Split Phase

January 8, 2011 4:15 am | Electric Motors

why we need to split the phase of single phase motor.?

A single phase induction motor has zero starting torque. We split the phase to give it some torque at zero speed. once started it will run just fine. So the starting winding (the split phase) is normally switched off. (using a centrifugal switch)

DAYTON 5K618 D SPLIT PHASE MOTOR 1 2 1 4 HP 1725 1140 RPM NEW NIB
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Dayton 1 3 HP Split Phase Fan Blower Motor Model 5K917BA
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Dayton 5K351 Split Phase AC 1 4 HP Motor w On Off Switch from Wood Lathe 115 V
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Dayton Split Phase 1 2 HP AC Motor 6K589A 115 V 1725 RPM 1 phase 74 amp 60 HZ
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Dayton Moisture Resistant Motor 1 2 hp 1725 rpm split phase 6K069B Free SH
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NIB AO SMITH GF2024 ELECTRIC MOTOR 1 4 HP 1725RPM SPLIT PHASE 54 AMP 115 VOLT
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Dayton Split phase fan blower motor SPECS IN PICS 1 4 HP MODEL 3K771 1725 RPM
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Dayton 1 3 HP Split Phase Motor with 9 Blower for Fume Hood 5K586B 2C820
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Ac Split Phase Ac Motor Sears Craftman Model 11312037
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Dayton 1 4 hp electric motor 1725 rpm 115 230v frame 48 split phase 5 8 x 225
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Belt Drive Motor Split Phase Motor 1 4 HP AO SMITH 1725 RPM 115V
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NIB CENTURY GF2054 ELECTRIC MOTOR 1 2 HP 1725RPM SPLIT PHASE 8 AMP 115 VOLT
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Dayton 1 3 HP Split Phase AC Motor 5K221B Reversable
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1 3 HP Split Phase AC Motor
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Marathon Electric B208 1 2 HP Split Phase HVAC Fan  Blower Motor 1800 RPM
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Dayton 1 4 hp Split Phase AC Motor w switch
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Dayton 5K909B 1 3 HP 1725 RPM Split Phase AC Motor
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Dayton 6K301 Split Phase Gear Motor 1 15 HP
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GENERAL ELECTRIC SPLIT PHASE RESILIENT MOTOR MODEL 4363 HP 1 4 RPM 1725
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Dayton Split Phase 1 3 HP AC blower Motor
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DAYTON SPLIT PHASE GEAR MOTOR AC 115V 2Z816 Set up for polishing
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1 4 hp 12 RPM 115V Bison AC Parallel Shaft Split Phase Gear Motor  014Q307 0144
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DAYTON 3K090A PUMP AC 1 2HP 115 230V AC 1725RPM 1PH ELECTRIC MOTOR split phase
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New Dayton 6XJ15 Split Phase AC Motor 1 3HP 1 10HP 1725 1140RPM 115VAC NEMA 56
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1 4 hp 30 RPM 115V Bison AC Parallel Shaft Split Phase Gear Motor  014Q307 0057
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Dayton Split Phase Model 5K906A 1 6 hp 1725 RPMs 115 Volts
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Dayton 6K032 H AC Motor 1 4HP 115V 1725 RPM Split Phase 60 Hz Frm H56 1 Phase
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Marathon Electric Taco Circ Split Phase 48S17D2102 1 12 Hp 115 Volt 1725 RPM
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DAYTON 1 4 HP SPLIT CASE MOTOR 1725 RPM 115 VOLT 1 PHASE SHAFT 1 1 2 X 1 2
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DAYTON 6XJ07 1 4HP 48 FR 1725RPM 115V 60HZ SPLIT PHASE MOTOR NEW
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GE H296 1 4 HP SPLIT PHASE ELECTRIC MOTOR 850 RPM 115 V
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DAYTON 6K578A SPLIT PHASE JET PUMP 1 3HP 115VAC 3450RPM 56J 1PH AC MOTOR B420577
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Dayton Split Phase AC Motor MOD 6K846 HP 1 12 RPM 1725 Volts115
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DAYTON SPLIT PHASE 1 4 HP MOTOR RPM 1725 FRAME 48 115 VOLTS USED
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Dayton 1 3 HP 1725 RPM Split Phase AC Motor
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3 4 HP Split Phase Belt Drive Motor 115V 1725 RPM
3 4 HP Split Phase Belt Drive Motor 115V 1725 RPM
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25 HP Motor Split Phase Belt Drive Motor 1 2 D flat shaft
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DAYTON THERMALLY PROTECTED SPLIT PHASE FAN BLOWER MOTOR 025 050 Hp
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EMERSON PT12B1N4 Tool Motor 2 Shafts 1 2HP 115V 3450RPM Split Phase EA2
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1 4 hp 18 RPM 115V Bison AC Parallel Shaft Split Phase Gear Motor  014Q307 0096
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Belt Drive Motor Split Phase 1 6 HP Nameplate RPM 1725 Voltage 115
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Dayton Belt Drive Fan Blower Motor 1 2 HP Type Split Phase RPM 1725
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Dayton Split Phase Pump Motor 5K887B
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DAYTON MOTOR 1 3 HP  1725 RPM  56CZ  SPLIT PHASE  OPEN DRIPPROOF
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Dayton General Purpose Split Phase AC Motor 1 3 HP
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Dayton Split Phase Gear Box Model 6K353 Gears Motors Drives Machine Parts Power
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Sears Craftsman Split Phase AC Motor Model 11319800 1 3 hp
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Dayton motor 1 3hp split phase 1775rpm 115v fr 56Z NIB 5K533C
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Emerson Split Phase Carbonator Pump Motor S055NSL7295022J 1 4 HP 240V 1725 RPM
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BISON 014 482 3095 1 3 HP 18 RPM Split Phase Reversible AC Gearmotor 1V
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DAYTON 5K559D SPLIT PHASE MOTOR 1 6 HP 115 V 1140 RPM
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DAYTON 5K586B MOTOR SPLIT PHASE 1 3 HP 3450 RPM 115 V 1 PH 1 2 SHAFT
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Dayton 1 3 HP 3450rpm 115V Split Phase Motor 5K586BA
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AOSmith HW20084 Split Phase 115V 1 12 HP 1725 RPM Water Circulator Motor NEW
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Dayton 6XJ15 Split Phase Motor 1 3HP 1 10HP 1725 1140RPM 115VAC NEMA 56 New
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Dayton Maxi Torq Split Phase Gearmotor 6K332A 1 6 hp 115 vac 1911 ratio
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Time Remaining: 16d 10h 14m
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Vintage Sears Craftsman 1 4 HP Split Phase Electric Motor
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Vintage Sears Craftsman Split Phase Electric Motor 3hp
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Craftsman 1 3 HP Fan Duty Split Phase Electric Motor 1725 RPM 113198350
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Dayton 6K396 Split Phase Gearmotor w Dayton 4Z447 Magnetic Disc Brake
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Time Remaining: 17d 5h 53m
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AO Smith GF2034 General Purpose 1725 RPM 115 Volt Split Phase Motor
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Time Remaining: 17d 8h 10m
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Used Vintage Working Champion Split Phase Motor 1 3 HP 115 V 62 Amp 1725 RPM
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