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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX REX22D-TD1-100-DC24V-12A/16A/20A-E E-T-A 1: 96,81 € 5In Stock New Product	Mfr. Part No. REX22D-TD1-100-DC24V-12A/16A/20A-E Mouser Part No 457-REX22DTD1121620E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	5In Stock	96,81 € 81,73 € 65,47 € 64,95 € View 62,57 € Quote	Min.: 1 Mult.: 1
Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R BR24L70RP Eaton Electrical 1: 317,24 € 1In Stock New Product	Mfr. Part No. BR24L70RP Mouser Part No 504-BR24L70RP New Product	Eaton Electrical	Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R	Datasheet	1In Stock	317,24 € 221,62 € 206,85 € 199,63 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES PDGXAC Eaton Electrical 1: 192,76 € 4In Stock 7Expected 11/20/2026 New Product	Mfr. Part No. PDGXAC Mouser Part No 504-PDGXAC New Product	Eaton Electrical	Circuit Breaker Accessories PD AUX&ALM SW 1NO/1NC PIGTAIL-30 INCHES	Datasheet	4In Stock 7Expected 11/20/2026	192,76 € 159,76 € 147,28 € 121,67 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 2K1 2% blk 0.4e/1e A NTCLE213E3212GMB0A Vishay / BC Components 1: 1,06 € 1.960In Stock New Product	Mfr. Part No. NTCLE213E3212GMB0A Mouser Part No 594-NTCLE23E322GMB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 2K1 2% blk 0.4e/1e A	Datasheet	1.960In Stock	1,06 € 0,792 € 0,634 € 0,596 € View 0,581 € 0,488 € 0,453 € 0,402 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F In/Out Coax RF Surge Protector, DC - 3GHz and 1GHz - 2GHz, DC Pass, 2kW, None, 150 V Max., 5kA, Gas Discharge Tube PE7301-2 Pasternack 1: 257,16 € 3In Stock New Product	Mfr. Part No. PE7301-2 Mouser Part No 28-PE7301-2 New Product	Pasternack	Connectorised Surge Protectors Type N F/F In/Out Coax RF Surge Protector, DC - 3GHz and 1GHz - 2GHz, DC Pass, 2kW, None, 150 V Max., 5kA, Gas Discharge Tube Learn More about Pasternack rf coaxial lightning surge protectors	Datasheet	3In Stock	257,16 € 244,51 € 239,84 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit 108-1019A PolyPhaser 1: 166,01 € 4In Stock New Product	Mfr. Part No. 108-1019A Mouser Part No 44-108-1019A New Product	PolyPhaser	Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit	Datasheet	4In Stock	166,01 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXZ+15NFNF-A PolyPhaser 1: 146,57 € 7In Stock 26On Order New Product	Mfr. Part No. CGXZ+15NFNF-A Mouser Part No 44-CGXZ+15NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	7In Stock 26On Order On Order Ship Dates Mfr. No: CGXZ+15NFNF-A Stock: 7 Can Dispatch Immediately On Order: 5 Expected 11/5/2026 11 Expected 11/13/2026 10 Expected 11/27/2026 Factory Lead Time: 3 Weeks	146,57 € 139,02 €	Min.: 1 Mult.: 1
Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors GSA-KIT-D PolyPhaser 1: 69,57 € 5In Stock New Product	Mfr. Part No. GSA-KIT-D Mouser Part No 44-GSA-KIT-D New Product	PolyPhaser	Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors Learn More about PolyPhaser surge protector accessories	Datasheet	5In Stock	69,57 € 65,99 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2-ME PolyPhaser 1: 73,27 € 10In Stock New Product	Mfr. Part No. IS-50NX-C2-ME Mouser Part No 44-IS-50NX-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	10In Stock	73,27 € 69,50 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50UX-C1-ME PolyPhaser 1: 96,23 € 4In Stock New Product	Mfr. Part No. IS-50UX-C1-ME Mouser Part No 44-IS-50UX-C1-ME New Product	PolyPhaser	Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount	Datasheet	4In Stock	96,23 € 91,27 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C2-ME PolyPhaser 1: 78,46 € 7In Stock New Product	Mfr. Part No. IS-B50LN-C2-ME Mouser Part No 44-IS-B50LN-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	7In Stock	78,46 € 74,42 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount IS-NEMP-C2 PolyPhaser 1: 161,38 € 1In Stock 9Expected 11/19/2026 New Product	Mfr. Part No. IS-NEMP-C2 Mouser Part No 44-IS-NEMP-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	1In Stock 9Expected 11/19/2026	161,38 € 153,06 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B IX-2M PolyPhaser 1: 136,21 € 3In Stock New Product	Mfr. Part No. IX-2M Mouser Part No 44-IX-2M New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B Learn More about PolyPhaser ix 2m lightning surge protectors	Datasheet	3In Stock	136,21 € 129,19 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter LSXL PolyPhaser 1: 116,95 € 7In Stock New Product	Mfr. Part No. LSXL Mouser Part No 44-LSXL New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	7In Stock	116,95 € 110,93 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube RGT PolyPhaser 1: 112,51 € 7In Stock New Product	Mfr. Part No. RGT Mouser Part No 44-RGT New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	7In Stock	112,51 € 106,72 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA RRF-160-NFF PolyPhaser 1: 320,15 € 1In Stock New Product	Mfr. Part No. RRF-160-NFF Mouser Part No 44-RRF-160-NFF New Product	PolyPhaser	Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA	Datasheet	1In Stock	320,15 € 306,62 €	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX REX22D-TD1-100-DC24V-10A/16A/20A-E E-T-A 1: 96,81 € 8In Stock New Product	Mfr. Part No. REX22D-TD1-100-DC24V-10A/16A/20A-E Mouser Part No 457-REX22DTD1101620E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	8In Stock	96,81 € 81,73 € 65,47 € 64,95 € View 62,57 € Quote	Min.: 1 Mult.: 1
Circuit Breakers GWF 3P 40A CIRCUIT BKR FXD TMNETIC, 25kA GWF3040 Eaton Electrical 1: 822,63 € 1In Stock New Product	Mfr. Part No. GWF3040 Mouser Part No 504-GWF3040 New Product	Eaton Electrical	Circuit Breakers GWF 3P 40A CIRCUIT BKR FXD TMNETIC, 25kA		1In Stock	822,63 €	Min.: 1 Mult.: 1
Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU PDG13M0045VFFJ Eaton Electrical 1: 655,52 € 1In Stock New Product	Mfr. Part No. PDG13M0045VFFJ Mouser Part No 504-PDG13M0045VFFJ New Product	Eaton Electrical	Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU	Datasheet	1In Stock	655,52 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU PDG22M0125TFFL Eaton Electrical 1: 910,10 € 1In Stock New Product	Mfr. Part No. PDG22M0125TFFL Mouser Part No 504-PDG22M0125TFFL New Product	Eaton Electrical	Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU	Datasheet	1In Stock	910,10 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU PDG23M0060TFFL Eaton Electrical 1: 673,35 € 1In Stock New Product	Mfr. Part No. PDG23M0060TFFL Mouser Part No 504-PDG23M0060TFFL New Product	Eaton Electrical	Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU	Datasheet	1In Stock	673,35 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor 111-1010 PolyPhaser 1: 100,67 € 10In Stock New Product	Mfr. Part No. 111-1010 Mouser Part No 44-111-1010 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor	Datasheet	10In Stock	100,67 € 95,49 €	Min.: 1 Mult.: 1
Surge Protection Accessories Hardware Kit, 108-1118B 9100-0453-A PolyPhaser 1: 24,22 € 26In Stock New Product	Mfr. Part No. 9100-0453-A Mouser Part No 44-9100-0453-A New Product	PolyPhaser	Surge Protection Accessories Hardware Kit, 108-1118B	Datasheet	26In Stock	24,22 € 20,55 € 19,63 € 17,55 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, DC - 50MHz, 1W, IP67, 15 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount AGXZ+15TFTF-A PolyPhaser 1: 140,64 € 9In Stock New Product	Mfr. Part No. AGXZ+15TFTF-A Mouser Part No 44-AGXZ+15TFTF-A New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, DC - 50MHz, 1W, IP67, 15 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	9In Stock	140,64 € 133,40 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXH+48DMDF-A PolyPhaser 1: 174,99 € 5In Stock New Product	Mfr. Part No. DGXH+48DMDF-A Mouser Part No 44-DGXH+48DMDF-A New Product	PolyPhaser	Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	5In Stock	174,99 € 167,59 €	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection