SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and
forms part of the excitation system for a brushless alternator, such as Stamford or stamford
technical alternator.
Technical specification
Input
Voltage 190~260VAC
Frequency 50~60Hz
Output
Voltage Max 90VDC at 207VAC input
Current Continuous 4ADC
Intermittent 6A for 10 secs
Resistance 15 ohms minimum

We mainly supply the following AVR:
General AVR Series Replacement:
GAVR-15A GAVR-12A GAVR-8A

Stamford Series AVR Replacement:
SX440 AS440 SX460 MX321 MX341

Leroy somer Series Replacement:
R448 R449 R230 R438

Marathon AVR Replacement: SE350
we supply: fast delivery , good service with high quantity and competitive price. High discounts on volume orders as well.