Our EVSE Controllers
The EVSE Protocol Controller (EPC) products are a range of EVSE controllers for AC EV chargers that enable Mode 3 charging in accordance with IEC 61851. They are the intelligent component of a charge point assembly, which provides communication between an EV and a charge point as well as to back-office and access control devices, depending on the application.
Ecoharmony designs and manufactures these controllers in the UK and supply directly to OEMs globally. They are also available to buy from our store for smaller projects.
| EVSE Controller | EPC 1.0 | EPC 2.0 Lite | EPC 2.0 Plus | EPC 3.0 Smart |
|---|---|---|---|---|
| Part number | E32T35 | EPC20L10 | EPC20P10 | EPC30 |
|
Integrated PSU
|
✔ | ✔ | ✔ | ✔ |
|
External LED support
|
✔ | ✔ | ✔ | ✔ |
|
Supports Tethered cable outlet
|
✔ | ✔ | ✔ | ✔ |
|
Supports Socket outlet
|
✔ | ✔ | ✔ | |
|
Toggle between 16A and 32A
|
✔ | ✔ | ✔ | |
|
Supports solenoid or motor lock mechanism
|
n/a | ✔ | ✔ | ✔ |
|
Configurable current (hardware)
|
✔ | ✔ | ✔ | |
|
Configurable current (software)
|
✔ | |||
|
Support for RCM
|
✔ | ✔ | ✔ | |
|
PEN Loss detection
|
✔ | ✔ | ||
|
MODBUS over RS485
|
✔ | ✔ | ||
|
Supply Optimisation
|
✔ | ✔ | ||
|
Load Management
|
✔ | |||
|
RFID access control support
|
✔ | |||
|
WiFi
|
✔ | |||
|
OCPP 1.6j
|
✔ | |||
|
Microgeneration support
|
✔ | |||
|
Overtemperature
|
✔ |
EPC 1.0
The EPC 1.0 was the first generation of 35mm wide DIN rail mounted EVSE controllers brought to market around 2015. Many of these earlier variants have been discontinued and superseded by later generations, but a Tethered only variant exists to provide a low-cost solution for up to 22kW AC tethered cable charge points that do not require smart functionality or connectivity options found in the later generations.
EPC 2.0
The EPC 2.0 builds on the success of the 1st generation EVSE Controller and introduces connectivity options and additional configurable features in the same 35mm wide DIN rail module. These include support for a Residual Current Monitor (RCM), PEN Loss detection, supply optimisation and MODBUS over RS485 which help manufacturers and installers cost-effectively meet regulations.
Additional Electrical Safety Features
- RCM Support to detect DC leakage currents of >6mA, which allows the use of a RCD Type A instead of RCD Type B in the charging system
- PEN Loss Detection system will disconnect all live conductors and PE conductor in the event of a failure/loss of the PEN conductor in the distribution network
EPC 3.0 Smart
The EPC 3.0 Smart is our most advanced EVSE controller and your gateway to effortless smart EV charging.
It features all the protection mechanisms of EPC 2.0 whilst adding OCPP 1.6j in an industry leading compact form. EPC 3.0 Smart offers smart charging functionality including load management, user access control and back-office integrations for remote scheduling and energy monitoring.
The load management capabilities, which can be configured both locally and remotely, protect against overcurrent and optimise the power distribution in a multi-charge point system.
The EPC 3.0 Smart EVSE controller is the ideal technology solution for creating a smart EV charge point, whether for domestic or commercial applications.
- Local & remote load management capabilities
- RFID access control support (local and remote configuration)
- OCPP 1.6j
- WiFi - 802.11 b/g/n
- Modbus over RS485
- OTA (over the air) updates
- Overtemperature control (adjustable)
Bespoke OEM Integrations and solutions
Where needed, we've collaborated with OEM partners to develop custom firmware and specialized functionalities precisely aligned with their application requirements—ensuring cost-effectiveness without compromising project scalability. Our expertise, skills and close-working relationship with our suppliers enables the agility needed to make bespoke OEM integrations a reality.