# Herholdt Controls: OEM Energy Meters Design \& Manufacturing

> Engineering task force for industrial metering\. Custom and white\-label MID\-certified energy meters designed, manufactured and tested in Italy\. OEM partner from concept to serial production\.

Generated by Yoast SEO v27.1.1, this is an llms.txt file, meant for consumption by LLMs.

## Pages
- [Herholdt's Lab Log](https://www.hhcontrols.com/blog/)
- [Herholdt's Lab Log](https://www.hhcontrols.com/blog/)
- [Herholdt's Lab Log](https://www.hhcontrols.com/blog/)
- [Treffen Sie uns auf der The Smarter E Europe 2026](https://www.hhcontrols.com/the-smarter-e-europe-2026/)
- [Incontraci a The Smarter E Europe 2026](https://www.hhcontrols.com/the-smarter-e-europe-2026/)

## Posts
- [Chi produce ancora contatori di energia in Europa?](https://www.hhcontrols.com/blog/who-still-manufactures-energy-meters-in-europe/): Scopri perché il luogo di produzione dei contatori conta per MID, NIS2 e CRA e cosa dovrebbe verificare un OEM prima di scegliere un partner\.
- [Wer produziert noch Energiezähler in Europa?](https://www.hhcontrols.com/blog/who-still-manufactures-energy-meters-in-europe/): Erfahren Sie, warum der Produktionsstandort für MID, NIS2 und CRA relevant ist und was OEMs bei der Wahl eines Messgerätepartners prüfen sollten\.
- [Who still manufactures energy meters in Europe?](https://www.hhcontrols.com/blog/who-still-manufactures-energy-meters-in-europe/): Discover why meter manufacturing location matters for MID, NIS2 and the CRA, and what OEMs should verify before choosing a metering partner\.
- [Da quattro a tre moduli DIN: cosa è stato necessario riprogettare per un contatore MID trifase compatto](https://www.hhcontrols.com/blog/compact-three-phase-mid-meter-3-din-modules/): Da quattro a tre moduli DIN: dimensione, layout cavi, morsetti, ergonomia\. Le scelte tecniche dietro la nuova generazione compatta della linea M3PRO\. 
- [From four to three DIN modules: what had to be redesigned for a compact three\-phase MID meter](https://www.hhcontrols.com/blog/compact-three-phase-mid-meter-3-din-modules/): From four to three DIN modules: dimensions, cable layout, terminals, ergonomics\. The technical choices behind the new compact generation of the M3PRO line\.

## Products
- [M3PRO 80 IP\+ MID](https://www.hhcontrols.com/products/m3pro-80-ip-plus-mid/): M3PRO 80 IP\+ MID: three\-phase 80A energy meter with Modbus TCP/IP and WiFi\. MID certified, 70°C range\. IoT\-ready for smart buildings and industrial monitoring\. Made in Italy\.
- [M3PRO 1\-5 IP\+ MID](https://www.hhcontrols.com/products/m3pro-1-5-ip-plus-mid/): M3PRO 1\-5 IP MID: Contatore Trifase 1\-5A connesso tramite TA, con Modbus TCP/IP e Crittografia TLS\. Certificato MID\. Per EVCS, Storage, HVAC e ICS Made in Italy, OEM ready\.
- [M3PRO 1\-5 IP\+ MID](https://www.hhcontrols.com/products/m3pro-1-5-ip-plus-mid/): M3PRO 1\-5 IP MID: Dreiphasen\-Energiezähler 1–5 A für Stromwandleranschluss mit Modbus TCP/IP und TLS\-Verschlüsselung\. MID\-zertifiziert\. Für EVCS, Speicher, HVAC und ICS\. Made in Italy, OEM ready\.
- [M3PRO 1\-5 IP MID](https://www.hhcontrols.com/products/m3pro-1-5-ip-mid/): M3PRO 1\-5 IP MID: Contatore Trifase 1\-5A connesso tramite TA, con Modbus TCP/IP e Crittografia TLS\. Certificato MID\. Per EVCS, Storage, HVAC e ICS Made in Italy, OEM ready\.
- [M3PRO 1\-5 IP MID](https://www.hhcontrols.com/products/m3pro-1-5-ip-mid/): M3PRO 1\-5 IP MID: Dreiphasen\-Energiezähler 1–5 A für Stromwandleranschluss mit Modbus TCP/IP und TLS\-Verschlüsselung\. MID\-zertifiziert\. Für EVCS, Speicher, HVAC und ICS\. Made in Italy, OEM ready\.

## Categories
- [Uncategorized](https://www.hhcontrols.com/blog/category/uncategorized/)

## Product Categories
- [M3PRO](https://www.hhcontrols.com/products/?product_filter=m3pro)
- [M1PRO](https://www.hhcontrols.com/products/?product_filter=m1pro)
- [Communication](https://www.hhcontrols.com/products/?product_filter=communication)
- [DC Meter](https://www.hhcontrols.com/products/?product_filter=dc-meter)
- [Custom](https://www.hhcontrols.com/products/?product_filter=custom)

## Optional
- [Sitemap index](https://www.hhcontrols.com/sitemap_index.xml)