Sincro FK4 LC-Steel series Alternators 4poles/1-phase, Brushless/Capacitor

Sincro FK4 Steel Series – 4-Pole Single-Phase Alternators

Brushless – Capacitor | 1500–1800 RPM | IP23 | Heavy-Duty Steel Series

The Sincro FK4 Steel Series alternator is built for demanding environments requiring reliable, quiet, and stable power generation. Featuring brushless capacitor excitation and a reinforced steel frame, this 4-pole alternator offers exceptional durability, voltage stability, and long-term performance.

Key Features

• 4 Poles: Operates at 1500 rpm (50Hz) or 1800 rpm (60Hz)

• Self-Regulated Output: Stable voltage through capacitor excitation

• Brushless Design: Low maintenance and longer operational life

• IP23 Protection: For use in ventilated, semi-sheltered areas

• Short Circuit Current: Greater than 3 × nominal current

• Heavy-Duty Construction: Steel casing for industrial durability

• Coupling Options: IM B34, IM B35, Cone, SAE

• Wide Control Panel Compatibility: Easy integration in custom setups

Applications

• Stationary industrial generator sets

• Rural electrification and utility backup

• Agricultural equipment power supply

• Workshops and commercial systems requiring stable output

• Generator OEM builds with high reliability demands

Technical Overview

Model: FK 4 LC

• Power @ 50Hz: 10.0 kVA — Efficiency: 83%

• Power @ 60Hz: 12.0 kVA — Efficiency: 84%

• Weight: 80 kg

Standard Voltage: 230 V – 50 Hz
Excitation: Brushless – Capacitor
Protection Class: IP23
Short-Circuit Current: > 3 In
Couplings: IM B34, IM B35, Cone, SAE