Stamford AVR AS440 | Original
Features include:
- Stability adjustment
- Optimum response selection
- Under frequency roll off adjustment
- Droop adjustment
- Trim adjustment
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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.
Related products
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AVR | Generic Replacements
AVR R438 | Generic
- Voltage regulation ±0.5%
- Short circuit capability: 3 x Irated for 10 seconds ( AREP or PMG excitation)
- Voltage sensing: 95 to 140 volts (50/60 Hz) or 170 to 260 volts (50/60 Hz) or 340 to 520 volts (50/60 Hz)
- Response time: Normal (1sec) for _+20% voltage variation or rapid (0.3 sec) for ∼+20% voltage variation.
- Remote voltage adjustment range of: _+5% *1000 Series alternators do not have PMG option.
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SKU: R438G -
Leroy Somer AVR
Leroy Somer AVR R449 | Original
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
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SKU: R449 -
AVR | Generic Replacements
AVR SX460 | Generic
Sensing Input
Voltage: 95 – 132 VAC or 190 – 264 VAC
1 phase, jumper selectable. Frequency 50/60 Hz, selectable
Output
Voltage: Max. 90 VDC @ 207 VAC
Current: Continuous 4A
Intermittent 10A for sec
Resistance: Min. 15 ohm
Voltage Regulation:< ± 1.5 % ( with 4% engine governing)
Voltage Build-Up: Residual voltage at AVR terminal > 5 VAC
Thermal Drift: 0.05% peer C change in AVR ambient.
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SKU: SX460G -
Uncategorized, AVR | Generic Replacements
AVR-5KW | 450V 470uF
- Gasoline and Diesel Generator driven by 173F 177F 182F 188F 190F engine
- FITS FOR – 4KW to 7.5KW rated power generator driven by gasoline engine from 9HP,11HP,13HP,14HP,and also work with diesel generators.
- CAPACITOR – 450V 470uF
- 5.5 inches / 140mm hole to hole on center, Totally 6 wires, 4 wires in one connector and 2 single wires
- Very stable. You may need to adjust the little brass screw clockwise to meet your desired voltage output.
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SKU: AVR-5KW
