Description
DEIF DU-2MKIII
This is a multi-functional generator protection and parallel unit display module launched by DEIF (Danish Energy Controls), designed specifically for generator sets, power distribution systems, and industrial automation scenarios. It integrates measurement, protection, control, and human-machine interaction, enabling real-time monitoring and safety management of generator operating status.

Main Functions and Features
| Function | Description |
|---|---|
| Generator Protection | Over‑voltage, under‑voltage, over‑current, under‑frequency, over‑frequency, reverse power, loss‑of‑step and other fault protections. |
| Paralleling / Grid‑Connection Control | Supports multi‑unit paralleling, grid‑switching, and power distribution, suitable for coordinated operation of several generators. |
| Measurement & Monitoring | Real‑time measurement of voltage, current, frequency, power, energy, etc., delivering high‑precision data. |
| Communication Interfaces | Multiple industrial protocols such as Modbus RTU, CAN bus, Ethernet, RS‑485, facilitating integration with PLCs, DCS, SCADA systems. |
| Human‑Machine Interface | 4‑line 20‑character LCD (or high‑resolution colour LCD) display, supporting multiple languages (including Chinese). |
| Modular Design | Can operate as a standalone control unit or be combined with other DEIF modules (e.g., AGC‑4 MKII, power regulators). |
| Environmental Robustness | Operating temperature –40 °C ~ +70 °C, protection rating IP54 ~ IP65, suitable for harsh industrial environments. |
| Power Supply | 24 V DC (accepts 12 V/24 V dual voltage), low power consumption, equipped with an internal DC‑DC converter. |
| Dimensions & Weight | Approximately 120 mm × 80 mm × 40 mm (or 225 mm × 185 mm × 80 mm), weight about 2 ~ 2.5 kg. |
| Certifications | CE, UL, cUL certifications, complying with international safety standards. |
| Warranty & Service | Standard 12‑month warranty, with global technical support and spare‑parts supply. |
Typical Application Scenarios
- Power Plants & Power Stations – Provides paralleling, grid‑connection, and fault protection for main generator units.
- Ships & Offshore Platforms – Ensures reliable operation of marine diesel generators.
- Industrial Production Lines – Offers monitoring and protection for standby power systems in sectors such as metallurgy, petrochemical, paper, and textiles.
- Remote or Off‑Grid Microgrids – Enables multi‑unit coordination, power balancing, and remote monitoring.
Technical Specifications (excerpt)
- Input Voltage: 24 V DC (optional 12 V)
- Output Current: 10 A (max 30 V DC / 1 A relay output)
- Communication: Modbus RTU, CAN, Ethernet, RS‑485
- Display: 4 × 20‑character LCD or high‑resolution colour LCD, multilingual support
- Operating Temperature: –40 °C ~ +70 °C
- Protection Rating: IP54 ~ IP65
- Dimensions: ~120 mm × 80 mm × 40 mm (or 225 mm × 185 mm × 80 mm)
- Weight: ~2 ~ 2.5 kg
Sales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
☀️Tara(Sales Director)
📞Tel: + 86-13806028623
📮Whatsapp:+86-13806028623
💬Email: ydf8801@163.com
🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex
🥇Product Condition: One-year warranty

Company Overview
Main Products
We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:
- FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
- ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
- HONEYWELL | RELIANCE | SCHNEIDER | MODICON
- Westinghouse | WOODWARD | Motorola | Rexroth | SEW
Quick delivery of spot goods and quality assurance – your trusted purchasing partner!
🔥 Spot inventory, same day shipment
All products are in sufficient stock reserve. After you place an order, we will arrange shipment on the same day to minimize waiting time and help your project progress quickly.
💳 Flexible payment, easy transaction
Support multiple payment methods, including mainstream settlement methods such as T/T, which are safe and convenient, meet the needs of different customers, and make cross-border transactions more worry free.
🛡️ One year warranty, worry free after-sales service
We offer a one-year warranty service for all products! If there are any quality issues, we will provide you with professional after-sales support as soon as possible and provide full protection throughout the process.
🚚 Global express delivery, secure delivery
We have deep cooperation with well-known domestic and foreign logistics companies such as SF Express, DHL, FEDEX, etc., to ensure that every shipment can be safely, timely, and efficiently delivered, allowing you to receive your goods without worry.
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Choosing us means choosing speed, quality, and trust!
Contact us immediately to embark on a new experience of efficient procurement! 📦✨


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