4829 South 36th Street, Phoenix AZ 85040



WhisperWatt™ 400

Prime Rating —320 kW(400 kVA)
Standby Rating —336 kW(420 kVA)
3-Phase, 60 Hertz, 0.8 PF



Standard Features

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■ Heavyduty, 4-cycle, direct injection, turbo charged, chargeair-cooled diesel engine provides
maximum reliability.
■ Brushless alternator reduces service and maintenance requirements and meets temperature rise standards
for Class F insulation systems.
• Open delta alternator design provide svirtually unlimited excitation for maximum motor starting
• Automatic voltage regulator (AVR) provides precise regulation.
■ Electronic governor system maintains frequency to ±0.25%.
■ Full load acceptanc eof stand by name plate rating in one step(NFPA 110, para 5-13.2.6).
■ Sound attenuated, weather resistant, steel housing provides operation at 69 dB(A) at 23 feet.
Fully lockable enclosure allows safe unattended operation.
■ Internal fuel tank with direct reading fuel gauges are standard.
■ E-coat primer with polyurethane enamel finish coat.
■ Digital engine gauges including oil pressure, water temperature, battery volts, engine speed, and
fuel level.
■ Analog generator instrumentation including AC ammeter, AC voltmeter, frequency meter, ammeter
phase selector switch, voltmeter phase selector switch, and voltage regulator adjustment

■ ECU835 microprocessor-based digital generator controller.
• Remote 2-wire start/stop control.
• Operational temperature range of -40° to 85° C.
• High visibility LCD display with heated screen and alphanumeric readout.
• Modbus interface for gauge panel and expansion options.
■ Automatic safety shutdown system monitors the water temperature, engine oil pressure, low coolant,
overspeed, and over crank.Warning lights indicate abnormal conditions.
■ Complete power panel. Fully covered; three-phase terminals and single phase receptacles allow fast
and convenient hook up for most applications including temporary power boxes, tools and lighting
equipment. All are NEMA standard.
■ Fuel/water separator.Removes condensation from fuel for extended engine life.
■ Simultaneous single and three phase power.
■ Voltage change-over board. Allows easy to change voltages as your applications require. 240/480 bus bar.
■ Battery Switch.
■ Emergency Stop Switch. When manually activated, shuts down generator in the event of an
■ EPA emissions certified – Tier 4 Final emissions compliant.
• Engine fitted with DOC and SCR.