Stamford AVR SX460 | Original
Features include:
- Stability adjustment
- Under frequency roll off adjustment
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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.
Related products
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AVR | Generic Replacements
AVR SX440 | Generic Replacement AS440
INPUT
Voltage: 190 – 264V ac
Frequency: 50-60 Hz nominal. Phase:1 Wire: 2
OUTPUT
Voltage: max 90V dc at 207 V ac input
Current: continuous 4A dc
Intermittent 6A for 10 secs
Resistance: 15 ohms minimum
REGULATION: +/- 1%
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SKU: Sx440G -
Leroy Somer AVR
Leroy Somer AVR R448 | Original
- 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 (1 sec) for ± 20% voltage variation or Rapid (0.3 sec) for ± 20% voltage variation
- Remote voltage adjustment range of: ± 5%
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SKU: R448 -
AVR | Generic Replacements
AVR MX321 | Generic
SENSING INPUT
Voltage: 190 – 264V ac max, 2 or 3 phase
Frequency: 50 – 60 HZ nominal
POWER INPUT (PMG)
Voltage: 170-220V ac max, 3 phase, 3 wire
Current: 3A/phase
Frequency: 100 – 120 Hz nominal
OUTPUT
Voltage: max 120V dc
Current: continuous 3.7 A
Intermittent 6A for 10 secs.
Resistance: 15 ohms minimum
REGULATION: +/- 0.5% RMS with 4% engine governing
Call for Quote for international purchases!
SKU: MX321G -
AVR | Generic Replacements
AVR R448 | 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 (1 sec) for ± 20% voltage variation or Rapid (0.3 sec) for ± 20% voltage variation
- Remote voltage adjustment range of: ± 5%
Call for Quote for international purchases!
SKU: R448G
