VSF7403A

VSF7403A VOLTAGE REGULATOR, 28V (ALTERNATOR)

PN: VSF7403A


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DESCRIPTION | FEATURES | SPECIFICATIONS | DOCUMENTS | VIDEO | ASK A QUESTION

DESCRIPTION

The **VSF7403A Voltage Regulator** is a **solid-state 28 V alternator voltage regulator** designed to maintain stable bus voltage output in 28 V DC aircraft electrical systems by controlling alternator field current. It is assembled from high-quality electronic components and calibrated for dependable performance in aviation applications. Electrodelta units of this type are widely recognised for reliability and precise regulation. --- ## Applications - Regulates alternator output in 28 V aircraft electrical systems - Maintains stable charge voltage for batteries and avionics - Suitable for general aviation alternator control applications - Replacement for legacy Prestolite and other OEM regulators --- ## Why CJ Aerospace? CJ Aerospace supplies trusted aviation electrical components. We offer fast local delivery, expert technical support, and industry-proven products that keep operations moving. - 🇦🇺 **Australian-owned & operated** - 📦 **Stocked locally in Australia for fast dispatch** - 🔍 **Specialist knowledge of aircraft electrical systems** - 🧰 **Used by leading MROs & maintenance professionals** > ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need installation guidance or technical documentation? Contact CJ Aerospace for expert support.

FEATURES

- **Solid-state regulation** for precise 28 V alternator output control - Designed for general aviation electrical systems - Replaces legacy regulators (e.g., Prestolite VSF7403 series) - Robust construction with calibrated performance - Compatible with a range of certified aircraft electrical systems

SPECIFICATIONS

Package Dimensions

Length9.5 cm
Height3.9 cm
Width7.6 cm
Weight281 g

Details

| **Specification** | **Detail** | |-----------------------------|-------------------------------------------------| | **Product Number** | VSF7403A | | **Function** | 28 V alternator voltage regulator | | **Voltage Rating** | 28 V DC | | **Typical Output Regulation**| Alternator field current control for stable bus voltage | | **Weight** | ~0.35 kg (0.78 lb) | | **Dimensions (L × W × H)** | 17.1×10.2×5.7 cm (6.75×4.00×2.25 in) | | **Typical Use** | 28 V aircraft alternator voltage regulation | | **Compatible Aircraft** | Cessna 207, Cessna 320, Cessna T310, U206 Series | | **Manufacturer** | Electrodelta (by Lamar Technologies LLC) |

BROCHURES & DOCUMENTATIONS

List of Brochures

List of Documentation

LAMAR TECHNOLOGIES TECHNICAL DATA SHEET - VSF7403A

VIDEO

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