Power Line Filters

A power line filter is a type of passive component that creates an electronic filter to deliver appropriate frequency characteristics to electrical circuits. Power line filters connect the electronic device with an external line to reduce conducted frequencies like radio frequencies (RFI) or electromagnetic interference (EMI) between the equipment and the connecting power line. This prevents any degradation in the circuit's performance.

RS offer an extensive range of high-quality power line filters from leading brands including Schaffner, Roxburgh EMC, Murata, Schurter and of course RS PRO.

What are power line filters used for?

Power line filters are useful in emission reduction in switched-mode power supplies or machinery producing steam, smoke or carbon dioxide. These filters are also necessary to decrease levels of electromagnetic interference which may cause undesired behaviour in radio transmission equipment and nuclear operations.

Types of power line filters

Power line filters can be used in single-phase, three-phase or DC (direct current) power applications, depending on the equipment in question. Electric and electronic devices like switched-mode power supplies, motor controllers, induction cooking and food service equipment make use of single-phase filters. Three-phase filters are common in frequency converters, motor drives, and machine tools. DC filters are typically found in cell phones, flat-screen TVs and electric or hybrid vehicles.

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EPCOS, B84143 100A 530 V 50 Hz, 60 Hz, Chassis Mount Power Line Filter, Solder 3 Phase RS庫存編號 280-4941 製造零件編號 B84143B1000S020 个 HK$16,051.60 數量	EPCOS	100A	530 V	Chassis Mount	Solder	3	-	B84143	50 Hz, 60 Hz	-	-	-	-	-	-	-	-	-	-	-
Schurter, FMBB NEO 4A 250 V ac 50Hz, Screw Mount RFI Filter, Quick Connect, Single Phase RS庫存編號 890-4014 製造零件編號 5500.2632.01 个 HK$117.90 數量	Schurter	4A	250 V ac	Screw Mount	Quick Connect	1	Single Stage	FMBB NEO	50 Hz, 60Hz	64mm	44mm	-	24.8mm	64 x 44 x 24.8mm	-	0.5 mA	-25°C	+100°C	-	53mΩ
EPCOS, B84143A*R106 50A 520 V ac 50 → 60Hz, Flange Mount EMC Filter, Screw 3 Phase RS庫存編號 167-8203 製造零件編號 B84143A0050R106 个 (以毎盒：2) HK$1,552.85 數量	EPCOS	50A	520 V ac	Flange Mount	Screw	3	Single Stage	B84143A*R106	50 → 60Hz	217mm	84.5mm	-	80mm	217 x 84.5 x 80mm	-	3.4 mA	-25°C	+100°C	-	1.1mΩ
KEMET, FLLE2-Q 16A 300 V ac/dc 50-60Hz, Chassis Mount EMI Filter, Single Phase RS庫存編號 207-7461 製造零件編號 FLLE2016AQDB 个 (以毎盒：18) HK$227.656 數量	KEMET	16A	300 V ac/dc	Chassis Mount	-	1	-	FLLE2-Q	50-60Hz	-	-	-	-	-	-	-	-	-	-	-
Eaton, DX 19A 520 V, Base Mount RFI Filter, Stud 3 Phase RS庫存編號 127-315 製造零件編號 179612 DX-EMC34-019-FS3-L 个 HK$1,794.80 數量	Eaton	19A	520 V	Base Mount	Stud	3	-	DX	-	-	-	-	-	-	-	-	-	-	-	-
TE Connectivity, CORCOM RPQ 750A 480 V ac 50 / 60Hz, Chassis Mount Power Line Filter, Busbar 3 Phase RS庫存編號 287-1347 製造零件編號 5-2432409-4 个 HK$44,036.10 數量	TE Connectivity	750A	480 V ac	Chassis Mount	Busbar	3	-	CORCOM RPQ	50 / 60Hz	-	-	-	-	-	-	-	-	-	-	-
TE Connectivity, CORCOM RPQ 25A 250 V ac 50Hz, Chassis Mount Power Line Filter, Terminal Block, Single Phase RS庫存編號 287-1294 製造零件編號 2432408-8 个 (以毎盒：5) HK$1,913.72 數量	TE Connectivity	25A	250 V ac	Chassis Mount	Terminal Block	1	-	CORCOM RPQ	50Hz	-	-	-	-	-	-	-	-	-	-	-
EPCOS, B84243A 60A 530 V ac 50Hz, Chassis Mount EMC Filter, Terminal Block 3 Phase RS庫存編號 887-6509P 製造零件編號 B84243A8060W000 个 (以每盒裝提供) HK$2,774.70 數量	EPCOS	60A	530 V ac	Chassis Mount	Terminal Block	3	Single Stage	B84243A	50 Hz, 60Hz	250mm	85mm	-	120mm	250 x 85 x 120mm	-	4.8 mA	-25°C	+100°C	-	1.5mΩ
Wurth Elektronik, WE-CMDC 4.5A 80 V dc, SMD EMC Filter, Single Phase RS庫存編號 253-3806 製造零件編號 744237152 个（每带 500 ） HK$13.231 數量	Wurth Elektronik	4.5A	80 V dc	Surface Mount	-	1	-	WE-CMDC	-	-	-	-	-	-	-	-	-	-	-	-
Eaton, DX 750A 520 V, Stud Mount RFI Filter, Flat 3 Phase RS庫存編號 125-052 製造零件編號 177637 DX-EMC34-750-L 个 HK$22,912.80 數量	Eaton	750A	520 V	Stud Mount	Flat	3	-	DX	-	-	-	-	-	-	-	-	-	-	-	-
Eaton, DX 14A 240 V, Base Mount RFI Filter, Stud, Single Phase RS庫存編號 123-485 製造零件編號 172273 DX-EMC12-014-FS1 个 HK$864.70 數量	Eaton	14A	240 V	Base Mount	Stud	1	-	DX	-	-	-	-	-	-	-	-	-	-	-	-
EPCOS, B84144A*R120 25A 520 V ac 50 → 60Hz, Flange Mount EMC Filter, Screw 3 Phase RS庫存編號 167-8401 製造零件編號 B84144A0025R120 个 (以毎盒：6) HK$1,726.90 數量	EPCOS	25A	520 V ac	Flange Mount	Screw	3	Single Stage	B84144A*R120	50 → 60Hz	80mm	238mm	-	60mm	80 x 238 x 60mm	-	9.4 mA	-25°C	+100°C	-	3.9mΩ
EPCOS, B84112G 10A 250 V ac/dc 50 → 60Hz, Chassis Mount EMC Filter, Lug, Tab Connector, Single Phase RS庫存編號 170-1340 製造零件編號 B84112G0000M110 个（每带 24 ） HK$202.792 數量	EPCOS	10A	250 V ac/dc	Chassis Mount	Lug, Tab Connector	1	Single Stage	B84112G	50 → 60Hz	63mm	51mm	0.68 x 2µF	29mm	63 x 51 x 29mm	1.8 x 2 mH	0 mA	-25°C	+100°C	-	-
Schaffner, FN3288 25A 530/305 V ac 60Hz, Chassis Mount EMC Filter, Terminal Block 3 Phase RS庫存編號 184-7600 製造零件編號 FN3288-25-33-C26-R65 个 (以毎盒：7) HK$1,334.543 數量	Schaffner	25A	530/305 V ac	Chassis Mount	Terminal Block	3	-	FN3288	60Hz	210mm	45mm	-	145mm	210 x 45 x 145mm	-	2.5 mA	-40°C	+100°C	-	-
Schurter, FMAD 6A 480 V ac 50 → 60Hz, Screw Mount RFI Filter, Screw 3 Phase RS庫存編號 782-4159 製造零件編號 FMAD-0924-0610 个 HK$1,225.20 數量	Schurter	6A	480 V ac	Screw Mount	Screw	3	Single Stage	FMAD	50 → 60Hz	-	-	1 μF, 100nF	-	-	9 mH	< 5 mA	-25°C	+100°C	-	27mΩ
Bourns, DR334A 500mA 42 V ac, 80 V dc 10000Hz, Panel Mount Power Line Filter, Single Phase RS庫存編號 218-6267 製造零件編號 DR334A-113BE 个（每带 1500 ） HK$4.523 數量	Bourns	500mA	42 V ac, 80 V dc	Panel Mount	-	1	-	DR334A	10000Hz	-	-	-	-	-	-	-	-	-	-	-
Bourns, DR334A 500mA 42 V ac, 80 V dc 10000Hz, Panel Mount Power Line Filter, Single Phase RS庫存編號 218-6276P 製造零件編號 DR334A-513AE 个 (以每卷裝提供) HK$7.74 數量	Bourns	500mA	42 V ac, 80 V dc	Panel Mount	-	1	-	DR334A	10000Hz	-	-	-	-	-	-	-	-	-	-	-
Cosel, EAP Series 6A 250 V 60Hz, DIN Rail Power Line Filter, DIN Connector, Single Phase RS庫存編號 220-151 製造零件編號 EAP-06-472-D 个 HK$137.00 數量	Cosel	6A	250 V	DIN Rail	DIN Connector	1	-	EAP Series	60Hz	-	-	-	-	-	-	-	-	-	-	-
Schaffner, FN3280 8A 520/300 V ac 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 708-4305 製造零件編號 FN3280H-8-29 个 HK$1,415.10 數量	Schaffner	8A	520 V ac	Chassis Mount	Terminal Block	3	-	FN3280	60Hz	143mm	142.8mm	-	80mm	143 x 142.8 x 80mm	-	1 mA	-25°C	+100°C	-	-
EPCOS, B84112G 12A 250 V ac/dc 50 → 60Hz, Chassis Mount EMC Filter, Tab, Single Phase RS庫存編號 887-6482P 製造零件編號 B84112G0000B112 个 (以每盒裝提供) HK$190.10 數量	EPCOS	12A	250 V ac/dc	Chassis Mount	Tab	1	Single Stage	B84112G	50 → 60Hz	84.7mm	52mm	0.68 x 2 μF, 4700 x 2pF	29mm	84.7 x 52 x 29mm	1.6 x 2 mH	0.369 mA	-25°C	+100°C	-	-