Stamford AVR Series
Showing all 11 results
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Stamford AVR SeriesStamford AS440 Automatic Voltage Regulator AVR for Generator Alternator ±1% Regulation
The Stamford AS440 Automatic Voltage Regulator provides precise ±1% voltage regulation for generator alternators. Compatible with Stamford BC16/BC18/UC22 series, it features soft start voltage ramping, under-frequency roll-off protection, and sensing voltage loss detection. Jumper-selectable 120/240VAC sensing input with 4A continuous output. Direct OEM replacement, in stock with 12-month warranty. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford AS480 AVR Automatic Voltage Regulator 4A Continuous for Generator Alternator
The Stamford AS480 Automatic Voltage Regulator delivers continuous 4A excitation current with ±1% regulation for mid-size generator alternators. Featuring 120/240VAC selectable sensing input, soft start voltage ramping, and over-excitation protection. Ideal direct replacement for Stamford HC4/HC5 series., bulk pricing available. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford AS540 Digital AVR Automatic Voltage Regulator for Generator Alternator ±0.5%
The Stamford AS540 Digital Automatic Voltage Regulator delivers superior ±0.5% regulation accuracy with microprocessor-based PID control for generator alternators. Features closed-loop feedback, soft start, over-excitation limiting, and 120/240VAC selectable sensing. Compatible with Stamford HC4/HC5/HC6 series., bulk pricing available. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford KRS440B AVR Automatic Voltage Regulator 4A High Current for Generator Alternator
The Stamford KRS440B Automatic Voltage Regulator is a high-current AVR with continuous 4A output (7.5A intermittent for 10s) for large generator alternators. Features wide sensing input range of 100-130VAC or 170-264VAC with max 82VDC output. Direct OEM replacement for Stamford alternator excitation systems. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford MX321 AVR Automatic Voltage Regulator for Generator Alternator ±1% with PMG Support
The Stamford MX321 Automatic Voltage Regulator provides precise ±1% voltage regulation with PMG (Permanent Magnet Generator) excitation support for generator alternators. Features 190-264VAC sensing input, 50/60Hz selectable frequency, and 4A continuous output with 6A intermittent capacity. Direct OEM replacement, in stock with 12-month warranty. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford MX322 AVR PMG-Powered ±1% for Generator Alternator up to 100kVA
The Stamford MX322 is a PMG-powered half-wave thyristor AVR designed for generator alternators up to 100kVA. Features 190-264VAC sensing, 140-220VAC 3-phase PMG input, 2.7A continuous output with 6A intermittent capacity. Direct OEM replacement. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford MX341 AVR Automatic Voltage Regulator PMG 2-Phase for Generator Alternator
The Stamford MX341 is an analogue, 2-phase sensing, PMG-powered Automatic Voltage Regulator providing isolation from non-linear loads. Features 190-264VAC sensing, 140-220VAC 3-phase PMG input, 2.7A continuous output with 6A intermittent capacity. Direct OEM replacement for Stamford alternators. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford MX342 AVR 2-Phase PMG ±1% with Current Limiting & Droop CT
The Stamford MX342 is a 2-phase sensing, PMG-powered analogue AVR with current limiting and droop CT inputs for parallel operation. Delivers 2.7A continuous output (6A intermittent) at 120VDC max. Features ±1% regulation, soft start, and adjustable under-frequency protection. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford MX450 AVR Automatic Voltage Regulator High-Current PMG for Generator Alternator 6A
The Stamford MX450 Automatic Voltage Regulator is a high-current PMG-powered AVR delivering 6A continuous output (10A intermittent) for demanding generator alternator applications. Features 190-264VAC sensing and 140-220VAC 3-phase PMG input. Direct OEM replacement. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford SX440 AVR Automatic Voltage Regulator PMG Type 120VDC for Generator Alternator
The Stamford SX440 Automatic Voltage Regulator is a PMG-powered AVR delivering up to 120VDC output for generator alternators. Features 190-264VAC sensing input, 140-220VAC 3-phase PMG input at 100-120Hz, and 4A continuous output with 6A intermittent capacity. Direct OEM replacement. In stock at ZenixPower with 12-month warranty.
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Stamford AVR SeriesStamford SX460 AVR Automatic Voltage Regulator Self-Excited for Generator Alternator ±1%
The Stamford SX460 Automatic Voltage Regulator is a self-excited AVR providing ±1% voltage regulation for brushless generator alternators. Features jumper-selectable 120/240VAC sensing input, 50/60Hz operation, and 4A continuous output with 6A intermittent capacity. Direct OEM replacement, in stock with 12-month warranty, bulk pricing available. In stock at ZenixPower with 12-month warranty.