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13.5kVA Single Phase Alternator STRO-13K

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The StromerPower 13.5kVA Single Phase Alternator (STRO-13K) is a commercial-grade, single-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 13.5kVA / 13.5kW Prime power and up to 14.9kVA / 14.1kW Standby power output at a stable 50Hz frequency (PF = 1).

  • Advanced Voltage Regulation: Features the industry-standard SX460 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 4 housing flange and SAE 7.5 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.

StromerPower
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.

ABOUT THE ALTERNATOR
GENERAL SPECIFICATIONS

StomerPower 13.5kVA Alternator

The Stromer Power STRO-13K is built to serve as the structural backbone of dependable mobile and stationary power assets. Engineered inside a highly disciplined ISO 9001 quality assurance ecosystem, every alternator is manufactured using strict raw material selection and rigorous production standards. These alternators are deeply trusted across commercial, agricultural, refrigeration, and residential sectors, and are deployed in demanding government and military field installations where grid power is non-existent or deeply compromised. The mechanical frame features a rugged steel base and high-integrity protective shields specifically developed to absorb and withstand the brutal, continuous torsional vibrations generated by high-output diesel generator engines.

stromer-power-branded-black-alternator
stromer-power-alternators-part-03
ALTERNATOR DATA SHEET

At the core of the STRO-13K’s electrical performance is a high-efficiency brushless self-excitation system paired with a premier Class H insulation framework. To ensure the clean delivery of electricity required by modern electronics, the stator incorporates a sophisticated 2/3 pitch winding design. This specific geometric layout acts as an internal filter, suppressing lower-order harmonic waves and controlling voltage waveforms. As a result, the alternator limits Total Harmonic Distortion (THD) to under 5% , even when coping with problematic non-linear loads. This electrical balance minimises heat buildup, prevents insulation degradation, and optimises your motor-starting capacity.

StromerPower 13.5kVA Alternator Technical Specifications

  1. Brushless Self-Excitation & 4-Pole Efficiency: Built on a robust 4-pole, brushless architecture that delivers high efficiency and exceptional motor-starting capacity across industrial loads.

  2. Clean Power Delivery (2/3 Pitch Winding): Implements a premium 2/3 pitch stator winding configuration designed to suppress lower-order harmonics, keeping Total Harmonic Distortion (THD) under 5% to safeguard sensitive electronic equipment.

  3. Precise Automatic Voltage Regulation: Equipped with an integrated SX460 AVR module that maintains a strict voltage regulation tolerance of +/- 1% to handle load fluctuations cleanly.

  4. Standardised Engine Coupling (SAE 4/7.5): Configured with a single-bearing structural layout matching a native SAE 4 adapter housing flange and an SAE 7.5 clutch flex plate alignment for seamless engine integration.

  5. Industrial-Grade Thermal & Environmental Protection: Manufactured within an ISO 9001 quality system featuring high-tier Class H insulation, an IP23 weather-protective enclosure, and dynamically balanced rotors (ISO 1940) to withstand severe engine vibrations.

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PRODUCT SPECIFICATIONS

Weight 460 kg
Dimensions 105.3 × 72.8 × 115.8 cm
Brand

StromerPower
Product Type

Alternator
Alternator Prime Power

13.5kVA
Alternator Standby Power

14.9kVA
Rated Frequency

50Hz
Voltage

230v, 400V
Voltage Regulation

+/- 1%
Voltage Regulation Change (% UN)

+/- 1%
Phase Change Rate (%)

+/- 1%
Power Factor

1
Insulation Class

IM B35
Alternator Type

Brushless
Connection and Pole

4 Pole, Series Star
AVR Model

SX460
Stator

2/3 Pitch
Rotor

Single Bearing
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.

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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