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Breaking into the EU Market? Start with OCMF-Compliant Metering
If you're deploying EV charging stations in Europe, you've likely encountered OCMF — a critical compliance standard that can't be ignored. But what exactly is it, and why is it essential for every charging project across the EU?
OCMF isn't just another technical acronym; it's the established open data format that ensures charging sessions are measured accurately, transparently, and in a legally recognized way. In this post, we'll explain what OCMF means for your business and highlight two ready-to-deploy smart meters that are already triple-certified for the European market.

What is OCMF & Why Does It Matter?
OCMF (Open Charge Metering Format) is a standardized data protocol developed by the Open Charge Alliance and SAFE-eV. It was created to solve key challenges in EV charging metering:
- Data Consistency – Provides a uniform “language” for charging data across different hardware and software systems.
- Tamper Evidence – Each metering dataset is cryptographically signed, preventing manipulation and building trust.
- Legal Validity – Designed to comply with strict European regulations such as the EU's Measuring Instruments Directive (MID) and Germany's Eichrecht, enforced by PTB.
In short, OCMF ensures that the energy measured during a charging session can be used for billing and legal purposes across all EU member states.
The Triple Certification: OCMF + MID + PTB
For a meter to be legally recognized in Europe — especially in regulated markets like Germany — it must carry not only OCMF compliance but also MID certification and often PTB approval. This triple mark is what truly unlocks the EU market, reducing time-to-market and compliance risks for operators and OEMs.

Eastron's Ready-to-Go OCMF-Compliant Solutions
At Eastron, we specialize in smart metering solutions that meet international standards. Our two EV charging meters come with full triple certification, so you can deploy with confidence.
SDM630-EV V2 – For AC Charging
Ideal for home, workplace, and public AC charging points.
- Supports European wiring configurations (1p2w, 3p3w, 3p4w)
- Dual RS485 ports with Modbus for reliable communication
- Direct connection up to 100A, no external CTs needed
- OCMF-ready with ECC encryption + MID/PTB certified
DCM6 Series – For DC Fast Charging
Built for high-power DC charging stations.
- Rated up to 1000V DC / 650A
- Delivers high-accuracy measurement even under dynamic loads
- OCMF-signed data output, ready for billing systems
- Compact DIN-rail design, easy to integrate
- Fully certified (MID, PTB, LNE)

Why Choose Eastron Meters for Your EU Deployment?
- Compliance Guaranteed – No need for additional testing or approvals.
- Future-Proof – Meets upcoming AFIR regulation requirements (mandatory from 2027).
- Seamless Integration – Compatible with OCPP backends and existing station designs.
- Trust & Transparency – Helps build user and regulator confidence through verifiable data.
Navigating European EV charging regulations doesn't have to be complicated. With the right metering partner, you can ensure compliance, accelerate deployments, and focus on growing your business.
Eastron's OCMF-compliant smart meters are already trusted across Europe — because they're built for its standards.
Interested in learning more or need support for your next project?
Contact us for datasheets, certification details, or technical consultation.
Let's build a reliable and compliant charging network — together.
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