Franklin 2007 manual Single-Phase Motor Fuse Sizing

Page 17

Application – Single-Phase Motors

Table 14 Single-Phase Motor Fuse Sizing

TYPE

4" 2-WIRE

4" 3-WIRE

4" 3-WIRE W/CRC CB

4" 3-WIRE

6"

					CIRCUIT BREAKERS OR FUSE AMPS						CIRCUIT BREAKERS OR FUSE AMPS
MOTOR		RATING					(MAXIMUM PER NEC)					(TYPICAL SUBMERSIBLE)
							(MAXIMUM PER NEC)					(TYPICAL SUBMERSIBLE)

MODEL							DUAL ELEMENT						DUAL ELEMENT
PREFIX					STANDARD		DUAL ELEMENT		CIRCUIT		STANDARD		DUAL ELEMENT		CIRCUIT
PREFIX	HP	KW	VOLTS		STANDARD		TIME DELAY		CIRCUIT		STANDARD		TIME DELAY		CIRCUIT
					FUSE		TIME DELAY		BREAKER		FUSE		TIME DELAY		BREAKER
					FUSE		FUSE		BREAKER		FUSE		FUSE		BREAKER
							FUSE						FUSE
	1/2	0.37	115		35		20		30		30		15		30
244504	1/2	0.37	115		35		20		30		30		15		30
244505	1/2	0.37	230		20		10		15		15		8		15
244507	3/4	0.55	230		25		15		20		20		10		20
244508	1	0.75	230		30		20		25		25		11		25
244309	1.5	1.1	230		35		20		30		35		15		30

214504	1/2	0.37	115		35		20		30		30		15		30
214505	1/2	0.37	230		20		10		15		15		8		15
214507	3/4	0.55	230		25		15		20		20		10		20
214508	1	0.75	230		30		20		25		25		11		25

214505	1/2	0.37	230		20		10		15		15		8		15
214507	3/4	0.55	230		25		15		20		20		10		20
214508	1	0.75	230		30		20		25		25		11		25

214508			230		30		20		25		25		11		25
W/ 1-1.5 CB	1	0.75	230		30		20		25		25		11		25
W/ 1-1.5 CB
224300	1.5	1.1	230		35		20		30		30		15		30
224301	2	1.5	230		30		20		25		30		15		25
224302	3	2.2	230		45		30		40		45		20		40
224303	5	3.7	230		80		45		60		70		30		60

226110	5	3.7	230		80		45		60		70		30		60
226111	7.5	5.5	230		125		70		100		110		50		100
226112	10	7.5	230		150		80		125		150		60		125
226113	15	11	230		200		125		175		200		90		175

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Contents Submersible Motors Important Information for Installers of this Equipment Commitment to Quality Page Submersible Motors Application Installation Maintenance ManualStorage Application All MotorsFrequency of Starts Mounting PositionEffects of Torque Transformer Capacity Single-Phase or Three-PhaseTransformer Capacity Torque Required ExamplesUse of Check Valves Use of Engine Driven Generators Single-Phase or Three-PhaseEngine Driven Generators KVAFlow Inducer Sleeve Water Temperature and FlowRequired Cooling Flow MotorHot Water Applications Standard Motors Head Loss From Flow Past MotorHead Loss in Feet Meters at Various Flow Rates Minimum gpm l/m Required for 3 ft/s .91 m/sec Flow RateMaximum Water Temperature Service Factor HorsepowerHot Water Applications Example Heat Factor Multiplier at 3 ft/s .91 m/sec Flow RateGrounding Control Boxes and Panels Drawdown SealsGrounding Surge Arrestors Control Box and Panel EnvironmentWire Control Boxes Application Single-Phase MotorsWire Motor Solid State Controls QD Relays Solid State 180 120 200 250Actual Length Formula Two or More Different Cable Sizes Can Be UsedSingle-Phase Motor Speciﬁcations 60 Hz 3450 rpm Single-Phase Motor Fuse Sizing Buck-Boost Transformer Sizing Auxiliary Running CapacitorsBuck-Boost Transformers Application Three-Phase Motors Three-Phase 60 C Cable 150 240 140 220250 400 450200 250 150260 280Three-Phase 75 C Cable 130 120 180340 420 340 400 490Full Load Maximum Three-Phase Motor Speciﬁcations 60 HzAmps Watts Efficiency % Locked Rotor Amps575 Three-Phase Motor Fuse SizingEfficiency % KW Volts Amps Watts100 150 200 175 250 225 125 110 300 17.5 Efficiency Locked Rotor Amps Rating Full Load MaximumDual Element Heaters for 60 Hz 4 MotorsOverload Relays FurnasFootnotes for Tables 28, 29, Nema Heaters for Adjustable60 Hz 6 Motors Submersible Pump Installation Check List Date Filled In By Pump MotorTransformers Power SupplyControl Panel Incoming VoltageControls and Protective Devices InstallationAmps To Motor Insulation CheckVoltage To Motor 60 Hz 8 Motors Recommended Adjustable Overload RelaysPower Factor Correction SubMonitor Three-Phase ProtectionKVAR Required 60 Hz Motor Kvar Required for PFLine Voltage Control Three-Phase Starter DiagramsChecking and Correcting Rotation and Current Unbalance Three-Phase Power UnbalancePhase Converters Three-Phase Motor Lead IdentiﬁcationInline Booster Pump Systems Reduced Voltage StartersFeed Water Temperature C Source of Cable Ampacity Franklin Cable chart See 12. WiringAIR Availability Variable Speed Submersible Pump Operation, Inverter Drives Dimensions Standard Water Well Installation All MotorsPump to Motor Coupling Tightening Motor Lead Connector Jam NutShaft Height and Free End Play Submersible Leads and CablesSystem Troubleshooting Maintenance All MotorsMotor Does Not Start Motor Starts Too OftenMotor Runs But Overload Protector Trips Motor Runs ContinuouslyResistance Preliminary Tests All Sizes Single- and Three-PhaseNormal ohm and Megohm Values Between All Leads and Ground Insulation Resistance ReadingsResistance of Drop Cable ohms Checking and Repairing Procedures Power On Single-Phase Control BoxesOhmmeter Tests QD, Solid State Control Box Power OffQD Control Box Parts 60 Hz QD Capacitor Replacement KitsOverload Kits 60 Hz QD Relay Replacement Kits Overload Relay Integral Horsepower Control Box Parts 60 HzControl BOX Model no Capacitors MFD Volts Integral hp Overload Replacement Kits Integral hp Capacitor Replacement KitsIntegral hp Voltage Relay Replacement Kits Integral hp Contactor Replacement Kits1 hp QD Relay Control Box Wiring DiagramsHp Standard Hp Deluxe 282 201 Hp X-LARGE Pumptec-Plus Troubleshooting During Installation Maintenance Electronic ProductsPumptec-Plus Unit Appears DeadPumptec-Plus Troubleshooting After Installation QD Pumptec and Pumptec QD Pumptec & Pumptec TroubleshootingSubDrive75, 150, 300, MonoDrive, & MonoDrive XT SubDrive/MonoDrive TroubleshootingSubMonitor SubMonitor TroubleshootingGreen Off Time Subtrol-Plus Troubleshooting After InstallationSubtrol-Plus Obsolete See SubMonitor Light on Igbt AbbreviationsPage Page Page Toll Free Help from a Friend