Generac Mobile Products MGG450 Gaseous Generator

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

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)