392kVA Three Phase Alternator STRO-385K

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The StromerPower 392kVA Three Phase Alternator (STRO-385K) is a commercial-grade, three-phase low-voltage AC alternator engineered within a strict ISO 9001 quality assurance environment to deliver uncompromising reliability. Designed as a premium component for stationary diesel generator sets, mobile power plants, and industrial equipment, this 4-pole brushless alternator features high efficiency, low reactances, and exceptional motor-starting capacity under heavy starting loads.

  • Dual-Rating Performance: Delivers 350kVA Prime power and up to 392kVA Standby power output at a stable 50Hz frequency (PF = 0.8).
  • Advanced Voltage Regulation: Features the premium AS440 AVR model maintaining a tight +/- 1% voltage regulation to shield sensitive equipment from fluctuations.
  • Clean Power Winding: Implements a 2/3 pitch stator winding layout that cleanly suppresses lower-order harmonic distortion, keeping Total Harmonic Distortion (THD) under 5%.
  • Rugged Mechanical Interface: Built with a resilient single-bearing configuration optimised for native SAE housing flange and clutch flex plate alignment setups.
  • Industrial Grade Protection: Outfitted with an IP23 weather-protective enclosure, Class H insulation, robust steel base, and dynamically balanced rotors compliant with ISO 1940 vibration specifications.
SUPERIOR QUALITY AND PERFORMANCE

Our company sets new global standards in quality in all the aspects from design, manufacturing, material selection, production and testing equipment, tooling, and quality control.

GENERAL SPECIFICATIONS

StomerPower 392kVA Alternator

Protect massive processing networks and expand your primary generation plants with the heavy-duty StromerPower 392kVA Three Phase Alternator (Model: STRO-385K). Built specifically to handle the rigid demands of large-scale manufacturing facilities and regional infrastructure links, this high-capacity synchronous component functions as a durable powerhouse for critical standby systems and continuous field activities. Running at a steady 1500rpm operating threshold, its 4-pole excitation path features a low-reactance profile that manages steep inductive current draws comfortably, minimising internal thermal stress during long generation blocks.

Engineered to balance electrical output flawlessly across all three power lines under unequal load states, the STRO-385K maintains an exceptionally steady 350kVA prime capacity. Sourcing this genuine StromerPower industrial unit ensures that heavy workshops, commercial office blocks, regional hospital complexes, and high-torque automated packaging plants remain fully functional through prolonged utility grid dropouts.

High-Tier Automatic Voltage Regulation and Waveform Stabilisation

Featuring balanced airflow cooling paths and strict manufacturing tolerances, this massive model interfaces cleanly with modern engine blocks without causing alignment errors or added mechanical shaft wear. The rigid frame assembly and high-purity copper stator layouts ensure a highly dependable, long-term investment for any enterprise focused on maximising production uptime.

StromerPower 392kVA Alternator Key Features

  • Massive Load Equilibrium: Supplying a sustained 350kVA prime rating, this unit maintains excellent voltage balance across all three phases under uneven commercial building loads.
  • Acoustically Refined Profile: Tight manufacturing tolerances and strict vibration management limit internal operational resonance, aiding quiet canopy deployment.
  • Conversion Efficiency: Built with high-purity copper windings to maximise mechanical-to-electrical conversion, directly lowering engine fuel consumption rates during extended runs.
  • Structural Rigid Shell: The robust steel mounting base frame easily resists physical deformation during tough transport logistics or high-torque starting sequences.
  • Premium Loop Regulation: Factory-fitted with an advanced AS440 Automatic Voltage Regulator (AVR) module to suppress sudden line drops and protect sensitive electronics from voltage sag.
  • Environmental Safety Isolation: Protected by premier H-class thermal insulation layers and an IP23 housing shell to ensure continuous production in hot, humid, or dusty working spaces.
  • Accessible Junction Layout: An oversized, top-mounted terminal enclosure gives technicians clear access for quick input wiring, diagnostics, or adjustment steps.
  • Harmonic Distortion Guard: Backed by StromerPower's proven design background, the low-reactance assembly limits distortion to ensure a smooth, pure sine wave delivery.

PRODUCT SPECIFICATIONS

Weight 901 kg
Dimensions 125 × 77 × 107 cm
Brand

StromerPower

Product Type

Alternator

Phase

Three Phase

Alternator Prime Power

350kVA

Alternator Standby Power

392kVA

Rated Frequency

50Hz

Voltage

400V

Voltage Regulation

+/- 1%

Voltage Regulation Change (% UN)

+/- 1%

Phase Change Rate (%)

+/- 1%

Power Factor

0.8

Insulation Class

H

Alternator Type

IM B35

Connection and Pole

4 Pole, Series Star

AVR Model

AS440

Stator

2/3 Pitch

Rotor

Single Bearing

Flywheel Housing (SAE)

#1 / 14"

Category:
From Leading Global Facilities Straight to Your Project Site

World-Class Manufacturing, Streamlined Distribution

At LiFeTIDE, we bypass intermediate brokers to align your business directly with the world’s most advanced powertrain and electrical component manufacturing facilities. We secure tier-one access to state-of-the-art production lines including the globally acclaimed SDEC and Baudouin facilities.

Every engine, alternator, and component we source is manufactured under stringent international quality controls and rigorously tested for the harsh operational profiles of Sub-Saharan Africa.

From individual component integration for local generator builders to turnkey commercial 3-phase setups, our managed logistics network ensures seamless factory-to-site delivery, guaranteed stock availability, and uncompromised engineering integrity.

Seamless Supply and Delivery Channels

Sub-Saharan Logistics Infrastructure

Managing heavy engineering components and high-capacity standby power systems across African borders requires absolute precision, established freight channels, and ironclad regulatory compliance.

At LiFeTIDE, our logistics framework is built to handle the complex weight of heavy industrial transport. We coordinate the entire lifecycle of your asset from secure international factory container loading and local port clearance to heavy-haul overland distribution.

Whether you are a generator builder in Johannesburg requiring bulk engine shipments or a registered trade dealer anywhere in Southern Africa, we have you covered.

Our cross-border freight routes are fully optimised to navigate customs frameworks, minimise port delays, and guarantee predictable delivery timelines directly to your facility or project site.

FREQUENTLY ASKED QUESTIONS

Does the price include installation?

No, installation is not included in the price. Any qualified electrician can install the kit and provide a Certificate of Compliance (COC) for the installation as per legislation.

Do LiFeTIDE offer installation?

No, LiFeTide do not offer any installation services, but, any qualified electrician can install the Pre-Configured LiFeTIDE Loadshedding Kit.

Does the price include delivery?

Delivery is not included in any of the prices. However, delivery will be calculated in your cart at checkout based on your location and product selection.

Tell me about the Warranty

Our product warranty  is detailed on each product page and as per our standard terms if registered on our warranty form along with a valid COC and images of the installation. It is a limited warranty. The goods need to be returned to us as per our standard Terms and Conditions of Sale.

Price validity

All pricing is valid while stocks last as reflected on this website page for the product listed, as specified herein and subject to change without prior notification. Â