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Product Overview
The BetaSet / BetaGen 12/4 is a compact 4‑pole marine generator set offering rated power of up to 11.1 kVA at 50 Hz or 15.0 kVA at 60 Hz (mechanically governed). Powered by a 4‑cylinder 1,498 cc Kubota-based engine, it is suitable for vessels under 19 kW and fully compliant with CCNR Stage IIIA regulations. The model is available with either heat exchanger, keel cooling, or radiator cooling options.
Key Features
- Max Output: 11.1 kVA (1 ph 50 Hz), 15.0 kVA (1 ph 60 Hz); 12.8 kVA (3 ph 50 Hz), 13.0 kVA (3 ph 60 Hz)
- Flexible Voltage Configurations: 230 V 1‑phase or 400 V 3‑phase @ 1,500 rpm (50 Hz); 127/254 V 1‑phase or 440 V 3‑phase @ 1,800 rpm (60 Hz)
- Kubota-Based Engine: 4‑cylinder, 1,498 cc diesel engine with mechanical governing per ISO 3046
- Cooling Options: Heat exchanger, keel, or radiator cooled for flexible installation design
- Marine Alternator: Mecc Alte IP22 ventilated unit, self-excited with AVR, 0.8 pf
- CCNR Stage IIIA Compliant: Suitable for vessels under 20 m on Rhine or similar inland waterways
Technical Specifications
| Max. Output | 11.1 kVA (1 ph 50 Hz), 12.8 kVA (3 ph 50 Hz), 15.0 kVA (1 ph 60 Hz), 13.0 kVA (3 ph 60 Hz) |
|---|---|
| Typical Load Current | 39 A* @230 V 1ph, 14.2 A** @400 V 3ph, 41 A*** @127/240 V 1ph, 15.7 A**** @440 V 3ph |
| Cylinders | 4 |
| Cubic Capacity | 1,498 cc |
| Fuel Consumption | ≈3.6 L/hr (50 Hz), ≈4.3 L/hr (60 Hz) |
| Speed | 1,500 rpm (50 Hz), 1,800 rpm (60 Hz) |
| Cooling Options | Heat exchanger, keel, or radiator cooling |
| Governor | Mechanical governor (ISO 3046 standard) |
| Alternator | Mecc Alte, ventilated, IP22, self-excited with AVR, 0.8 pf |
| Paint Finish | Beta Red (heat exchanger) or Dark Brunswick Green (keel cooled); enclosure off-white |
Standard Equipment
- Cupro‑nickel heat exchanger with bronze end caps & sacrificial anode
- Keel cooling header tank and dry exhaust option
- Water-cooled manifold and injection exhaust bend
- 12 V electric start with 45 A alternator and stop solenoid valve
- PSM720/EPM72 control module with start/stop, hour meter, fault shutdown, 3 m cable
- Mecc Alte marine alternator – ventilated, IP22, 0.8 pf, AVR-equipped
- Close-coupled engine & alternator on failsafe marine anti‑vibration mounts
- Full-load tested and QA023 certified; tri-wall packed on wooden base
Emissions & Compliance
- CCNR Stage IIIA compliant — suitable for inland waterways such as the Rhine
- Installed on vessels under 20 m (<100 m³), excluding Lake Constance (BSO rules apply)
- EPA-compliant versions available upon request
- Rated power reduced by ~8% at ambient temperatures over 45 °C
Applications
- Small to mid‑sized recreational and work vessels under 19 kW
- Canal barges, narrowboats, yachts and houseboats needing <15 kVA
- Marine installations on regulated inland routes requiring low emissions
