Sincro IB4 alternators for industrial gen-sets 4-poles/ 3-phase (1500-1800 rpm)

Sincro IB4 | 4-Pole Alternators 3-phase

For Industrial Gen-Sets | 25–60 kVA | 50 Hz/60Hz | 1500rpm/1800 rpm | Low Voltage

The Sincro IB4 series consists of high-performance, brushless synchronous alternators specifically designed for industrial generator sets operating in demanding environments. Compact, durable, and efficient, IB4 alternators deliver reliable low-voltage AC power with superior electrical performance for both prime and standby use.

Available IB4 Models

Custom configurations available upon request.

Technical Features:

• Brushless, AVR-regulated design for stable voltage output and low maintenance.

• High short-circuit current >350% In – excellent motor start capability.

• Low Total Harmonic Distortion:

  • THD < 2.5%

  • Telephone Harmonic Factor (THF) < 3% – suitable for sensitive loads.

• Transient performance: Voltage drop under rated step load at 0.8 PF is <18%.

• Single-phase ready: All models can be configured for single-phase operation under standard site conditions.

Specifications:

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

• Protection Degree: IP23 (optional IP44)

• Bearings: Rated for heavy-duty continuous use

• Ambient Conditions: Rated for 40°C and ≤1000 m altitude

• Standby Ratings: Based on max 27°C ambient; no overloads allowed

Excitation & AVR Options:

• AVR power supply from auxiliary winding (standard)

• PMG excitation available from SK225 and above on request

• Easy AVR access for maintenance and adjustments

Certifications & Custom Options:

• Certifications:

  • UL 1446 insulation system

  • CSA/UL, DNV, BV marine approvals

• Optional Features:

  • Special voltages, 12-lead configuration

  • Double impregnation

  • Anti-condensation heaters

  • Droop kit, PTC/PT100 sensors

  • PFC (Power Factor Correction), APD (Auto Power Derate)

Applications:

The Sincro IB4 series is ideal for a wide range of industrial generator applications, including construction, backup power, agriculture, marine, oil & gas, and military. Built for endurance and reliability, these alternators offer consistent performance even in the most demanding environments.