Mecc Alte DER1 Automatic Voltage Regulator
Upgrade your synchronous generator with the Mecc Alte DER1 Automatic Voltage Regulator (Ref. A7998). Featuring single/three-phase sensing, adjustable voltage ranges (75-300V), and robust thermal management, this premium AVR ensures precise 50Hz power regulation and unmatched reliability.
Mecc Alte DER1 Automatic Voltage Regulator
The Mecc Alte DER1 (Ref. A7998) is a highly reliable and advanced automatic voltage regulator (AVR) engineered specifically for synchronous generators. Designed for maximum flexibility and precision, it features adjustable potentiometers for fine-tuning Voltage (VOLT), Stability (STAB), Frequency (HZ), and Current (AMP). The DER1 supports versatile integration with both single-phase and three-phase voltage sensing configurations, making it adaptable to a wide range of power generation setups. It includes configurable jumper settings for voltage selection (75-150V and 150-300V) and is optimized for 50Hz operation. Equipped with dedicated terminal blocks for excitation (EXC), auxiliary/PMG power input, and sensing connections, this AVR ensures seamless installation. Built-in aluminum heatsinks provide exceptional thermal management, ensuring durability and consistent performance in demanding industrial environments.
Technical Specifications:
- Brand: Mecc Alte
- Model: DER1 (Ref. A7998)
- Compatibility: Synchronous Generators
- Sensing Input: Configurable Single-Phase and Three-Phase
- Voltage Range (Jumper Selectable): 75-150V / 150-300V
- Frequency: 50 Hz (AP10)
- Adjustable Parameters: Voltage (VOLT), Stability (STAB), Frequency (HZ), Current (AMP)
- Connections: EXC, AUX/PMG, U V W, O1 O2 O3, J1 EXTPOT J2 (Terminals 1-32)
- Cooling: Integrated aluminum heatsinks for thermal management

| Brand | Mecc Alte |
|---|---|
| Model | DER1 |
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