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Description
Legacy integrated AVR (service only).
Did you know
- The Marelli Motori M16FA655A Automatic Voltage Regulator (AVR) is part of the 'MARK V' series and was issued in September 2010, with a user manual update in September 2011. It is designed for Marelli Motori synchronous generators, specifically the MJB series, ranging from 160-225 frames.
- While often cross-referenced with Stamford (Newage / Cummins Gen Tech) AVRs due to market overlap, the M16FA655A is a Marelli Motori product. Within the Marelli range, it is a key AVR model alongside the M40FA640A. Stamford's own AVR lineup includes models like the SX460, AS440, MX341, MX321, and AS480, which serve different excitation system types and generator sizes.
- The M16FA655A is known for its robust design, being fully insulated to maintain high reliability in severe ambient conditions, including high humidity, dust, salt atmosphere, and significant vibration levels. It is suitable for both single and three-phase generators and includes internal circuits to reduce excitation at low speeds, preventing damage to the generator's excitation system.
| Model | Regulation Accuracy | Supply Voltage (VAC) | Output Current (DC) Continuous | Excitation Source |
|---|---|---|---|---|
| M16FA655A | +/- 0.5% rated steady state conditions | 170-270 (1 phase) | 5 A (max) | Self-excited |
| Stamford MX321 | <+/-0.5% RMS with 4% engine governing | 190-264 (2 or 3 phase) | 3.7 A | PMG (Permanent Magnet Generator) |
| Stamford MX341 | +/- 1.0% (with 4% engine governing) | 190-264 (max, 2 phase) | N/A | PMG (Permanent Magnet Generator) |
| Stamford AS440 | +/- 1.0% (with 4% engine governing) | 100-130 or 190-264 (1 phase) | 4 A | Self-excited |
Competitive Models
^ZVCX DSEA106
Original DSEA106 (pre-MKII, legacy service).
^ZVEF SE500
Higher-capacity analog AVR.
^ZVCU DSE0700 MKII
Pocket-size genset control.
^ZVBH R731
Next-generation digital AVR.
^ZVBB R438
Larger analog AVR with PMG input, common on bigger LSA frames.
Send enquiry
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Code map
^Z V A R │ │ │ └── Model: M16FA655A │ │ └───── Make: Stamford (Newage / Cummins Gen Tech) │ └──────── Equipment: Automatic Voltage Regulator └─────────── System: Automation Spares