Replacement AVR Compatible with AS440

Replacement automatic voltage regulator for compatible brushless alternator excitation systems.

Compatible reference

AS440

Application

Provides closed-loop alternator excitation control with under-frequency and over-excitation protection functions.

OEM reference data for model matching

• Sensing input reference: 100–130 V AC or 190–264 V AC, single phase
• Power input reference: 100–264 V AC, single phase
• Frequency reference: 50/60 Hz nominal
• Output reference: 82 V DC at 200 V AC; 4 A continuous; 7.5 A for 10 seconds
• Regulation reference: ±1.0%
• Operating-temperature reference: -40 to +70 °C

Before ordering

• Send clear photos of the component and terminal sides.
• Confirm alternator model and excitation configuration.
• Confirm terminal numbering, jumper positions and mounting holes.
• Confirm whether droop CT and analogue input functions are required.

Important: OEM reference data is provided for identification only. Confirm the actual replacement board specifications and compatibility before purchase.