The AS440 ( + Kit replaces SX440 ; SA465) is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator.
Stamford AVR
Stamford AVR AS440 | Original
Features include:
- Stability adjustment
- Optimum response selection
- Under frequency roll off adjustment
- Droop adjustment
- Trim adjustment
$730.00
Related products
-
AVR | Generic Replacements
Leroy Somer AVR R449 | Generic Replacement R448
The regulator includes:
- A main terminal strip (10 terminals)
- A secondary terminal block (5 terminals)
- A frequency selection terminal block (3 terminals) – A quadrature droop potentiometer
- A voltage potentiometer
- A stability potentiometer
- A maximum excitation potentiometer
- A sensing selection jumper ST1 (single/3-phase with an external module)
- A response time jumper ST2 – A frequency selection jumper ST3 – An external voltage setting jumper ST4 – A LAM (load adjustment module) jumper ST5
- From R449 Version E number 10,000, this jumper will be removable.
- A selecti
SKU: R449G -
Leroy Somer AVR
Leroy Somer R250 | Original
- Power Input: AC 80-140V (50 / 60Hz)
- Maximum output: DC 90V / 6A / 10S
- Detection voltage input: AC 115V
- Voltage regulation rate: ≤ ± 1% External voltage trimming 1K / 2W potentiometer ± 10%
- Voltage regulation +/- 0.5% at steady state and constant speed
SKU: R250 -
