Power Factor Correction Capacitors

The power factor of a circuit, for individual equipment or for a larger power supply, is the measure used to determine the efficiency of the circuit. It is calculated using the real power (kW) and reactive power (kVAr) of a circuit, with the real power being that which is actually used to complete the task at hand and the reactive power being that which does not contribute to the task. The higher the power factor (between 0 and 1), the more efficient the circuit, with anything above 0.95 being considered highly efficient. For larger-scale circuits with a higher power load, such as a building's power supply, having a higher power factor results in lower excess charges from power suppliers.

What are power factor correction capacitors?

Power factor correction capacitors are used to increase the power factor of a circuit, bringing the measure closer to 1 and making the system more efficient. Capacitors are used when a lagging current - which is often found in inductive load circuits such as AC induction motors, arc welders, fluorescent lighting and air conditioning - causes the current and voltage to fall out of phase with each other and therefore generates more reactive power. Capacitors correct these variations in current and voltage input, bringing the two back to being closer in phase and improving the efficiency.

RS Components offer a range of power factor correction capacitors from industry-leading brands, including EPCOS, KEMET, Vishay and Wurth Elektronik.

Why is power factor correction important?

Power factor correction has many benefits on both the electrical systems being supplied and the bill payers. By bringing the efficiency up and reducing reactive power, grid instability can be reduced, as can costs. By reducing the reactive power generated in a system or piece of equipment, general power consumption will also decrease and this in turn leads to cost savings. Electricity bills for larger companies and factories can include additional charges, including capacitor charges and reactive power charges, which will also come down when power factor correction equipment is applied.


...
Read more Read less

Filters

Viewing 1 - 20 of 172 products
Results per page
Description Price Voltage kvar 50Hz kvar 60Hz Number of Phases Capacitance Dielectric Material Mounting Type Series Length Width Height Minimum Operating Temperature Maximum Operating Temperature Tolerance Minus
RS Stock No. 136-4928
Mfr. Part No.B25675A4252J080
BrandEPCOS
PHP10,354.878
Each (In a Box of 4)
units
480V ac 25kvar 30kvar - 3 x 115.1µF - Stud Mount MKK - - 192mm -40°C +60°C -5%
RS Stock No. 192-3549
Mfr. Part No.B25161L0012M000
BrandEPCOS
PHP27,070.822
Each (In a Box of 10)
units
3.6kV ac - - 1 125nF Polypropylene Stud Mount MV APP 200mm 115mm 375mm -25°C - -
RS Stock No. 136-4931
Mfr. Part No.B25675A5122J525
BrandEPCOS
PHP5,875.117
Each (In a Box of 9)
units
525V ac 12.5kvar 15kvar - 3 x 48.1µF - Stud Mount MKK - - 200mm -40°C +60°C -5%
New
RS Stock No. 211-2684
Mfr. Part No.BLRCH063A075B40
PHP2,984.013
Each (In a Pack of 3)
units
400V ac 6.3kvar 7.5kvar 3 - - - - - - - - - -
New
RS Stock No. 211-2820
Mfr. Part No.VLVAW0N03503AA
PHP181,338.74
Each
units
400V ac 22kvar - 3 - - - - - - - - - -
RS Stock No. 136-4932
Mfr. Part No.B25675A5152J025
BrandEPCOS
PHP6,165.16
Each (In a Box of 4)
units
525V ac 15kvar 18kvar - 3x 57.7µF - Stud Mount MKK - - 218mm -40°C +60°C -5%
RS Stock No. 136-5121
Mfr. Part No.C9TS6MD6110AARX
BrandKEMET
PHP4,012.204
Each (In a Box of 12)
units
440V ac - - - 3 x 110µF - Stud Mount C9T - - 280mm -25°C +55°C -
RS Stock No. 187-5389
Mfr. Part No.PhMKP525.3.20,00-S84
BrandVishay
PHP10,032.45
Each
units
525V ac 20kvar - 3 3 x 77µF Polypropylene Stud Mount PhMKP - 88.2mm 265mm - +65°C -5%
RS Stock No. 192-3550
Mfr. Part No.B25161L0012O000
BrandEPCOS
PHP27,860.183
Each (In a Box of 10)
units
12kV ac - - 3 125nF Polypropylene Stud Mount MV APP 470mm 115mm 400mm -25°C - -
RS Stock No. 187-5370
Mfr. Part No.PhMKP440.3.25,00-S84
BrandVishay
PHP17,944.07
Each (In a Box of 4)
units
440V ac 25kvar - 3 3 x 137µF Polypropylene Stud Mount PhMKP - 88.2mm 265mm - +65°C -5%
RS Stock No. 136-5110
Mfr. Part No.C9TS5MD5920AARX
BrandKEMET
PHP3,804.533
Each (In a Box of 9)
units
415V ac - - - 3 x 92.2µF - Stud Mount C9T - - 230mm -25°C +55°C -
RS Stock No. 136-5111
Mfr. Part No.C9TS5MD6108AARX
BrandKEMET
PHP3,268.618
Each (In a Box of 12)
units
415V ac - - - 3 x 108µF - Stud Mount C9T - - 280mm -25°C +55°C -5%
New
RS Stock No. 211-2687
Mfr. Part No.BLRCH125A150B40
PHP5,593.79
Each
units
400V ac 12.5kvar 15kvar 3 - - - - - - - - - -
RS Stock No. 136-6312
Mfr. Part No.B25675A4302J040
BrandEPCOS
PHP11,383.08
Each
units
440V ac 30kvar - - 3 x 164.4µF - Stud Mount MKK - - 192mm -40°C +60°C -5%
RS Stock No. 136-6320
Mfr. Part No.B25675A4152J080
BrandEPCOS
PHP6,924.81
Each
units
480V ac 15kvar 18kvar - 3 x 69.1µF - Stud Mount MKK - - 207mm -40°C +60°C -5%
RS Stock No. 192-3554
Mfr. Part No.B25161L0050O000
BrandEPCOS
PHP76,258.283
Each (In a Box of 10)
units
12kV ac - - 3 500nF Polypropylene Stud Mount MV APP 470mm 115mm 600mm -25°C - -
RS Stock No. 192-3577
Mfr. Part No.B32305A4332B080
BrandEPCOS
PHP12,354.83
Each (In a Box of 4)
units
480V ac - - 3 152µF Polypropylene Stud Mount MKD - 136 Dia.mm 230mm -40°C +65°C -5%
RS Stock No. 187-5375
Mfr. Part No.PhMKP660.3.22,90-S84
BrandVishay
PHP18,756.958
Each (In a Box of 4)
units
660V ac 22.9kvar - 3 3 x 55.8µF Polypropylene Stud Mount PhMKP - 88.2mm 340mm - +65°C -5%
RS Stock No. 192-3570
Mfr. Part No.B32305A4252B040
BrandEPCOS
PHP7,987.235
Each (In a Box of 4)
units
440V ac - - 3 137µF Polypropylene Stud Mount MKD - 136 Dia.mm 245mm -40°C +65°C -5%
RS Stock No. 192-3547
Mfr. Part No.B25161L0010M000
BrandEPCOS
PHP27,860.183
Each (In a Box of 10)
units
3.6kV ac - - 1 100nF Polypropylene Stud Mount MV APP 200mm 115mm 375mm -25°C - -