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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TE Connectivity, KEV 16A 520 V ac 50/60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4400 製造零件編號 15KEVD10BFPW 个 (以毎盒：6) HK$2,408.933 數量	TE Connectivity	16A	520 V ac	Chassis Mount	Terminal Block	3	Two Stage	KEV	50/60Hz	-	-	-	-	-	-	10 mA	-25°C	+85°C	-	-
TE Connectivity, KEV 150A 520 V ac 50/60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4410 製造零件編號 150KEVD10BFPW 个 HK$9,153.30 數量	TE Connectivity	150A	520 V ac	Chassis Mount	Terminal Block	3	Two Stage	KEV	50/60Hz	-	-	-	-	-	-	15 mA	-25°C	+85°C	-	-
TE Connectivity, KEP-BS 75A 520 V ac 50 → 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4487 製造零件編號 75KEPS10BBSW 个 HK$3,468.50 數量	TE Connectivity	75A	520 V ac	Chassis Mount	Terminal Block	3	Single Stage	KEP-BS	50 → 60Hz	-	-	-	-	-	-	6 mA	-25°C	+85°C	-	-
Schaffner, FN402 500mA 250 V ac 60Hz, PCB Mount EMI Filter, Pin, Single Phase RS庫存編號 217-0741 製造零件編號 FN402-0.5-02 个 HK$80.60 數量	Schaffner	500mA	250 V ac	PCB Mount	Pin	1	Single Stage	FN402	60Hz	45mm	28mm	2.2 nF, 100nF	16.5mm	45 x 28 x 16.5mm	40 mH	0.373 mA	-25°C	+100°C	-	1MΩ
TE Connectivity, KEM-BS 100A 520 V ac 50 → 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4480 製造零件編號 100KEMS10BBSD 个 (以毎盒：3) HK$3,950.50 數量	TE Connectivity	100A	520 V ac	Chassis Mount	Terminal Block	3	Single Stage	KEM-BS	50 → 60Hz	-	-	-	-	-	-	18 mA	-25°C	+85°C	-	-
EPCOS, B84142B*R000 25A 250 V ac/dc 60Hz, Screw Mount EMC Filter, Terminal Block, Single Phase RS庫存編號 213-8416 製造零件編號 B84142B0025R000 个 HK$1,698.80 數量	EPCOS	25A	250 V ac	Screw Mount	Terminal Block	1	-	B84142B*R000	60Hz	113mm	206mm	-	81mm	113 x 206 x 81mm	-	2.77 mA	-25°C	+100°C	-	9mΩ
TE Connectivity, KEV-BS 30A 520 V ac 50 → 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4466 製造零件編號 30KEVD10BBSW 个 (以毎盒：6) HK$2,504.917 數量	TE Connectivity	30A	520 V ac	Chassis Mount	Terminal Block	3	-	KEV-BS	50 → 60Hz	-	-	-	-	-	-	5 mA	-25°C	+85°C	-	-
Omron 230 V RFI Filter 3 Phase RS庫存編號 215-3330 製造零件編號 Q2-FIA4035-SE 个 HK$1,311.00 數量	Omron	-	230 V	-	-	3	-	-	-	260mm	-	-	-	-	-	-	-	-	-	-
Bourns, DR334A 500mA 42 V ac, 80 V dc 10000Hz, Panel Mount Power Line Filter, Single Phase RS庫存編號 218-6276 製造零件編號 DR334A-513AE 个 HK$7.74 數量	Bourns	500mA	42 V ac, 80 V dc	Panel Mount	-	1	-	DR334A	10000Hz	-	-	-	-	-	-	-	-	-	-	-
TE Connectivity, KEP-BS 30A 520 V ac 50 → 60Hz, Chassis Mount EMI Filter, Terminal Block 3 Phase RS庫存編號 209-4484 製造零件編號 30KEPS10BBSW 个 (以毎盒：15) HK$2,312.527 數量	TE Connectivity	30A	520 V ac	Chassis Mount	Terminal Block	3	Single Stage	KEP-BS	50 → 60Hz	-	-	-	-	-	-	5 mA	-25°C	+85°C	-	-
Omron, A1000 RFI Filter RS庫存編號 215-8149 製造零件編號 A1000-FIA3044-SE 个 HK$2,809.50 數量	Omron	-	-	-	-	-	-	A1000	-	-	-	-	-	-	-	-	-	-	-	-
Schaffner, FN402 4A 250 V ac 400Hz, PCB Mount EMI Filter, Pin, Single Phase RS庫存編號 217-0791 製造零件編號 FN402-4-02 个 HK$89.10 數量	Schaffner	4A	250 V ac	PCB Mount	Pin	1	Single Stage	FN402	400Hz	45mm	28mm	2.2 nF, 100nF	16.5mm	45 x 28 x 16.5mm	1 mH	0.373 mA	-25°C	+100°C	-	1MΩ
Schurter, 3-123 36A 520/760 V ac 60Hz, Chassis Mount Power Line Filter 3 Phase RS庫存編號 221-5558 製造零件編號 3-123-461 个 HK$894.20 數量	Schurter	36A	520/760 V ac	Chassis Mount	-	3	-	3-123	60Hz	-	-	-	-	-	-	-	-	-	-	-
Schaffner, FN2060 1A 250 V ac/dc 400Hz, Chassis Mount EMI Filter, Fast-On, Single Phase RS庫存編號 219-2870 製造零件編號 FN2060-1-06 个 HK$155.00 數量	Schaffner	1A	250 V ac	Chassis Mount	Fast-On	1	Two Stage	FN2060	400Hz	46.6mm	71mm	4.7 nF, 220nF	29.3mm	46.6 x 71 x 29.3mm	12 mH	0.734 mA	-25°C	+100°C	-	1MΩ
Murata, BNX 15A 50 V dc 1MHz → 1GHz, Through Hole EMI Filter, Pin RS庫存編號 216-6041 製造零件編號 BNX005-11 个 (以毎盒：100) HK$49.818 數量	Murata	15A	50 V dc	Through Hole	Pin	-	-	BNX	1MHz → 1GHz	-	-	-	-	-	-	-	-	-	-	-
Murata, BNX 15A 50 V dc 1MHz → 1GHz, Through Hole EMI Filter, Pin RS庫存編號 216-6042 製造零件編號 BNX005-11 个 HK$75.70 數量	Murata	15A	50 V dc	Through Hole	Pin	-	-	BNX	1MHz → 1GHz	-	-	-	-	-	-	-	-	-	-	-
Schaffner, FN402 1A 250 V ac 400Hz, PCB Mount EMI Filter, Pin, Single Phase RS庫存編號 217-0757 製造零件編號 FN402-1-02 个 HK$79.50 數量	Schaffner	1A	250 V ac	PCB Mount	Pin	1	Single Stage	FN402	400Hz	45mm	28mm	2.2 nF, 100nF	16.5mm	45 x 28 x 16.5mm	10 mH	0.373 mA	-25°C	+100°C	-	1MΩ
TDK-Lambda 6A 250 V ac, Panel Mount EMC Filter, Screw, Single Phase RS庫存編號 238-0217 製造零件編號 RSEN-2006L 个 HK$152.70 數量	TDK-Lambda	6A	250 V ac	Panel Mount	Screw	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-
TE Connectivity, EVX 600A 1.5 kV dc, Flange Mount, Panel Mount EMI Filter, Busbar RS庫存編號 274-8245 製造零件編號 1-2443555-4 个 HK$8,037.90 數量	TE Connectivity	600A	1.5 kV dc	Flange Mount, Panel Mount	Busbar	-	-	EVX	-	-	-	-	-	-	-	-	-	-	-	-
KEMET 40A 500 V ac, Chassis Mount EMI Filter, Screw 3 Phase RS庫存編號 242-0943 製造零件編號 GTX-3400-Y473 个 HK$1,607.20 數量	KEMET	40A	500 V ac	Chassis Mount	Screw	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-