DCA-400SSK — GENERAL INFORMATION

DCA-400SSK FAMILIARIZATION

Generator

The MQ Power Model DCA-400SSK is a 320 kW generator that is designed as a high quality portable (requires a trailer for transport) power source for telecom sites, lighting facilities, power tools, submersible pumps and other industrial and construction machinery.

Engine Control Panel

The “Engine Control Panel” is provided with the following:

zAuto/Start/Stop Controller (S/N 3696510~)

zTachometer

zWater Temperature Gauge

zOil Pressure Gauge

zCharging Ammeter Gauge

zEngine Warning Lamp Module

zEngine Speed Switch (S/N3701667~)

zPre-Heat Button

zPre-Heat Lamp

zEmergency Stop Button

zBattery Switch

zStarter Switch (Up to S/N3696509)

Generator Control Panel

The “Generator Control Panel” is provided with the following:

zOutput Voltage Adjustment Knob

zFrequency Meter (Hz)

zAC Ammeter (Amps)

zAC Voltmeter (Volts)

zAmmeter Change-Over Switch

zVoltmeter Change-Over Switch

zPanel Light

zAuto On/Off Engine Controller

zPanel Light Switch

zPilot Lamp

Output Terminal Panel

The “Output Terminal Panel” is provided with the following:

zThree120/240V output receptacles, 50 amp

zTwo 120V receptacles, 20 amp

z3 Circuit Breakers 240V @50 amps

z2 GFCI Circuit Breakers 125V@ 20amps

Control Box

The “Control Box” is provided with the following:

zMain Circuit Breaker 1060 amps

zOver-Current Relay

zHigh Idle Adjust Trimmer

zCurrent Transformer

zAutomatic Voltage Regulator

Open Delta Excitation System

The DCA-400SSK generator is equipped with the state of the art "Open-Delta" excitation system. The open delta system consist of an electrically independent winding wound among stationary windings of the AC output section.

There are four leads: A, B, C and D. During light loads, the power to the Automatic Voltage Regulator (AVR) is supplied from the leads parallel connections of B&C. When loads increase, the AVR switches and accepts power from leads A&D. The output of leads A&D increase proportionally with load. This of adding the voltages to each phase provides better voltage response during heavy loads.

The connections of the AVR to the AC output windings are for sensing only. No power is required from these windings.

The open-delta design provides virtually unlimited excitation current, offering maximum motor starting capabilities. The excitation does not have a "fixed ceiling" and responds according the demands of the required load.

Engine Controller Alarm System

The DCA-400SSK generator is equipped with various alarms and LED status indicators.These alarms and status indicators are provided to add safety to the generator when operating under normal conditions. The DCA-400SSK generator is designed to shutdown in the event of low oil, high coolant temperature, low battery and other operation conditions that may cause severe damage to the generator.

PAGE 24 — DCA-400SSK — PARTS AND OPERATION MANUAL (STD)— REV. #3 (09/17/01)

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Multiquip operation manual DCA-400SSK General Information

DCA-400SSK specifications

The Multiquip DCA-400SSK is a robust solution designed for a variety of construction and developmental applications. Known for its reliability and efficiency, this three-phase diesel generator is equipped with a powerful engine that offers dependable performance in the field.

One of the standout features of the DCA-400SSK is its 400 kW output capacity, making it an ideal choice for large-scale operations where consistent power supply is crucial. It is powered by a high-performance, durable diesel engine that meets stringent emissions standards, ensuring compliance while delivering high efficiency.

The DCA-400SSK comes equipped with advanced technology that enhances its usability and performance. Its automatic voltage regulation (AVR) system ensures stable voltage under varying load conditions, which is essential for sensitive electrical equipment. This feature provides peace of mind to operators, knowing that their equipment is protected from voltage fluctuations.

Built with a sound-attenuated enclosure, the DCA-400SSK is designed to minimize noise, making it suitable for operation in noise-sensitive environments. This aspect not only protects the hearing of those working nearby but also ensures compliance with local noise regulations, thereby promoting a safer working environment.

Another remarkable characteristic of the DCA-400SSK is its user-friendly control panel, which features easy-to-read gauges and straightforward controls. This makes monitoring and operating the generator simple, even for those with limited experience in generator operation. With remote start capabilities, users can start and stop the generator from a distance, enhancing efficiency and convenience.

In terms of mobility, the DCA-400SSK is designed with integrated lifting points and forklift pockets, which facilitate easy transport around job sites. Its rugged construction ensures durability, able to withstand the harsh conditions typical of construction sites while maintaining optimal performance.

Overall, the Multiquip DCA-400SSK stands as a reliable and efficient diesel generator, combining powerful output with advanced features and environmental considerations. It is tailored to meet the demands of contractors and operators looking for a versatile and sturdy power solution. Whether for temporary power needs or long-term projects, the DCA-400SSK delivers exceptional performance in a compact and user-friendly package.