34.4kVA Three Phase Alternator STRO-35K

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Bradley: +27 62 743 5089 | bradley@sdecpower.co.za
Ruan: +27 66 511 2009 | ruan@sdecpower.co.za

We offer industry leading 24 month / 1,000 hour warranties on our engines and diesel generators.

The StromerPower 35kVA Three Phase Alternator (STRO-35K) provides reliable power for diesel generator sets, mobile power units and business applications. Built within a strict ISO 9001 quality assurance system, this 4 pole brushless unit delivers high motor starting capacity to keep commercial workshops and farms running smoothly during grid drops.

  • Balanced Output: Provides a reliable 31kVA prime power rating and up to 34.4kVA standby output at 50Hz (0.8 power factor).
  • SX460 AVR Control: Features an industry standard voltage regulator maintaining a tight 1% variance to protect sensitive machinery from spikes.
  • Low Distortion Stator: Utilises a 2/3 pitch winding configuration that limits total harmonic distortion for clean wave profiles.
  • Single Bearing Alignment: Optimised for matching with standard SAE housing flanges and clutch flex plates, encased in a weather protective IP23 frame.

We offer delivery across Sub-Saharan Africa at the best prices.

SUPERIOR QUALITY AND PERFORMANCE

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

GENERAL SPECIFICATIONS

StomerPower 34.4kVA Alternator

The StromerPower STRO-35K is a 35kVA three phase alternator manufactured under a strict ISO 9001 quality assurance system. Operating at a standard 1500rpm, this 4 pole brushless unit is built for diesel generators, commercial and industrial applications. It provides stable electricity to keep your business or farm operational when grid connections fail.

StromerPower 35kVA (STRO-35K) Alternator Key Features

  • 35kVA Three Phase Output: Supplies up to 35kVA standby power and a continuous 31kVA prime rating at a stable 50Hz frequency.
  • ISO 9001 Certified Build: Manufactured under strict quality control standards to guarantee consistent performance and clean wave profiles.
  • Built In AVR: Equipped with an Automatic Voltage Regulator module to lock line voltage within a tight margin and shield gear from spikes.
  • High Purity Copper Windings: Improves mechanical to electrical conversion efficiency to help reduce engine fuel consumption under load.
  • Smooth Balance Profile: Engineered with tight internal tolerances to minimise vibration, mechanical wear and noise.
  • Industrial Frame Protection: Utilises an IP23 weather resistant housing and Class H thermal insulation layers to ensure steady output in hot, dusty or humid workspaces.
  • Spacious Junction Box: Features an oversized, top mounted terminal box that gives technicians immediate access for wiring and easy AVR adjustments.
  • Low Reactance Design: Controls transient voltage fluctuations and suppresses wave distortion across complex commercial networks.

PRODUCT SPECIFICATIONS

Weight 164 kg
Dimensions 66 × 52 × 60 cm
Brand

StromerPower

Product Type

Alternator

Phase

Three Phase

Alternator Prime Power

31kVA

Alternator Standby Power

34.4kVA

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

SX460

Stator

2/3 Pitch

Rotor

Single Bearing

Flywheel Housing (SAE)

#3 / 11.5"

Category:
A partner in power generation

World-Class Manufacturing, Fast Regional Distribution

We source and manufacture high-quality generators, engines, and parts directly from leading global factories, including SDEC. By dealing with us directly, you cut out the middlemen, saving you time and money.

Every engine, alternator, and spare part we supply is built to international standards and fully tested to handle South African conditions. Whether you are a local generator builder looking for loose components or a business needing a complete commercial power setup, we ensure fast delivery, guaranteed stock availability, and dependable performance.

SDEC FACTORY | ROBOTIC ENGINE MANUFACTURING ASSEMBLY LINE

Our Delivery Channels

Sub-Saharan Logistics

We ship SDEC engines, diesel generators, alternators and parts throughout South Africa and across the continent, including Namibia, Botswana, Malawi, Mozambique, Zambia, Zimbabwe, Swaziland, and Lesotho.

Our team handles the entire logistics process, from factory  loading to cross-border transport, ensuring your equipment arrives safely and on time.

We hold a large volume of stock and genuine replacement parts at our warehouses so we can supply clients across Africa quickly and efficiently.

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 you offer installation?

No, we do not offer any installation services, but, any qualified electrician can install our products.

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 along with a valid COC. It is a limited warranty.

Price validity

All pricing is valid while stocks last as reflected on your quotation, as specified therein.Â