4B3.9 for Commercial Industrial

Frequency (Hz) 50, 60

Certification EPA Tier 1

Fuel Type Diesel

Rated for	kW	kVA
Standby	34-42	42-53
Prime	31-38	38-48

Commercial Industrial

Cummins® heavy-duty engine - Rugged 4-cycle, industrial diesel delivers reliable power, low emissions and fast response to load changes.
Alternator - Several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads and fault clearing short-circuit capability.
Control system - The PowerCommand® electronic control is standard equipment and provides total genset system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentry™ protection, output metering, auto-shutdown at fault detection and NFPA 110 Level 1 compliance.
Cooling system - Standard integral set-mounted radiator system, designed and tested for rated ambient temperatures, simplifies facility design requirements for rejected heat.
Enclosures - Optional weather protective and sound attenuated enclosures are available.
Fuel tanks - Dual wall sub-base fuel tanks and in-skid day tanks are also offered.
NFPA - The genset accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems.
Warranty