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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX REX22D-TE2-100-DC24V-1A-3,6A-CL2-E E-T-A 1: $103.84 9In Stock New Product	Mfr. Part No. REX22D-TE2-100-DC24V-1A-3,6A-CL2-E Mouser Part No 457-REX22DTE2136CLE New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	9In Stock	$103.84 $86.55 $80.60	Min.: 1 Mult.: 1
Industrial & Electrical Fuses DBU 27.0KV SLOW SPEED "E" EXPL FUSE 200A DBU27-200SE Eaton Electrical 1: $582.07 1In Stock New Product	Mfr. Part No. DBU27-200SE Mouser Part No 504-DBU27-200SE New Product	Eaton Electrical	Industrial & Electrical Fuses DBU 27.0KV SLOW SPEED "E" EXPL FUSE 200A	Datasheet	1In Stock	$582.07 $482.26 $444.38	Min.: 1 Mult.: 1
Circuit Breakers E 3P 50A 25kA 415&480V FXD therm FXD mag EGE3050FFG Eaton Electrical 1: $1,093.23 1In Stock New Product	Mfr. Part No. EGE3050FFG Mouser Part No 504-EGE3050FFG New Product	Eaton Electrical	Circuit Breakers E 3P 50A 25kA 415&480V FXD therm FXD mag	Datasheet	1In Stock	$1,093.23	Min.: 1 Mult.: 1
Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD FDB3020L Eaton Electrical 1: $1,380.64 1In Stock New Product	Mfr. Part No. FDB3020L Mouser Part No 504-FDB3020L New Product	Eaton Electrical	Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD	Datasheet	1In Stock	$1,380.64	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXJ+15NFNF-A PolyPhaser 1: $212.98 5In Stock New Product	Mfr. Part No. CGXJ+15NFNF-A Mouser Part No 44-CGXJ+15NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	5In Stock	$212.98 $203.98	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFSF PolyPhaser 1: $146.35 3In Stock New Product	Mfr. Part No. GPS+06NFSF Mouser Part No 44-GPS+06NFSF New Product	PolyPhaser	Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	3In Stock	$146.35 $138.82	Min.: 1 Mult.: 1
Connectorised Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid HT-RO-E3PM-DCP PolyPhaser 1: $380.23 1In Stock New Product	Mfr. Part No. HT-RO-E3PM-DCP Mouser Part No 44-HT-RO-E3PM-DCP New Product	PolyPhaser	Connectorised Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid	Datasheet	1In Stock	$380.23 $364.15	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C2-MA PolyPhaser 1: $106.75 10In Stock 8Expected 2026/10/26 New Product	Mfr. Part No. IS-B50HN-C2-MA Mouser Part No 44-IS-B50HN-C2-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	10In Stock 8Expected 2026/10/26	$106.75 $101.25	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-NEMP-C0-MA PolyPhaser 1: $177.36 5In Stock New Product	Mfr. Part No. IS-NEMP-C0-MA Mouser Part No 44-IS-NEMP-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	5In Stock	$177.36 $168.22	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins TSX-NFM-G PolyPhaser 1: $197.21 1In Stock New Product	Mfr. Part No. TSX-NFM-G Mouser Part No 44-TSX-NFM-G New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins	Datasheet	1In Stock	$197.21 $188.86	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM TSXDC-4310FM PolyPhaser 1: $252.44 5In Stock New Product	Mfr. Part No. TSXDC-4310FM Mouser Part No 44-TSXDC-4310FM New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	5In Stock	$252.44 $241.75	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM TUSX-DFM PolyPhaser 1: $195.63 5In Stock New Product	Mfr. Part No. TUSX-DFM Mouser Part No 44-TUSX-DFM New Product	PolyPhaser	Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	5In Stock	$195.63 $187.36	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up VHF50B43-MA-BU PolyPhaser 1: $219.30 1In Stock New Product	Mfr. Part No. VHF50B43-MA-BU Mouser Part No 44-VHF50B43-MA-BU New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up	Datasheet	1In Stock	$219.30 $210.01	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount VHF50HD-MA PolyPhaser 1: $179.86 7In Stock New Product	Mfr. Part No. VHF50HD-MA Mouser Part No 44-VHF50HD-MA New Product	PolyPhaser	Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	7In Stock	$179.86 $172.24	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, REX22D-TD2-100-DC24V-1A/2A/4A-E E-T-A 1: $106.24 4In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-1A/2A/4A-E Mouser Part No 457-REX22DTD2124E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	$106.24 $88.71 $82.45	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX REX22D-TD2-100-DC24V-6A/8A/10A-E E-T-A 1: $127.49 7In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-6A/8A/10A-E Mouser Part No 457-REX22DTD26810E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	7In Stock	$127.49 $108.37 $102.34 $92.81 View $89.04 Quote	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX REX22D-TE2-100-DC24V-1A-10A-E E-T-A 1: $103.84 4In Stock New Product	Mfr. Part No. REX22D-TE2-100-DC24V-1A-10A-E Mouser Part No 457-REX22DTE21A10AE New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	$103.84 $86.55 $80.60	Min.: 1 Mult.: 1
Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K BR2100 Eaton Electrical 1: $449.62 3In Stock New Product	Mfr. Part No. BR2100 Mouser Part No 504-BR2100 New Product	Eaton Electrical	Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K	Datasheet	3In Stock	$449.62 $372.46 $343.32 View Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit MJ8-POE-C6A/G/KF Citel 1: $103.81 14In Stock New Product	Mfr. Part No. MJ8-POE-C6A/G/KF Mouser Part No 703-MJ8-POE-C6A/G/KF New Product	Citel	Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit	Datasheet	14In Stock	$103.81 $89.45 $81.89 $64.37 View $64.34 Quote	Min.: 1 Mult.: 1
Power Outlet Strips 8 Outlet 1U Rackmount Metered PDU with MOV Surge Protection 8NM8-RACK-MOUNT-PDU StarTech 1: $153.18 3In Stock New Product	Mfr. Part No. 8NM8-RACK-MOUNT-PDU Mouser Part No 16-8NM8RACKMOUNT-PDU New Product	StarTech	Power Outlet Strips 8 Outlet 1U Rackmount Metered PDU with MOV Surge Protection	Datasheet	3In Stock	$153.18 $150.04 $150.02 $150.00 View Quote	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: $299.08 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	$299.08 $284.37 $278.93	Min.: 1 Mult.: 1
Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit 108-1019A PolyPhaser 1: $193.07 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	$193.07	Min.: 1 Mult.: 1
Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors GSA-KIT-D PolyPhaser 1: $80.91 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	$80.91 $76.75	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: $85.21 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	$85.21 $80.83	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: $111.92 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	$111.92 $106.15	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection