Phasor K4-12.5 – 12.5kW Marine Diesel Generator 1800 RPM
Heavy continuous electrical loads on cruising yachts draw from a Phasor K4-12.5 marine powerplant, which extracts 12.5 kW at 120V/240V from a 1498cc 4-cylinder Kubota engine operating at 1800 RPM at 585 lbs.
- 12.5 kW continuous power runs heavy watermakers
- 1800-RPM operating speed ensures low mechanical wear
- Closed-loop heat exchanger isolates corrosive salt spray
- Remote safety panel features automatic low-oil shutdown
- Four-cylinder Kubota engine minimizes mechanical vibration
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The Phasor K4-12.5 is a low-speed marine diesel generator for vessels requiring 12.5 kW of 120/240V, 60Hz single-phase AC power. It uses a Kubota V1505-E4BG four-cylinder diesel engine operating at 1,800 RPM and a direct-coupled brushless generator with solid-state voltage regulation. The standard unit is supplied as an open-frame generator, while a sound enclosure may be available as an option.
The generator uses freshwater cooling through a heat exchanger with raw-water circulation for cooling and wet-exhaust operation. It includes a remote safety-shutdown panel with engine gauges and hour meter. A full marine installation requires fuel supply and return plumbing, raw-water intake, strainer, exhaust, ventilation, starting battery, AC distribution, transfer switching, grounding, and correctly rated electrical protection.
Before Ordering
Confirm required continuous and surge load within 12.5 kW, 120/240V single-phase 60Hz compatibility, available 914 mm by 457 mm by 591 mm base installation space, structural support for approximately 235 kg, required sound-enclosure configuration, diesel fuel layout, raw-water intake, exhaust route, ventilation capacity, starting-battery circuit, AC distribution and transfer-switch design, grounding plan, service access, and qualified marine-generator installation requirements before purchase.
Product Specifications
Phasor K4-12.5 - 12.5kW Marine Diesel Generator 1800 RPM
| Brand | Phasor Marine |
|---|---|
| Full Model SKU / Code | K4-12.5 |
| Generator Type | Low-Speed Heavy-Duty Marine Diesel Generator |
| Continuous Power Output | 12.5 kW / 12.5 kVA |
| Voltage Output | 120 V / 240 V (Single Phase) |
| Frequency Output | 60 Hz |
| Engine Operating Speed | 1800 RPM |
| Engine Manufacturer & Model | Kubota V1505-E Marine Diesel Engine |
| Number of Cylinders | 4 Cylinders |
| Displacement | 1498 cc |
| Cooling System Type | Heat Exchanger Closed Loop Freshwater Cooling System |
| Cooling Pump Type | Engine-Driven Heavy-Duty Circulation Water Pump & Bronze Raw Water Pump |
| Fuel Type | Marine Diesel |
| Fuel Consumption (Average) | 1.1 gal/h (4.16 L/h) @ 100% load |
| Sound Insulation Enclosure | Open Frame (Optional Sound Enclosure Housing Available) |
| Noise Level | 65 dB(A) @ 1m (Open Frame) / 56 dB(A) @ 1m (With Sound Enclosure) |
| Dimensions (L x W x H) | 965 x 533 x 610 mm (38.0 x 21.0 x 24.0 in) |
| Dry Weight | 265 kg (585 lbs) |
| Control Panel | Remote Safety Shutdown Panel with Full Analog Gauges & Hour Meter |
| Safety Protection Systems | Automatic Low Oil Pressure & High Coolant Temperature Shutdown |
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