Linz | 48 Vdc | 120 Amp | 6.7 kW | 1800 RPM

ESB4-48/120 Phase 9 48VDC 120A Brushless DC Alternator

The ESB4-48/120 is a four-pole, nine-phase brushless DC alternator engineered to supply up to 120 Adc at 48 Vdc (6.7 kW) for critical diesel generator applications. Featuring an integrated rectifier with forced-ventilation, this UL-listed alternator maintains voltage within ±0.5% under S1 duty for reliable performance in telecom, hybrid, and industrial power systems.

• Output: 48 Vdc, 120 Adc (6.7 kW)
• Pole Count: 4 poles, 9 phases
• Regulation: ±0.5% AVR accuracy, 48–59 Vdc range
• Cable Configuration: High-current dual stud terminals
• UL Certified for panel and enclosure integration

As an OEM component, the ESB4-48/120 is widely trusted in Aurora diesel generators. Its compact B3/B14 mounting, rugged brushless design, and compatibility with standard generator enclosures make it ideal for Perkins, Yanmar, Hatz, and other diesel engine packages.

Please confirm compatibility with your engine’s build list or documentation before purchase.
This part may fit other engines not listed here.