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 1 4HP Split Phase Gear Motor Model 5K935
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GE 5KH39QN5512T Motor 1 4 HP 1725 RPH 60 HZ 115 V Split Phase
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General Electric Split Phase Motor  1 6 HP  115 V  60 Hz  1725 RPM
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Dayton 1 3 HP Split Phase Fan Blower Motor Model 5K917BA
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Bison Parallel Shaft Split Phase Gear Motor 1 4 hp 6 RPM 115V Dayton 5K933
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US MOTOR D13B2K4A9 1 3HP 1725 RPM 230V Industrial Single Split Phase Motor 1Ac
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GENERAL ELECTRIC SPLIT PHASE RESILIENT MOTOR MODEL 4363 HP 1 4 RPM 17
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DAYTON SPLIT PHASE GEAR MOTOR AC 115V 2Z816 Set up for polishing
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Dayton Moisture Resistant Motor 1 2 hp 1725 rpm split phase 6K069B Free SH
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Dayton Split Phase Motor
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Dayton Electric Blower Motor 6K717B Split Phase 1 3hp RPM 1725 Voltage 230 V
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AO Dayton Split Phase Motor Model No 6XH71 1 3HP 1725 RPM 230V 30 Amps 60Hz
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AO SMITH AC MOTOR RB2054DV1 TYPE S SPLIT PHASE RESILIENT BASE MOTOR
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Dayton Split phase fan blower motor SPECS IN PICS 1 4 HP MODEL 3K771 1725 RPM
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Emerson AC Split General Purpose Single Phase Motor D13B2N4A 1 3HP 1725RPM NIB
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Dayton 1 3HP Ball Bearing Motor 5K412B Split phase reversible 115 120V 1725 RPM
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Brand New Dayton General Purpose Split Phase Motor 1 2 HP 6XJ56BA 196155
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Dayton 5K887C Split Phase Pump Motor 115V 60Hz 1 3HP 1PH 1725RPM NEW
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NEW IN BOX EMERSON 8200 SPLIT PHASE BELTED FAN AND BLOWER
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1 3 HP Split Phase AC Motor
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ELECTRIC MOTOR AO Smith RB2054D Split Phase Resilient Base Motor 1 2 HP
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Dayton Split Phase Motor 1 3 1 10 HP 1725 1140 RPM 115V 6XJ15BE NEW
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NEW AO Smith GF2034 Blower Motor Belt Drive Split Phase 1 3 HP 1725RPM 115V
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US Motors D12B2NA 1 2HP 1800RPM 56 Frame ODP 115V Split Phase Motor
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GE ELECTRIC MOTOR H299 MODEL NO 5KH49UG49X 1 2 HP 1140 RPM 230V SPLIT PHASE NIB
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Mitsubishi SP KR Super Line Split Start Single Phase Induction Vacuum Pump
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Dayton Split Phase Gear Box Model 6K353 Gears Motors Drives Machine Parts Power
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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 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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Leland Faraday Split Phase Motor Open Drip Proof 1 3 HP
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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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Dayton Split Phase 1 3 HP AC blower Motor
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Dayton 4Z065A Split Capacitor Gear Motor 1 25HP 1 Phase 115V Ratio 157 NEW
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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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1 4 hp 30 RPM 115V Bison AC Parallel Shaft Split Phase Gear Motor  014Q307 0057
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DAYTON 6K517B SPLIT PHASE MOTOR 1 4HP 1725RPM 115V 1PH 44A
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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 1 3 HP 1725 RPM Split Phase AC Motor
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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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