VEH24153 SX440 AVR
The VEH24153 SX440 Automatic Voltage Regulator (AVR) is a high-performance electronic control module engineered to deliver precise and reliable voltage regulation for brushless synchronous generators. Designed in accordance with industry-leading standards, this AVR ensures optimal generator performance across a wide range of operating conditions, making it an essential component for both industrial and commercial power systems.
Built for compatibility with Stamford-type alternators and equivalent models, the SX440 AVR provides stable output by continuously monitoring and adjusting excitation current. Its advanced control circuitry maintains voltage accuracy within tight tolerances, even under fluctuating load demands, ensuring consistent power quality and system reliability.
Key Features
- Precision Voltage Regulation – Maintains output stability within ±1% under varying load conditions
- Robust Performance – Designed for continuous operation in demanding environments
- Under-Frequency Protection – Prevents system instability during low-speed conditions
- Remote Voltage Adjustment Capability – Enables flexible on-site or panel-mounted control
- Parallel Operation Support – Integrated droop characteristics for load sharing applications
- Compact & Durable Design – Engineered for long service life and easy installation
Technical Overview
- Input Voltage: 190–264 VAC
- Frequency Range: 50/60 Hz
- Output Voltage: Up to 90 VDC
- Continuous Current: 4A (6A intermittent)
- Voltage Regulation Accuracy: ±1%
Applications
The VEH24153 SX440 AVR is ideally suited for:
- Diesel generator sets
- Standby and prime power systems
- Industrial and commercial power generation
- Marine and mobile generator installations
Reliability You Can Trust
Manufactured with high-grade components and stringent quality control, the SX440 AVR ensures dependable operation and extended service life. Its proven design minimizes downtime, enhances generator efficiency, and safeguards critical equipment against voltage fluctuations.












