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Alternator PRO35M E/4

Linz Electric PRO35M E/4 Alternator – 600 kVA Three-Phase Brushless Synchronous Alternator

The PRO35M E/4 alternator from Linz Electric is a high-performance three-phase, 4-pole brushless synchronous alternator engineered for professional generator systems. Delivering 600 kVA at 50 Hz and 720 kVA at 60 Hz, it ensures stable voltage regulation, low harmonic distortion, and reliable long-term operation. With Class H insulation, IP23 protection, and AVR-controlled excitation, it is ideal for industrial, commercial, and continuous power applications.

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Alternator Model

PRO35M E/4

50Hz (kVA)

600

60Hz (kVA)

720
Control Systemself-excited
A.V.R.HVR30
Voltage Regulation± 1 %
Sustained Short Circuit> 300 % of rated current
Rated Power Factor0,8

General Characteristics

  • Three-phase synchronous alternator

  • 4-pole, brushless, self-excited

  • Electronic AVR voltage regulation

  • Rated speed: 1500 rpm (50 Hz) / 1800 rpm (60 Hz)

  • Cooling system: Self-ventilated

  • Protection degree: IP23

  • Insulation class: H

  • Standards: EN 60034-1, IEC 60034-1, ISO 8528-3

Electrical Specifications

  • Rated Power at 50 Hz: 600 kVA

  • Rated Power at 60 Hz: 720 kVA

  • Rated voltage: 400/230 V (50 Hz) / 480/277 V (60 Hz)

  • Rated current: 433.0 A

  • Power factor: 0.8

  • Frequency: 50 / 60 Hz

  • Phase: Three-phase

  • Efficiency:

    • 93.6% at 50 Hz

    • 94.6% at 60 Hz

  • Transient reactance X’’d: 0.056 p.u.

  • Harmonic distortion (THD): < 5%

  • Winding pitch: 2/3

Excitation & Voltage Regulation

  • Brushless excitation with auxiliary winding

  • AVR positioned inside terminal box

  • 12-lead reconnectable stator winding

  • Stable voltage under rapid load variations

Mechanical Specifications

  • Frame size: 35

  • Dimensions:

    • Length (L): 1148 mm

    • Height (H): 806 mm

    • Width (W): 660 mm

  • Shaft diameter: 65 mm

  • Total weight: 580 kg

  • Cooling: Shaft-mounted fan

  • Coupling: Suitable for single-bearing generator systems

Operational Performance

  • Quick and stable voltage recovery during load steps

  • High electrical efficiency supports lower fuel consumption

  • Suitable for continuous-duty and standby operation

  • Handles resistive, inductive, and nonlinear loads efficiently

Applications

  • Industrial generator sets

  • Heavy commercial power systems

  • Rental & construction gensets

  • Backup and emergency power for infrastructure and utilities

Datasheet

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