Generac Mobile Products MGG450 Gaseous Generator

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Features

TOTAL CONTROL

  • Variable pitch fan to auto adjust for cooling and heating needs
  • Automatically adapts to LP, NG or Wellhead Fuel
  • Advanced fuel control system minimizes derate for fuel
  • Engine protection (knock sensing on each cylinder)

 

COST EFFECTIVE

  • 1500-hour service interval
  • Parallel/Load Share-Ready
  • Light weight and new trailer design for easier towing
  • Easy service access
  • Natural gas and wellhead gas provide most cost-effective fuel source avaliable

 

DURABLE & EFFICIENT

  • 450 kVA; Best in class kW/L (true 300 kWe COP)
  • Continuous duty 21.9L engine
  • Cold weather package designed for start in extreme cold situations
  • UL2200 and CSA22.2 rated and fuel system is CSA B149 Compliant
  • EPA Certified
  • 49-state Emissions Compliant

Specifications

ENGINE

  • Generac® G21.9L - turbocharged, after-cooled
  • Fuel Type(s): Pipeline Natural Gas, Liquid Propane, Wellhead Gas (power de-rates apply based on fuel composition, contact factory)
  • Engine Power, NG Fuel – Continuous - hp (kW): 465 (347)
  • Engine Power, NG Fuel – Prime - hp (kW): 558 (416)
  • Operating Speed – rpm: 1800
  • Displacement – in3 (L): 1336.42 (21.9)
  • Cylinders – Qty: 12
  • Cylinder-specific knock sensing
  • Automatic spark timing adjustment
  • Bore – in (mm): 5.03 (128)
  • Stroke – in (mm): 5.6 (142)
  • Fuel Consumption, Continuous @ 100% load – ft3/hr (m3/hr): 3992 (113.1)
  • Fuel Consumption, Prime @ 100% load – ft3/hr (m3/hr): 4563 (129.2)
  • Oil Consumption – qt. (L): 0.96 (0.91) every 24 hours of operation
  • Radiator and oil drains plumbed to exterior
  • Rubber vibration dampers isolate engine/generator from frame
  • In-line engine block heater
  • Disposable air filter - paper element
  • Air filter restriction indicator
  • 60 Hz engine/generator

 

CAPACITIES

  • Coolant (incl. engine) – qt (L): 92 (87)
  • Oil (incl. filter) – US gal (L): 38 (144)
  • 1500 hour service interval
  • 125% fluid containment
  • Cooling system capable of operating at 120°F (49°C) ambient
  • Variable pitch fan to auto adjust for cooling and heating needs

 

GENERATOR

  • LSA 47.2 S4
  • Rise ºC: 105
  • PMG Generator - critical grade power quality
  • Class H insulation
  • Electronic isochronous governing

 

SYSTEM OUTPUT

  • 360 kW / 450 kVA – prime, three phase
  • 300 kW / 375 kVA – continuous, three phase
  • Amps, three phase, continuous A: 451 @ 480V
  • Amps, three phase, prime A: 541 @ 480V
  • Power Factor: 0.8

 

AC DISTRIBUTION

  • Circuit Breaker Type / Size A: Power / 600
  • Voltage Regulation: Digital, ±0.5%
  • Voltages Available: Three phase: 277/480

 

SYSTEM CONTROLS

  • Generac/Motortech Compatible with ComAp, Deep Sea (with additional DSE-123 module) and Grid
  • Motortech® controller and display
    • Backlit, 320 x 240 pixel resolution color display
    • -40°F to 158°F (-40°C to 70°C) operating temperature range
    • Automatic coarse voltage adjustment
  • Push buttons for easy operation
    • Manual or Auto Start
    • Engine Start
    • Engine Stop/Reset
    • Alarm Mute
    • Circuit Breaker Operation
    • History
  • Operator Screens
    • Main
    • Fuel Selection
    • Generator
    • Bus
    • Power Output
    • Synchronization
    • Statistics
    • Power Management
    • Analog Inputs I
    • Analog Inputs II
    • Analog Inputs III
    • Knock Detection
    • Ignition Voltage
    • Ignition Information
    • Digital Inputs/Outputs
    • Alarms
  • Warning
  • Shutdown
  • Electrical Trip
  • Engine
    • Alarm list – warnings / shutdowns; 250 event history log – date/time stamp
  • Over speed protection: shutdown – 115%
  • Oil pressure: warning – 40 psi; shutdown – 20 psi
  • Coolant temperature: warning – 220°F (104°C); shutdown – 230°F (110°C)
  • Battery voltage: over – 15VDC; under – 11VDC
  • Generator over voltage: warning – 110%; electrical trip – 111%
  • Generator under voltage: warning – 87%; electrical trip – 86%
  • Generator over frequency: warning – 105%; electrical trip – 110%
  • Generator under frequency: warning – 95%; electrical trip – 90%
  • Low coolant level shutdown
  • Key load share features
    • Up to 32 additional gensets
    • Digital inter-genset communication via CAN bus
    • Non-MGG450 controllers communication via Analog bridge
    • Sequential set start
    • Manual voltage/frequency adjustment
    • Generator load demand
    • Automatic hours run balancing
    • Dead bus sensing
    • Bus failure detection
    • Direct governor and AVR control
    • Volts and frequency matching
    • kW and kVAr load sharing


ELECTRICAL CONTROLS

  • Remote start / stop contacts located next to lug box
  • Lockable control box door with diagnostics window
  • Lockable lug box with safety switch
    • Trips main breaker when lug door is opened
  • Output ground connection lug inside lug box
  • 600A motorized main breaker with shunt trip
  • Convenience receptacles with individual breakers
    • (2) 120V 20 Amp GFCI duplex outlets (NEMA 5-20R type)
    • Buck Transformer kit – Provides 120V at GFCI outlets when in 277/480V
  • Battery Type – Group Number: 8D
    • Battery Voltage, quantity per unit: 12V (2)
    • Battery Voltage, series connection: 24V
    • Battery Rating: 1100CCA

 

ENCLOSURE

  • Aluminum, sound attenuated enclosure
    • UV & fade resistant, high temperature cured, white polyester powder paint
    • Insulated and baffled
    • 84 dB(A) @ 23 ft. (7 m) , 77°F (25°C) – continuous power
    • 80 dB(A) @ 23 ft. (7m), 77°F (25°C) – continuous power w/ variable pitch fan installed
  • Fully lockable enclosure
  • Stainless steel hinges on doors
  • Emergency stop switch located on outside of enclosure
  • Central lifting point
  • Multi-lingual operating/safety decals
  • Document holder with operating manual including AC/DC wiring diagrams
  • Integrated single point lift structure; fork pockets in frame
  • 4-point standard lifting
  • Push-Pull-Drag points at all 4 corners

 

TRAILER

  • DOT approved tail, side, brake, and directional lights
    • Recessed rear lights
  • Transportation tie downs
  • Safety chains with spring loaded safety hooks
  • 3 in. (76.2 mm) lunette ring hitch
  • (3) 7000 lb. (3175 kg) axles
  • Electric brakes
  • Tongue jack with footplate
  • ST225/75D15D tubeless tires – 6H
  • Max tire pressure – psi: 105
  • Rear stabilizer jacks
  • NATM compliant


WEIGHT & DIMENSIONS

  • Skid mounted
    • Operating weight: 12,110 lbs. (5,493 kg)
    • 204 x 72 x 101 in. (5.18 x 1.83 x 2.57 m)
  • Trailer mounted
    • Operating weight: 15,281 lbs. (6,931 kg)
    • 253 x 102 x 131 in. (6.43 x 2.59 x 3.33 m)

 

 

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