →
Controllers & components
EVSE Controllers (EPCs)
Build-your-own charge point controllers, compared.
Learn more →WCED Product Datasheets
Part codes, dimensions and downloads for installers.
Learn more →WCED Electrical Products
The full WCED protection device range.
Learn more →
Get started
Distribution & components
3-Phase Distribution Boards
TPN boards for multi-charger and commercial sites.
Learn more →Modular Components
RCBOs, MCBs, RCDs and SPDs at trade quantity.
Learn more →
Installations
Commercial EV Charging
Holiday Series and Freestanding, for fleets and sites.
Learn more →Panel Builders
Components to build your own boards and controllers.
Learn more →
Trade
Product Finder
Answer a few questions, get the right device.
Learn more →Charger Protection Finder
What does my specific install need?
Learn more →Cable Size Calculator
Work out the right cable for your charger run.
Learn more →Cost & Time Calculator
Estimate cost and charge time for your car.
Learn more →Solar Savings Calculator
See how much solar diversion could save you.
Learn more →Troubleshooting Wizard
Step through common charging faults.
Learn more →