Overview
The EA15A-2 is a KUTAI high-current 15A automatic voltage regulator for large brushless generators requiring maximum excitation capacity.
Key Features
- 15A Continuous Output — High-current for large excitation fields
- 120/240VAC Jumper Selectable — Dual voltage sensing
- Soft Start Voltage Ramping — Smooth generator startup
- Sensing Voltage Loss Protection — Automatic shutdown
- Under-Frequency Roll-Off — With LED indicator
- ±1% Regulation — Reliable voltage stability
- Heavy-Duty Design — Built for 100kW+ generators
- Direct EA15A Upgrade — Enhanced current capacity
Technical Specifications
| Parameter | Value |
|---|---|
| Sensing Input | 220/380/440VAC, 1-phase 2-wire |
| Output Voltage | Max 90VDC |
| Output Current | Continuous 15A |
| Regulation Accuracy | <±1% |
| Frequency | 50/60 Hz |
| Excitation Type | Half-wave thyristor |
| Soft Start | Yes |
| UF Protection | Yes, with LED indicator |
| Sensing Loss Protection | Yes |
Compatibility
Compatible with large KUTAI-equipped brushless alternators and other OEM generators with matching terminal layout.
Why Choose ZenixPower
- KUTAI Genuine — 15A for largest generator applications
Specification Comparison
Compatible Generators 100kW+ medium-to-large brushless generators requiring high excitation current.
Competitors EA16A (parallel-capable version).
| Parameter | EA15A | EA15A-2 | EA16A |
| Output Current | 15A | 15A | 16A |
| Voltage Range | 170-510VAC | 170-510VAC | Standard |
| Parallel Operation | No | No | Yes |
| Regulation | ±0.5% | ±0.5% | ±0.5% |
| Price | $40-60 | $50-70 | $70-100 |
Selection Advice
The EA15A is KUTAI’s high-current workhorse — its ultra-wide 170-510VAC voltage range covers virtually all global voltage systems from 110V to 480V. The EA15A-2 is the enhanced version with optimized internal circuitry. If parallel operation is needed, the EA16A is required.
