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AVR | Generic Replacements
Stamford AVR MX321 | Generic
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: MX321G
AVR | Generic Replacements
Stamford AVR AS480 | Generic
SENSING and POWER INPUT
Voltage: 100-264 Vac 1 phase
Frequency: 50-60 Hz Nominal
OUTPUT
Voltage: 82 Vdc @ 200 Vac power input
Voltage: 45 Vdc @ 110 Vac power input
Current: Continuous 5A
REGULATION
+/- 1.0%
THERMAL DRIFT
0.03% per deg. Change in AVR ambient
SKU: AS480G
AVR | Generic Replacements
Leroy Somer R250 | Generic
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: R250G
AVR | Generic Replacements
Leroy Somer AVR R438 | Generic
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: R438G
AVR | Generic Replacements
Leroy Somer 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%
SKU: R448G
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
AVR | Generic Replacements
Caterpillar AVR VR6 | Generic
Power: Shunt Excited
Input: 180-280 Vac, 50/60 Hz, 1 OR 3 phase
PMG Excited 63-105 Vac 100/240 Hz 3 phase
Sensing input: 180-240 Vac, 50/60 Hz 1 OR 3 phase
CT input: 1 or 5 Aac 50/60 Hz
ACC input: +/- 3 Vdc. Output 65 Vdc @ 12 Adc
Unit Type: Potted – Rugged
Weight: 1.5 kgSize: 9.4 in x 7.1 in x 3.5 in
4 mounting holes
1 Year Warranty
SKU: VR6G
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AVR | Generic Replacements
Stamford AVR MX321 | Generic
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: MX321G
AVR | Generic Replacements
Stamford AVR AS480 | Generic
SENSING and POWER INPUT
Voltage: 100-264 Vac 1 phase
Frequency: 50-60 Hz Nominal
OUTPUT
Voltage: 82 Vdc @ 200 Vac power input
Voltage: 45 Vdc @ 110 Vac power input
Current: Continuous 5A
REGULATION
+/- 1.0%
THERMAL DRIFT
0.03% per deg. Change in AVR ambient
SKU: AS480G
AVR | Generic Replacements
Leroy Somer R250 | Generic
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: R250G
AVR | Generic Replacements
Leroy Somer AVR R438 | Generic
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: R438G
AVR | Generic Replacements
Leroy Somer 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%
SKU: R448G
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
AVR | Generic Replacements
Caterpillar AVR VR6 | Generic
Power: Shunt Excited
Input: 180-280 Vac, 50/60 Hz, 1 OR 3 phase
PMG Excited 63-105 Vac 100/240 Hz 3 phase
Sensing input: 180-240 Vac, 50/60 Hz 1 OR 3 phase
CT input: 1 or 5 Aac 50/60 Hz
ACC input: +/- 3 Vdc. Output 65 Vdc @ 12 Adc
Unit Type: Potted – Rugged
Weight: 1.5 kgSize: 9.4 in x 7.1 in x 3.5 in
4 mounting holes
1 Year Warranty
SKU: VR6G
AVR | Generic Replacements
Marathon SE350 | Generic
Output Power – Continuous 73 Vdc at 3.5 Adc (255w) – 1 year warranty
Frequency Compensation Adjustable
EMI Suppression Internal electromagnetic interference filter (EMI Filter).
Roll Off Frequency 54-61 Hz for 60 Hz Operation 45-51 Hz for 50 Hz Operation
Storage Temperature -65°C to +85°C
SKU: SE350G
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AVR | Generic Replacements
Stamford AVR MX321 | Generic
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: MX321G
AVR | Generic Replacements
Stamford AVR AS480 | Generic
SENSING and POWER INPUT
Voltage: 100-264 Vac 1 phase
Frequency: 50-60 Hz Nominal
OUTPUT
Voltage: 82 Vdc @ 200 Vac power input
Voltage: 45 Vdc @ 110 Vac power input
Current: Continuous 5A
REGULATION
+/- 1.0%
THERMAL DRIFT
0.03% per deg. Change in AVR ambient
SKU: AS480G
AVR | Generic Replacements
Leroy Somer R250 | Generic
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: R250G
AVR | Generic Replacements
Leroy Somer AVR R438 | Generic
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: R438G
AVR | Generic Replacements
Leroy Somer 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%
SKU: R448G
AVR | Generic Replacements
Leroy Somer AVR R450 | Generic
The R450 AVR is supplied in a casing designed to be mounted on a panel with dampers.
Operating temperature: – 30°C to + 65° C. – Storage temperature: – 55°C to + 85°C.
Shocks on the base: 9 g depending on the 3 axes.
Vibrations: less than 10 Hz, 2 mm half-peak amplitude 10 Hz to 100 Hz: 100 mm/s, above 100 Hz: 8 g.
SKU: R450G
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
AVR | Generic Replacements
Caterpillar AVR VR6 | Generic
Power: Shunt Excited
Input: 180-280 Vac, 50/60 Hz, 1 OR 3 phase
PMG Excited 63-105 Vac 100/240 Hz 3 phase
Sensing input: 180-240 Vac, 50/60 Hz 1 OR 3 phase
CT input: 1 or 5 Aac 50/60 Hz
ACC input: +/- 3 Vdc. Output 65 Vdc @ 12 Adc
Unit Type: Potted – Rugged
Weight: 1.5 kgSize: 9.4 in x 7.1 in x 3.5 in
4 mounting holes
1 Year Warranty
SKU: VR6G
Leroy Somer AVR
Leroy Somer AVR R450 | Original
The R450 AVR is supplied in a casing designed to be mounted on a panel with dampers.
Operating temperature: – 30°C to + 65° C. – Storage temperature: – 55°C to + 85°C.
Shocks on the base: 9 g depending on the 3 axes.
Vibrations: less than 10 Hz, 2 mm half-peak amplitude 10 Hz to 100 Hz: 100 mm/s, above 100 Hz: 8 g.
SKU: R450
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
SKU: R449
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%
SKU: R448
