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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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	-	Can	-	-	-	-	-	-	-	-	-	-	-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
4.16.10.99.06	2829383 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 16 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $15.88 ($17.47) 5+ $14.35 ($15.79) 10+ $12.71 ($13.98) 25+ $11.51 ($12.66) 50+ $10.39 ($11.43) 100+ $9.93 ($10.92) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	70°C
4.16.10.13.64	121905501 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+ $5.62 ($6.18)	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

MR15/420B 15UF/440VAC	1190543 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 15 µF, ± 10%, Stud Mount - M8, 440 V LCR COMPONENTS You previously purchased this product. View in Order History	Each	1+ $9.36 ($10.30)	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	± 10%	Stud Mount - M8	440V	Quick Connect	-	-	45mm	45mm	MR/A/440	-25°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

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

4.16.10.99.06	282938302 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 16 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $10.89 ($11.98)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	70°C

4.16.10.99.06	282938301 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 16 µF, ± 5%, 450 V DUCATI You previously purchased this product. View in Order History	Each	1+ $10.89 ($11.98)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	70°C

4.16.10.06.14	121903701 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+ $7.01 ($7.71)	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

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	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	70°C

27L6014	138442301 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 6UF, 660 GENTEQ You previously purchased this product. View in Order History	Each	1+ $22.49 ($24.74)	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

97F5706	138445801 Data Sheet + RoHS	CAPACITOR POLYPROPYLENE PP FILM 6UF, 370 GENTEQ You previously purchased this product. View in Order History	Each	1+ $13.43 ($14.77)	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

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%	Stud Mount - M8	440V	Wire Leaded	-	-	30mm	56mm	MR/P/440	-25°C	85°C

C276CC35400AA0J	2456872 Data Sheet Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 40 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $17.65 ($19.42)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	40µF	± 5%	Stud Mount - M8	470V	Quick Connect	13.4mm	15V/µs	45mm	93mm	C27 Series	-25°C	85°C

MR/P/440/20/C	1190558 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 20 µF, ± 10%, Stud Mount - M8, 440 V LCR COMPONENTS You previously purchased this product. View in Order History	Each	1+ $18.86 ($20.75) 3+ $17.05 ($18.76) 5+ $15.14 ($16.65)	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	± 10%	Stud Mount - M8	440V	Quick Connect	-	-	45mm	98mm	MR/P/440	-25°C	85°C

MR/P/440/25/C	1190559 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 25 µF, ± 10%, Stud Mount - M8, 440 V LCR COMPONENTS You previously purchased this product. View in Order History	Each	1+ $22.35 ($24.59) 3+ $20.20 ($22.22) 5+ $17.95 ($19.75) 10+ $16.29 ($17.92)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	85°C

C274ACF4800LF0J	2985086 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 8 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $10.79 ($11.87) 5+ $9.76 ($10.74) 10+ $8.77 ($9.65) 20+ $8.40 ($9.24) 40+ $7.42 ($8.16) 86+ $7.12 ($7.83) 430+ $7.04 ($7.74) 860+ $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	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	85°C

C276CCF5400LG0J	2456871 Data Sheet Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 40 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $26.63 ($29.29) 10+ $25.31 ($27.84) 50+ $21.31 ($23.44) 100+ $19.98 ($21.98) 500+ $18.71 ($20.58)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	40µF	± 5%	Stud Mount - M8	470V	Wire Leaded	-	15V/µs	45mm	95.5mm	C27 Series	-25°C	85°C

C276CCF4400LG0J	2456853 Data Sheet 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+ $10.24 ($11.26) 10+ $8.87 ($9.76) 50+ $7.98 ($8.78) 100+ $7.28 ($8.01) 486+ $5.90 ($6.49) 1134+ $5.90 ($6.49) 2106+ $5.79 ($6.37) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	85°C

C274ACF5300LF0J	2985089 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 30 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $25.15 ($27.67) 3+ $22.74 ($25.01) 5+ $20.45 ($22.50) 10+ $19.57 ($21.53) 20+ $17.30 ($19.03) 50+ $16.60 ($18.26) 250+ $16.41 ($18.05) 500+ $16.09 ($17.70) 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	± 5%	Stud Mount - M8	470V	Wire Leaded	-	20V/µs	45mm	93mm	C27 Series	-25°C	85°C

C274ACF5350WA0J	2429314 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 35 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $27.04 ($29.74) 10+ $26.09 ($28.70) 40+ $23.02 ($25.32) 120+ $21.70 ($23.87) 520+ $19.54 ($21.49)	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	Metallized PP	Can	35µF	± 5%	Stud Mount - M8	470V	Wire Leaded	-	20V/µs	50mm	93mm	C27 Series	-25°C	85°C

C274AC35350AA0J	2985091 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 35 µF, ± 5%, Stud Mount - M8, 470 V KEMET You previously purchased this product. View in Order History	Each	1+ $16.93 ($18.62) 3+ $15.30 ($16.83) 5+ $13.76 ($15.14) 10+ $13.17 ($14.49) 20+ $11.64 ($12.80) 50+ $11.17 ($12.29) 250+ $11.04 ($12.14) 500+ $10.82 ($11.90) 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	35µF	± 5%	Stud Mount - M8	470V	Quick Connect	13.4mm	20V/µs	50mm	95mm	C27 Series	-25°C	85°C

MR/P/440/8/C	1190555 Data Sheet + RoHS	Motor Run Capacitor, Metallized PP, Can, 8 µF, ± 10%, Stud Mount - M8, 440 V LCR COMPONENTS You previously purchased this product. View in Order History	Each	1+ $10.77 ($11.85) 5+ $9.74 ($10.71) 10+ $8.64 ($9.50) 20+ $7.85 ($8.64) 40+ $7.00 ($7.70) 100+ $6.73 ($7.40) 500+ $6.50 ($7.15) More Pricing...	Restricted Item Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Add Min: 1 Mult: 1	-	Can	-	-	-	-	-	-	-	-	-	-	-25°C	85°C