Multiquip MQP20P manual Load application/generator output, Single Phase Load, Generator Amperage

load application/generator output

Single Phase Load

Always be sure to check the nameplate on the generator and equipment to insure the wattage, amperage, frequency, and voltage requirements are satisfactorily supplied by the generator for operating the equipment.

Generally, the wattage listed on the nameplate of the equipment is its rated output. Equipment may require 130—150% more wattage than the rating on the nameplate, as the wattage is influenced by the efficiency, power factor and starting system of the equipment.

.NOTICE

If wattage is not given on the equipment’s name plate, approximate wattage may be determined by multiplying nameplate voltage by the nameplate amperage.

WATTS = VOLTAGE x AMPERAGE

The power factor of this generator is 1.0. See Table 6 below when connecting loads.

Table 6. Power Factor By Load

	Type of Load				Power Factor
Single-phase induction motors					0.4-0.75
Electric heaters, incandescent lamps					1.0
Fluorescent lamps, mercury lamps					0.4-0.9
Electronic devices, communication					1.0
equipment
Common power tools					0.8
Table 7. Cable Selection (60 Hz, Single Phase Operation)
Current	Load in Watts		Maximum Allowable Cable Length
in	At 100	At 200	#10 Wire	#12 Wire	#14 Wire	#16 Wire
Amperes
	Volts	Volts
2.5	300	600	1000 ft.	600 ft.	375 ft.	250 ft.
5	600	1200	500 ft.	300 ft.	200 ft.	125 ft.
7.5	900	1800	350 ft.	200 ft.	125 ft.	100 ft.
10	1200	2400	250 ft.	150 ft.	100 ft.
15	1800	3600	150 ft.	100 ft.	65 ft.
20	2400	4800	125 ft.	75 ft.	50 ft.
	CAUTION: Equipment damage can result from low voltage

NOTICE

Motors and motor-driven equipment draw much greater current for starting than during operation.

An inadequate size connecting cable which cannot carry the required load can cause a voltage drop which can burn out the appliance or tool and overheat the cable. Refer to Table 7 to select the correct cable size.

„„When connecting a resistance load such as an incandescent lamp or electric heater, a capacity of up to the generator’s rated output (kW) can be used.

„„When connecting a fluorescent or mercury lamp, a capacity of up to the generator's rated output (kW) multiplied by 0.6 can be used.

„„When connecting an electric drill or other power tools, pay close attention to the required starting current capacity.

When connecting ordinary power tools, a capacity of up to the generator’s rated output (kW) multiplied by 0.8 can be used.

DANGER

Before connecting this generator to any building’s electrical system, a licensed electrician must install a transfer switch. Serious damage to the building’s electrical system may occur without this transfer switch.

Generator Amperage

Table 8 shows the maximum amps the generator can provide. DO NOT exceed the maximum amps as listed.

Table 8. Generator Maximum Amps

Rated Voltage	Maximum Amps
1Ø 120 Volt	83 X 2 amps (4 wire)
1Ø 240 Volt	83 amps (4 wire)

page 22 —MQP20P STANDBY GENERATOR • operation and parts manual — rev. #1 (11/28/11)