• Monday - Friday: 8:30 - 17:00 Saturday - Sunday: Closed
  • Avon Marina, Rossiters Quay, Christchurch, Dorset BH23 1DZ
  • 01202 612610

Northern Lights Marine Generator 50/50KW

Northern Lights Marine Generator 50/50KW

For more information or to place an order, please contact us by calling 01202 612 610 or email info@avonmarina.com

SKU: M50T13SL Categories: ,

Description

Features and Benefits

Engine Block
  • EPA Tier III and IMO Tier II compliant.
  • Four cylinder, inline, liquid cooled, overhead valve, marine diesels based on heavy-duty industrial engine blocks.
  • Balanced, forged crankshaft with induction hardened journals and rolled fillets for long life.
  • Replaceable, wet liners for long life and low rebuild costs.
  • Bimetallic calves with chrome stems and rotators.
  • Replaceable valve seats and guides.
  • Three ring aluminum alloy pistons with Ni-Resist insert for the top ring. Keystone piston rings reduces carbon buildup under light loads.
  • A single ploy-vee drive belt powers the alternator and jacket water pump.
Fuel Systems
  • High pressure common rail fuel injection for smooth, clean delivery.
  • Direct fuel injection system.
  • Ring clamp fuel filters with air bleed and drain.
  • Diaphragm-type, mechanical fuel transfer pump with manual priming lever.
Lubrication System
  • Positive displacement gear-type oil pump.
  • Full flow, spin-on oil filter.
  • Oil spray cooling reduces piston crown temperature.
  • Jacket water, plate-type, full flow oil cooler reduces heat and prevents lube oil breakdown.
  • Large capacity oil pan.
  • Closed loop crankcase vent traps oil vapor to keep the engine room clean.
Air System
  • Dry air filter silences intake noise.
  • Turbocharger with jacket water cooled turbine housing for safety.
Cooling system
  • Heat exchanger with keel-cooled option.
  • Gear driven seawater pump with self-priming flexible impeller. Bronze with stainless steel shaft.
  • Cast-iron expansion tank.
  • Two thermostats for quick warm-ups and safety.
  • Cast-iron exhaust manifold for reliable temperature control.
ESP and DC Electrical System
  • Negative ground, 12 volt DC system has circuit breaker, starter motor and alternator with regulator.
  • Low oil pressure and high coolant temperature safety shutdowns.
  • Optional control panels help you specify the amount and type of information required. Comprehensive list of optional alarms and safety shutdowns.
  • Optional DC logic system for simplified maintenance.
  • Optional pre-wired engine, panel with terminal strips.
AC Generator
  • Direct coupled, single bearing, 12 lead, reconnectable AC generator. Maintenance free brushless design.
  • All NL generators meet or exceed class society standards with Class “H” insulation, accessible diodes, oversized ball bearings, marine grade shafts and conservative 90°/50° heat rise ratings. PMG is standard equipment.
  • Engines and generators are torsionally matched for long life.
  • Automatic voltage regulator, 1% regulation over the entire range from no load to full load.
  • Configured for 0% isochronous droop with integral electronic governor control supplied by ECU.
Special Equipment
  • Welded steel base frame.
  • Sparkling white polyurethane paint.
  • Operator’s and parts manuals.
  • Optional sound enclosure for industry best sound and vibration attenuation in a compact design.

Product Specification

 

AC Output

 M50T13SL

 M50T13SL
60 Hz, 1800 RPM, kW 50 kW
50 Hz, 1500 RPM, kW 50 kW
Voltage Regulation 1% 1%
Volts/Amps 208/139 380/76
Frequency Droop Control Isochronous 0%
Phase and Power Factor Three Phase 0.8 Power Factor std.
Opt.: Single Phase – 1.0 Power Factor
Generator Full Load Temp. Rise 90°C Temperature Rise at 50°C Ambient

Lugger Diesel Engine Data
Inline Cylinders/Aspiration/Operating Cycle I-4/Turbocharged/4 I-4/Turbocharged/4
Displacement – in³ (ltr) 276 (4.5) 276 (4.5)
Bore/Stroke – in (mm) 4.19/5 (106/127) 4.19/5 (106/127)

Cooling System – Heat Exchange Standard, Keel-Cooling Optional
Heat Rejection to Jacket Water – rpm BTU min 3984 3984
Freshwater Pump Capacity – rpm/gpm (lpm) 30.9 (117) 21.9 (82.9)
Heat Exchanger Approx. Cooling Capacity – gal (ltr) 3.7 (14) 3.7 (14)
Keel-Cool Approx. Cooling Capacity – gal (ltr) 4.5 (17) 4.5 (17)
Seawater Pump Capacity – rpm/gpm (lpm) 24 (90) 20 (76)
Max. Seawater Pump Suction Head Lift – ft (m) 10 (3) 10 (3)
Seawater Pump Inlet Hose ID – in (mm) 1.2 (32) 1.2 (32)
Min. Seawater Inlet/Discharge Thru-Hull – in (mm) 1.2 (32) 1.2 (32)

DC Electrical
DC Starting Voltage – standard (optional) 12 (24) 12 (24)
Min. Battery Capacity – amp hr 12V (24V) 625 (500) 625 (500)
Min. Battery Size CCA – 12V (24V) 1100 (750) 110 (750)
Starter Rolling Amps @ 0°C – 12V DC (24V DC) 920 (600) 920 (600)
12 Volt Battery Cable Size Up to 10ft (3m) 2/0 2/0

Air
Air Consumption – rpm/cfm/ (m³/m) 215 (6.1) 148 (4.2)
Approximate Heat Radiated to Air – rpm/BTU/min 474 474
Generator Cooling Air Flow 1&3Ø – rpm cfm 700 575
Exhaust Gas Volume – rpm/cfm (m³/m) 521 (14.7) 371 (10.5)
Exhaust Gas Temp. – rpm/F° (C°) 846 (452) 900 (482)
Max. Exhaust Back Pressure – in H²O (mm H²O) 30 (762) 30 (762)
Wet Exhaust Elbow OD – in (mm) 4 (102) 4 (102)
Dry Exhaust Elbow – in (mm) 4 (102) 4 (102)

Fuel
Fuel Injection Pump type and Control Electronic (HPCR) Electronic (HPCR)
Min. Suction – in (mm) 3/8 (10) 3/8 (10)
Min. Return Line – in (mm) 1/4 (6.4) 1/4 (6.4)
Max. Fuel Transfer Pump Suction Lift – in (m) 80 (2) 80 (2)
Max. Fuel Flow to Transfer Pump RPM – gph 19.5 18.8
Specific Fuel Consumption Max. Load RPM – lbs. hp. hr 0.394 0.381
Approx. Fuel Rate at RPM Fuel Load – gph (lph) 4.3 (16.3) 3.9 (14.6)
Fuel Supply and Return – Max Pressure PSI. Height – ft (m) 2.9 2.9
Fuel Supply and Return Height – in (m) 80 (2) 80 (2)

Max Engine Operating Angle
Continuous (with Separate Expansion Tank) 30° 30°
Intermittent (2 Minutes) 45° 45°

Dimensions and Weight

 – Low Profile; Do not use for installation. Contact Factory for installation drawings and info.
Length – in (mm) 76.75 (1949) 76.75 (1949)
Width – in (mm) 38.00 (965) 38.00 (965)
Height – in (mm) 39.31 (998) 39.31 (998)
Weight – lbs (kg) 2749 (1247) 2749 (1247)

Dimensions and Weight

 – Optional Enclosure; Do not use for installation. Contact Factory for installation drawings and info.
Length – in (mm) 77.53 (1969) 77.53 (1969)
Width – in (mm) 38.00 (965) 38.00 (965)
Height – in (mm) 40.90 (1039) 40.90 (1039)
Weight – lbs (kg) 3170 (1438) 3170 (1438)

 

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