Motor Run Capacitors

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We offer a selection of motor run capacitors to improve single-phase AC motor running characteristics while not drawing excessive current

What is a motor run capacitor?

A motor capacitor, such as a start capacitor or run capacitor (including a dual run capacitor) is an electrical capacitor that alters the current to one or more windings of a single-phase alternating-current induction motor to create a rotating magnetic field.

There are two common types of motor capacitors: motor run capacitors and motor start capacitors.

Motor run capacitors: Some single-phase AC electric motors require a "run capacitor" to energise the second-phase winding (auxiliary coil) to create a rotating magnetic field while the motor is running.

Run capacitors are designed for continuous duty while the motor is powered, which is why electrolytic capacitors are avoided, and low-loss polymer capacitors are used. Run capacitors are mostly polypropylene film capacitors.

What does a motor run capacitor do?

A variation of the capacitor-start motor is to start the motor with a relatively large start capacitor for high starting torque, but leave a smaller value motor run capacitor in place after starting to improve running characteristics while not drawing excessive current. The additional complexity of the capacitor-run motor is justified for larger size motors.

We offer Ducati metal case (safety class S2) capacitors, labelled on the case. They have the main international certification (IMQ-VDE-UL-GOST).

The Kemet C87 series capacitors are polypropylene metallized film types with a cylindrical, aluminium can-type design filled with resin. They use faston, plastic deck or cable terminals, and an overpressure safety device.

They are self-healing and VDE, CQC, and UL810 approved, with a rated frequency of 50Hz and 60Hz. They have high capacitance density and safety device protection.

Typical applications include motor run S2 safety class: single-phase motors, low power electric motors, and compressors.

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Manufacturer Part No	Order Code	Description / Manufacturer	Price For	Price (Incl GST)	Quantity	Dielectric Type	Capacitor Case / Package	Capacitance	Capacitance Tolerance	Capacitor Mounting	Voltage(AC)	Capacitor Terminals	Lead Spacing	dv/dt Rating	Product Diameter	Product Height	Product Range	Operating Temperature Min	Operating Temperature Max
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C276CCF4300LG0J	2456851 Data Sheet Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 3 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $11.16 ($12.28) 10+ $9.93 ($10.92) 50+ $8.68 ($9.55) 100+ $7.94 ($8.73) 486+ $6.85 ($7.54) 1134+ $6.35 ($6.99) 2106+ $6.22 ($6.84) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	3µF	± 5%	Stud Mount - M8	470V	Wire Leaded	-	15V/µs	25mm	57mm	C27 Series	-25°C	85°C
4.16.10.08.14	1219038 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 5 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $8.32 ($9.15) 10+ $8.16 ($8.98) 100+ $8.00 ($8.80)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	5µF	± 5%	-	450V	Wire Leaded	-	20V/µs	28mm	55mm	4.16.10	-25°C	70°C
4.16.10.13.64	1219055 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 8 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $7.17 ($7.89) 10+ $6.48 ($7.13) 50+ $5.74 ($6.31) 100+ $5.20 ($5.72) 250+ $4.69 ($5.16)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	8µF	± 5%	-	450V	Quick Connect	14.4mm	20V/µs	32mm	55mm	4.16.10	-25°C	70°C
4.16.10.06.14	1219037 Data Sheet RoHS	Motor Run Capacitor, Metallized PP, Can, 4 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $10.23 ($11.25) 10+ $9.24 ($10.16) 50+ $8.21 ($9.03) 100+ $7.45 ($8.20) 250+ $6.65 ($7.32)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	4µF	± 5%	-	450V	Wire Leaded	-	20V/µs	28mm	55mm	4.16.10	-25°C	70°C
B32332I6356J082	2218096 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 35 µF, ± 5%, Stud Mount - M8, 450 V EPCOS You previously purchased this product. View in Order History	Each	1+ $26.79 ($29.47) 10+ $25.45 ($28.00) 50+ $21.43 ($23.57) 100+ $20.09 ($22.10) 500+ $17.82 ($19.60)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	35µF	± 5%	Stud Mount - M8	450V	Quick Connect	-	10V/µs	35mm	103mm	MotorCap B32332	-25°C	85°C

4.16.10.25.06	2829370 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 20 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $20.40 ($22.44) 5+ $18.45 ($20.30) 10+ $16.39 ($18.03) 25+ $14.88 ($16.37) 50+ $13.26 ($14.59) 100+ $12.74 ($14.01) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	20µF	± 5%	-	450V	Wire Leaded	-	20V/µs	40mm	70mm	4.16.10	-25°C	70°C

4.16.10.22.64	1219058 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 15 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $12.83 ($14.11) 2+ $11.59 ($12.75) 3+ $10.30 ($11.33) 5+ $9.36 ($10.30) 10+ $8.34 ($9.17) 20+ $8.01 ($8.81) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	15µF	± 5%	-	450V	Quick Connect	14.4mm	20V/µs	36mm	70mm	4.16.10	-25°C	70°C

B32355C4255J019	2777630 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 2.5 µF, ± 5%, 400 V EPCOS You previously purchased this product. View in Order History	Each	1+ $11.25 ($12.38) 10+ $10.00 ($11.00) 50+ $8.76 ($9.64) 100+ $8.00 ($8.80) 500+ $6.88 ($7.57) 1000+ $6.38 ($7.02) 2500+ $6.26 ($6.89) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	2.5µF	± 5%	-	400V	Wire Leaded	-	-	25mm	51mm	B32355C	-25°C	100°C

C274AC35120AA0J	1789700 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 12 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $9.56 ($10.52) 10+ $7.71 ($8.48) 50+ $6.97 ($7.67) 86+ $5.88 ($6.47) 516+ $5.41 ($5.95) 1032+ $5.04 ($5.54) 2064+ $4.94 ($5.43) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	12µF	± 5%	Stud Mount - M8	470V	Quick Connect, Snap-In	13.4mm	20V/µs	35mm	73.5mm	C27 Series	-25°C	85°C

C878BF35200SA0J	2456886 Data Sheet Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 20 µF, ± 5%, Stud Mount - M8, 500 V KEMET You previously purchased this product. View in Order History	Each	1+ $23.65 ($26.02) 10+ $22.47 ($24.72) 50+ $18.92 ($20.81) 100+ $17.74 ($19.51) 500+ $15.73 ($17.30) 1000+ $14.92 ($16.41) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	20µF	± 5%	Stud Mount - M8	500V	Quick Connect	13.4mm	15V/µs	40mm	78mm	C87 Series	-25°C	85°C

C274ACF4300LF0J	1789687 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 3 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $10.92 ($12.01) 10+ $9.70 ($10.67) 50+ $8.49 ($9.34) 100+ $7.76 ($8.54) 486+ $6.69 ($7.36) 1134+ $6.20 ($6.82) 2106+ $6.08 ($6.69) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	3µF	± 5%	Stud Mount - M8	470V	Wire Leaded	-	20V/µs	25mm	58.5mm	C27 Series	-25°C	85°C

97F5706	1384458 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 6UF, 370V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $13.70 ($15.07) 10+ $13.44 ($14.78) 50+ $13.17 ($14.49)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	6µF	± 6%	Panel Mount	370V	Quick Connect	20.57mm	-	31.75mm	53.85mm	GEM III 97F5000 Series	-40°C	70°C

27L6014	1384423 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 6UF, 660V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $28.68 ($31.55) 10+ $26.92 ($29.61) 50+ $24.60 ($27.06)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	6µF	± 6%	Panel Mount	660V	Quick Connect	20.57mm	-	31.75mm	120.65mm	GEM III 27L Series	-40°C	70°C

97F8058	1786854 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 7.5UF, 370V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $22.28 ($24.51) 10+ $20.91 ($23.00) 25+ $19.11 ($21.02) 50+ $18.19 ($20.01) 100+ $17.41 ($19.15)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	7.5µF	± 6%	Panel Mount	370V	Quick Connect	20.57mm	-	31.75mm	73.16mm	GEM III 97F8000 Series	-40°C	70°C

97F8038	1384468 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 30UF, 240V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $38.85 ($42.74) 5+ $36.47 ($40.12) 10+ $33.33 ($36.66) 25+ $31.64 ($34.80) 50+ $30.37 ($33.41) 100+ $29.95 ($32.95) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	30µF	± 6%	Panel Mount	240V	Quick Connect	20.57mm	-	44.45mm	98.55mm	GEM III 97F8000 Series	-40°C	70°C

27L6073	5067029 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 15UF, 660V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $47.39 ($52.13) 5+ $44.50 ($48.95) 25+ $40.66 ($44.73)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	15µF	± 6%	Panel Mount	660V	Quick Connect	20.57mm	-	44.45mm	120.65mm	GEM III 27L Series	-40°C	70°C

27L567	1735992 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 15UF, 370V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $24.88 ($27.37) 10+ $23.36 ($25.70) 25+ $21.35 ($23.49) 50+ $20.26 ($22.29) 100+ $19.46 ($21.41)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	15µF	± 6%	Panel Mount	370V	Quick Connect	20.57mm	-	31.75mm	73.16mm	GEM III 27L Series	-40°C	70°C

97F8241	1384484 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 2UF, 600V, 6%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $22.78 ($25.06) 25+ $20.59 ($22.65) 50+ $18.29 ($20.12) 100+ $16.61 ($18.27) 250+ $14.81 ($16.29)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	2µF	± 6%	Panel Mount	600V	Quick Connect	20.57mm	-	31.75mm	53.85mm	GEM III 97F8200 Series	-40°C	70°C

97F8237RR	1381930 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 39.87UF, 480V, 4%, QC GENTEQ You previously purchased this product. View in Order History	Each	1+ $59.46 ($65.41) 10+ $55.82 ($61.40) 100+ $51.02 ($56.12)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	39.87µF	± 6%	Panel Mount	480V	Quick Connect	20.57mm	-	-	-	GEM III 97F8200 Series	-40°C	70°C

97F8251	1401520 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 15UF, 60 GENTEQ You previously purchased this product. View in Order History	Each	1+ $37.91 ($41.70) 5+ $35.58 ($39.14) 10+ $32.52 ($35.77) 25+ $30.87 ($33.96) 50+ $30.31 ($33.34)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	15µF	± 6%	Panel Mount	600V	Quick Connect	20.57mm	-	38.1mm	98.55mm	GEM III 97F8200 Series	-40°C	70°C

B33331I6705J080	4153262 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 7 µF, ± 5%, Stud Mount - M8, 450 V EPCOS You previously purchased this product. View in Order History	Each	1+ $12.84 ($14.12) 10+ $11.79 ($12.97) 50+ $10.16 ($11.18) 100+ $9.33 ($10.26) 200+ $8.14 ($8.95) 400+ $7.68 ($8.45) 2000+ $6.90 ($7.59) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	7µF	± 5%	Stud Mount - M8	450V	Quick Connect	-	10V/µs	30mm	55mm	B33331I6 Series	-40°C	85°C

4.16.10.08.14	121903802 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 5 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $7.91 ($8.70)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	5µF	± 5%	-	450V	Wire Leaded	-	20V/µs	28mm	55mm	4.16.10	-25°C	70°C

C878BF34400AA4J	1789708 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 4 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $9.17 ($10.09) 5+ $8.25 ($9.08) 10+ $7.47 ($8.22) 20+ $6.95 ($7.65) 40+ $6.37 ($7.01) 50+ $7.16 ($7.88) 86+ $6.24 ($6.86) 100+ $6.50 ($7.15) 250+ $5.80 ($6.38) 430+ $6.16 ($6.78) 500+ $5.60 ($6.16) 860+ $6.04 ($6.64) 1000+ $5.55 ($6.11) 2500+ $5.36 ($5.90) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	4µF	± 5%	Stud Mount - M8	470V	Quick Connect, Snap-In	13.4mm	15V/µs	30mm	48mm	C87 Series	-25°C	85°C

C274AC34500AA0J	1789696 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 5 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $6.19 ($6.81) 10+ $5.51 ($6.06) 50+ $4.83 ($5.31) 110+ $4.11 ($4.52) 550+ $3.37 ($3.71) 1100+ $3.24 ($3.56) 2090+ $3.18 ($3.50) 5060+ $3.11 ($3.42) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	5µF	± 5%	Stud Mount - M8	470V	Quick Connect, Snap-In	13.4mm	20V/µs	30mm	56.5mm	C27 Series	-25°C	85°C

MR/P/440/1.5/B	1190561 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 1.5 µF, ± 10%, Stud Mount - M8, 440 V LCR COMPONENTS You previously purchased this product. View in Order History	Each	1+ $6.85 ($7.54) 3+ $6.19 ($6.81) 5+ $5.50 ($6.05) 10+ $4.99 ($5.49) 20+ $4.45 ($4.90) 50+ $4.28 ($4.71) 250+ $4.14 ($4.55) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	1.5µF	± 10%	Panel Mount	440V	Wire Leaded	-	-	45mm	55mm	MR/P/440	-25°C	85°C