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
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Stamford AVR
Stamford AVR MX321 | Original
Features include:
- Stability selection & adjustment *Under frequency roll off adjustment
- Dip adjustment *Dwell adjustment
- Droop adjustment *Trim adjustment
- Over excitation adjustment *Over voltage adjustment
- Current limit adjustment *Ramp adjustment
SKU: MX321 -
AVR | Generic Replacements
Mecc Alte AVR SR7-2G (SR-7) | Generic
- Sensing Input: Terminal 1,2 3,4 5,6 Can be connected to Y or 220~480VAC Single Phase 50/60HZ.
- Power Input:50~280VAC (1,2) 50/60HZ.
- Output Voltage: Maximum 90VDC @ 220VAC Harmonic Wave. Output Current: Continuous 6A Maximum 8A for 10 sec.
SKU: SR72G-G -
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Leroy Somer AVR
Leroy Somer AVR R438 | Original
Fuse: F1on X1,X2.10A;slow-250V
- Voltage sensing : 5 VA isolated via trans- former • 0-110 V terminals = 95 to 140 V • 0-220 V terminals = 170 to 260 V • 0-380 V terminals = 340 to 520 V for other voltages, a transformer should be used.
- Voltage regulation ± 0.5%
- Normal or rapid response time via jumper ST2 (see below)
- Voltage adjustment via potentiometer P2 or apply a DC voltage of ± 1 V on the terminals of the external potentiometer
- Current sensing: (parallel operation): input S1, S2 intended for 1 C.T. Š 2.5 VA cl1, secondary 1A (optional)
- Quadrature droop adjustment via potentio- meter P1
SKU: R438
