Northeast-Western Energy Systems USA, LLC is your Authorized Distributor for genuine alternator parts for STAMFORD and AvK in the United States. We have 4 conveniently located Parts warehouses located on both the East and West Coasts.
In addition to new genuine parts, NES-WES can also offer re-conditioned and service exchange items.
Description:
The AvK® COSIMAT C2.1 Voltage Regulator AVR is a 100% authentic voltage regulator from STAMFORD® | AvK®. It is custom designed to control synchronous alternators. Engineered for optimal performance and high levels of accuracy and reliability. The primary benefit of this regulator is it allows 2-ways of impacting the alternator voltage based on alternator frequency.
Description:
The AvK® COSIMAT C2.2 Voltage Regulator AVR is an original voltage regulator from STAMFORD® | AvK® that is custom engineered to control synchronous alternators. Engineered for optimal performance and high levels of accuracy and reliability. The primary benefit of this regulator is it allows 2-ways of impacting the alternator voltage based on alternator frequency. What differentiates the C2.2 from the C2.1 is an added value measuring system that is specifically well equipped for nonlinear alternator loads giving it greater durability and versatility.
Description:
The AvK® COSIMAT N Voltage Regulator AVR (Automatic Voltage Regulator) is the original in the “N” series from STAMFORD® | AvK®. Specifically designed and engineered to regulate generators and alternators.
Description:
The AvK® COSIMAT N+ Voltage Regulator AVRis a state of the art VR unit exclusively from STAMFORD® | AvK®. It is specifically designed to control, in both single and parallel operation, synchronous alternators. Major features of the N+ include: 3-phase measurement up to 500V ac, internal protection devices, fully potted for protection and internal/external set-points.
Description:
The STAMFORD® AS440 Automatic Voltage Regulator (AVR)is a half wave thyristor AVR that utilizes Surface Mount Technology (SMT). It is used on all UC224/UC274 generator heads. This model cannot be used with an Excitation Boost System, while the AS480 is EBS compatible. Also available in UL version for UL2200 rated use.
Power input voltage is 100-264V ac 1 phase and Frequency 50-60 Hz nominal. Power output voltage is 82V dc @ 200V ac.
Identical Automatic Voltage Regulator as:
Olympian VR 10000-17096
FG Wilson VR 10000-17096
STAMFORD® VR E000-24403/1P
Description:
The STAMFORD® AS480 Automatic Voltage Regulator (AVR) is Excitation Boost System (EBS) compatible for short-circuit current maintenance, a feature the AS440 does not support. It is used on all P044 and P144 industrial and marine applications. The AS480 has an over-excitation (AVR EXC) control, which will constantly monitor for excitation voltage exceeding a set threshold to help keep the alternator safe.
Power input voltage is 100-264V ac 1 phase and requency 50-60 Hz nominal. Power output voltage is 82V dc @ 200V ac.
Part Number:
STAMFORD® E000-14808/1P
Description:
The STAMFORD® AS540 Automatic Voltage Regulator (AVR) allows you greater control, with features like: Voltage Control [VOLTS], Stability Control [STAB], Under-Frequency Roll-Off [UFRO] and Over-Excitation Control [EXC].
Power input voltage is 95-265V ac 1 phase and Frequency 50-60 Hz nominal. Power output voltage is 82V dc @ 200V ac input.
Identical Automatic Voltage Regulator as:
Stamford® VR A054P369
Description:
The STAMFORD® | AvK® DM-110 Voltage Regulator is a solid-state digital regulator. Special features in this model include:
1) Overexcitation Shutdown: When field voltage is too high, the unit will shutdown.
2) Generator Overvoltage: When output voltage is too high, the unit will shutdown.
3) Loss of Generator Sensing: This will either shut the unit off or put it in manual mode.
4) Overexcitation Limiting: When overexcitation is sensed, an LED is lit and after a time delay, it will shut the unit off.
5) Underexcitation Limiting: When power is below the underexcitation limit an LED is lit and after a time delay, it will shut the unit off.
Power input voltage is 88-250V ac 1-phase or 3-phase and Frequency 50-400 Hz. Power output voltage is 135V dc (15A dc) @ 200V ac input, 90V dc (10A dc) @ 110V ac input and 75V dc (15A dc) @ 110V ac input.
Part Numbers:
STAMFORD® | AvK® E000-23800 (Basler P/N 9287500138) – LED lights are on the bottom side
E000-23801 (Basler P/N 9287500139) – LED lights are on the top side
Description:
The STAMFORD® MX-321 Voltage Regulator AVR that senses excitation and voltage within automatically or manually set limits. Custom features on this closed loop control include:
1.DC Mixer
2.Stability Circuit
3.Potential Divider and Rectifier
4.Low Hz Detector
5.Over Excitation Detector
Power input voltage is 170-220V ac 3 phase, 3 wire and Frequency Frequency 100-120 Hznominal. Power output voltage is a maximum of 120V dc.
1.Identical Automatic Voltage Regulator as:
2.Cummins Onan VR 305-0823
3.STAMFORD® VR E000-23210
4.STAMFORD® VR E000-23212/1P
5.Mitsubishi VR 44R21811
6.Olympian VR 594-158
7.Olympian VR 594-010
8.FG Wilson VR 594-010
9.FG Wilson VR 594-158
Description:
The STAMFORD® MA330 Voltage Regulator AVR is a state of the art unit from STAMFORD® that features:
1.3-phase Permanent Magnet Generator
2.Pulse Width Modulation
3.Under Frequency Roll Off [UFRO]
4.Over Voltage Protection Adjustment
5.Over Excitation Adjustment
6.Voltage Adjustment [VOLTS]
7.Stability Adjustment [STAB]
8.V/Hz Slope [DIP] Adjustment
Power input voltage is 140-220V ac 3 phase, 3 wire and Frequency 50-400 Hz normal. Power output voltage is 180V dc @ 1800 RPM.
Part Numbers:
STAMFORD® | AvK® E000-13300/1P
Description:
The STAMFORD® MX-341 Voltage Regulator AVR is a 100% original STAMFORD® AVR regulator. It helps to regulate generators through a 2-phase AVR and 3-phase PMG. Key functions on this unit include:
1.Potential Divider & Rectifier
2.DC Mixer
3.Stability Circuit
4.Low Hz Detector
5.Power Control Devices
6.Over Excitation Detector
Droop Adjustment provides a 5% voltage droop at capacity. Stability Adjustment provides a consistent generator performance.
Power input voltage is 140-220V ac 3-phase, 3-wire and Frequency 100-120 Hz nominal. Power output voltage is max 120V dc.
Product Number:
STAMFORD® E00-23412/1P
Description:
The MX342 AVR is a state of the art Voltage Regulator from STAMFORD® (Cummins Generator Technologies). It features:
1.Stability Circuit
2.Over Excitation Detector
3.Power Control Devices
4.Synchronizing Circuit
5.Stator Voltage Sensing
6.Potential Divider and Rectifier
7.Level Detector & Driver
Trim Adjustment allows connection to other devices. Under Frequency Roll Off (UFRO) senses when a generator drops below a certain speed. This device also features: Stability Adjustment, Optimum Response Selection, Droop Adjustment, Over Excitation Adjustment, Limit Adjustment and HZ Cal Adjustment.
Power input voltage is 170-220V ac 3-phase, 3-wire and Frequency 100-120 Hz. Power output voltage is 120V dc.
Product Number:
STAMFORD® AvK® E000-23800 (Basler P/N 9287500138) – LED lights are on the
bottom side
E000-23801 (Basler P/N 9287500139) – LED lights are on the top side
Description:
The STAMFORD® SX-421 Voltage Regulator The STAMFORD® SX421 AVR is a state-of-the-art regulator from STAMFORD® that utilizes a 3-phase system featuring:
1.Sensing Resistors
2.Quadrature Droop Circuit
3.Stability Circuit
4.Power Control Driver
In addition to these features, the SX421 includes the following controls:
1.Voltage Adjustment
2.Stability Selection
3.Stability Adjustment
4.Frequency Selection
5.Under Frequency Roll Off (UFRO) Adjustment
6.Dip Adjustment
7.Droop Adjustment
8.Over Voltage (Over V) Adjustment
Sensing input voltage is 170-250V ac 3-phase, 3-wire and Frequency 50-60 Hz nominal. Output voltage is 90V dc @ 207V ac max.
Product Number:
STAMFORD® E00-23412/1P
This part is now replaced with the STAMFORD® AS440 AVR
Description:
The STAMFORD® SX-440 Voltage Regulator AVR The STAMFORD® SX440 AVR is a phase-controlled, half-wave, solid-state regulator from STAMFORD®, featuring a thyristor type AVR and a brushless generator.
1.Low Hz Detector
2.Stability Circuit
3.Sensing Loss Detector
4.Potential Divider and Rectifier
The featured controls are:
1.Stability Adjustment
2.Under Frequency Roll Off (UFRO) Adjustment
3.Droop Adjustment
4.Trim Adjustment
Sensing input voltage is 190-264V ac 1-phase, 2-wire and Frequency 50-60 Hz nominal. Output voltage is 90V dc @ 207V ac max.
Product Number:
STAMFORD® E000-24030; SX440
Description:
The STAMFORD® SX-460 Voltage Regulator AVR The STAMFORD® SX460 AVR is a half-wave, phase-controlled, solid-state regulator from STAMFORD®, featuring a thyristor type AVR and a brushless generator.
The main functions include:
1.Low Hz Detector
2.Stability Circuit
3.Level Detector and Driver
4.Low Pass Filter
5.Power Control Devices
The featured controls are:
1.Voltage Adjustment
2.Stability Adjustment
3.Under Frequency Roll Off (UFRO) Adjustment
Sensing input voltage is 190-264V ac 1 phase, 2-wire and Frequency 50-60 Hz nominal. Output voltage is 90V dc @ 207V ac max.
Identical Automatic Voltage Regulator as:
Cummins Onan VR 305-0982
Cummins Onan VR 305-0949
STAMFORD® VR E000-24602
STAMFORD® VR E00-26000
FG Wilson VR 59-011
Newage VR 450-13900
Newage VR E000-24600
Olympian VR 594-011
Description:
The 45-0427 STAMFORD® Diode Kit works specifically with the P0/P1 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
Diodes are vital to keeping an alternator running smoothly, allowing the electrical currents to flow through the alternator. Keeping them healthy, clean and up-to-date is equally as important.
This kit is compatible with the P0/P1 STAMFORD® alternator and is 100% authentic STAMFORD® | AVK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0427
Description:
The 45-0428 STAMFORD® Diode Kit works specifically with the UC22/UC27 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
A damaged diode can cause electrical leaks, unwanted noises, battery drain and ultimately an alternator to fail. The best way to prevent this is to make sure your diodes are new and original STAMFORD® parts.
This kit is compatible with the UC22/UC27 STAMFORD® alternator and is 100% authentic STAMFORD® | AVK® parts. Only authentic STAMFORD® | AvK® parts Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0428
Description:
The 450-16016 STAMFORD® Diode Kit works specifically with the HC4/HC5 STAMFORD®. alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
A common cause of alternator failure is damaged diodes. It can cause electrical leaks, unwanted noises and battery drain. You can prevent this from occurring by keeping your diodes new and up-to-date.
This kit is compatible with the HC4/HC5 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
450-16016
Description:
The 450-16025 STAMFORD® Diode Kit works specifically with the HC6/HC7 STAMFORD® alternator.The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
It’s important to maintain an alternator with authentic STAMFORD® | AVK® parts and this kit ensures your alternator will have new, clean parts to keep it running smoothly and effectively.
This kit is compatible with the HC6/HC7 STAMFORD® alternator alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
450-16025
Description:
The RSK2001 STAMFORD® Diode Kit works specifically with the UC22/UC27 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
A damaged diode can cause your alternator to fail for a variety of reasons. Purchasing original STAMFORD® parts is a great way to prevent this from occurring.
This kit is compatible with the UC22/UC27 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
RSK-2001
Description:
The RSK1101 STAMFORD® Diode Kit works specifically with the P0/P1 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
A new diode kit is a great way to keep your alternator running smoothly. Healthy diodes are essential to maintaining the long-term health of your machine.
This kit is compatible with the P0/P1 STAMFORD® and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
RSK-1101
Description:
The 810-1015 STAMFORD® Diode Kit works specifically with the MV7/P80 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
Maintaining new parts is key to maintaining the upkeep and health of your alternator. New diodes are a vital part of your alternator to keeping the electrical currents running at peak efficiency.
This kit is compatible with the MV7/P80 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
810-1015
Description:
The 760-11216 STAMFORD® Diode Kit works specifically with the P7 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
A damaged or old diode can cause overexcitation, which can lead to damage of an alternator. Prevent this from occurring by keeping your diodes new and up-to-date.
This kit is compatible with the P7 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
760-11216
Description:
The RSK5001 STAMFORD® Diode Kit works specifically with the HC4/HC5 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
New diodes are an important part to keeping your alternator running at peak efficiency. Maintaining your machine with certified STAMFORD® | AvK® parts is a crucial part of that process.
This kit is compatible with the HC4/HC5 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
RSK-5001
Description:
The RSK6001 STAMFORD® Diode Kit works specifically with the HC6/HC7/P7/MV7/P80 STAMFORD® alternator. The kit includes:
3 Forward (Positive) Diode Leads – Connected to the Rectifier Plate
3 Reverse (Negative) Diode Leads – Connected to the Rectifier Plate
1 Varistor (Surge Suppressor)
Keeping your diodes up-to-date and new is one way to prevent electrical leaks, unwanted noises and battery drain all of which can cause your alternator to stop running.
This kit is compatible with the HC6/HC7/P7/MV7/P80 STAMFORD® alternator and is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
RSK-6001
Description:
The STAMFORD® 45-0075A Permanent Magnet Generator (PMG) Kit includes:
1 PMG Rotor
1 PMG Stator
1 Cover
1 Black Connecting Wire (450-33800 L1)
1 Yellow Connecting Wire
3 White Wires (450-15954 B)
4 Hex Standoff Male/Female Ends
4 Hex Bolts – small
1 Hex Bolt – large
4 Spring Washers – small
1 Spring Washer – large
1 Pin
To ensure your alternator is running smoothly and working at optimal performance, it needs to have a fully functional Rotor and Stator. This replacement kit helps ensure you can repair/replace these parts.
STAMFORD® 45-0075A PMG Kit parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0075A PMG
Description:
The STAMFORD® 45-0318A Permanent Magnet Generator (PMG) Kit includes:
1 PMG Rotor
1 PMG Stator
1 Cover
1 Black Connecting Wire
4 White Wires
1 Red Wire
4 Hex Bolts – short
4 Hex Bolts – long
8 Spring Washers
4 Washers – small
1 Washer – large
1 Hex Bolt- large
1 Pin
A fully functional Rotor and Stator is vital to a fully functional alternator. This replacement kit helps ensure you can repair/replace these parts.
STAMFORD® 45-0075A PMG Kit is 100% authentic STAMFORD® | AvK® parts. parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0075A PMG
Description:
The STAMFORD® 45-0328A Permanent Magnet Generator (PMG) Kit includes:
1 PMG Rotor
1 PMG Stator
1 Cover
1 Black Connecting Wire
4 White Wires
1 Red Wire
4 Hex Bolts – short
4 Hex Bolts – long
4 Spring Washers – small
4 Spring Washers – medium
1 Spring Washer – large
4 Black Safety End Caps
4 Washers – small
1 Hex Bolt- large
1 Pin
This replacement kit helps ensure you can repair/replace your Rotor and Stator and return it to its optimal performance.
STAMFORD® 45-0328A PMG Kit parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0328A PMG
Description:
The STAMFORD® E000-22062 ELM Excitation Loss Module Kit is a vital piece to help monitor the output of the AVR. STAMFORD® E000-22062 ELM Kit is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
E000-22062 ELM
Description:
The STAMFORD® 45-1210A Permanent Magnet Generator (PMG) Kit includes:
1 PMG Rotor
1 PMG Stator
1 Cover
Wires Connected to Plastic Housing
4 Hex Bolts – Medium + 4 washers + 4 spring washers
3 Hex Bolts – Short + 3 spring washer
1 Hex Bolt – Large + 1 spring washer
2 Pins
1 Hex Bolt – Large + 1 Spring Washer
4 Hex Flange Bolt – Medium
3 Hex Flange Bolt – Medium/Small
3 Hex Bolt – Small + 3 Spring Washers
2 metal plates
1 Vented End Piece
This replacement kit helps ensure you can repair/replace your Rotor and Stator and return it to its optimal performance.
STAMFORD® 45-1210A PMG Kit is 100% authentic STAMFORD® | AvK® parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-1210A PMG
Description:
The STAMFORD® 45-0341A Permanent Magnet Generator (PMG) Kit includes:
1 PMG Rotor
1 PMG Stator
1 Cover
1 Black Connecting Wire
4 White Wires
1 Red Wire
4 Hex Bolts – short
4 Hex Bolts – long
4 Spring Washers – small
4 Spring Washers – medium
1 Spring Washer – large
4 Black Safety End Caps
4 Washers – small
1 Hex Bolt- large
1 Pin
This replacement kit helps ensure you can repair/replace your Rotor and Stator and return it to its optimal performance.
STAMFORD® 45-0341A PMG Kit parts. Only authentic STAMFORD® | AvK® parts extend the manufacturer warranty.
Part Number:
45-0341A PMG
