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AVR SX460 | Original
Features include:
- Stability adjustment
- Under frequency roll off adjustment
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$25.09
The SX460 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. This model supercedes the Series 6 range.
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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
MX321 | Generic Replacement for Cummins MX321 Automatic Voltage Regulator
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
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SKU: MX321G -
AVR | Generic Replacements
AVR R449 | Generic
- Automatic Voltage Regulator | Exact Generic Replacement for R449
- Steady state voltage regulation ± 0.5%
- Short circuit capability: 3 x Irated for 10 seconds (AREP or PMG excitation)
- Voltage sensing: 0-110v Terminals = 95 to 140 volts (50/60 Hz) or 0-220v Terminals = 170 to 260 volts (50/60 Hz) or 0-380v Terminals = 340 to 520 volts (50/60 Hz)
- Response time: Normal (1 sec) for ± 20% voltage variation or Rapid (0.3 sec) for ± 20% voltage variation. Remote voltage adjustment range: ± 5%
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SKU: R449G
