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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.
Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors GSA-KIT-D PolyPhaser 1: $80.90 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	$80.90 $76.73	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: $85.20 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	$85.20 $80.81	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: $111.89 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	$111.89 $106.13	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: $91.23 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	$91.23 $86.53	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: $187.65 1In Stock 9Expected 17/11/2026 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 17/11/2026	$187.65 $177.98	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B IX-2M PolyPhaser 1: $158.38 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	$158.38 $150.22	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: $135.99 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	$135.99 $128.99	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: $130.83 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	$130.83 $124.09	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: $372.27 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	$372.27 $356.53	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: $112.57 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	$112.57 $95.03 $76.13 $75.52 View $72.75 Quote	Min.: 1 Mult.: 1
Circuit Breakers GWF 3P 40A CIRCUIT BKR FXD TMNETIC, 25kA GWF3040 Eaton Electrical 1: $956.55 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	$956.55	Min.: 1 Mult.: 1
Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU PDG13M0045VFFJ Eaton Electrical 1: $762.23 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	$762.23	Min.: 1 Mult.: 1
Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU PDG22M0125TFFL Eaton Electrical 1: $1,058.26 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	$1,058.26	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU PDG23M0060TFFL Eaton Electrical 1: $782.97 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	$782.97	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: $117.06 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	$117.06 $111.03	Min.: 1 Mult.: 1
Surge Protection Accessories Hardware Kit, 108-1118B 9100-0453-A PolyPhaser 1: $28.16 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	$28.16 $23.90 $22.83 $20.41	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: $163.54 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	$163.54 $155.12	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: $203.48 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	$203.48 $194.87	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount DGXR+06NMNF-Z PolyPhaser 1: $160.10 5In Stock New Product	Mfr. Part No. DGXR+06NMNF-Z Mouser Part No 44-DGXR+06NMNF-Z New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount	Datasheet	5In Stock	$160.10 $151.85	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter DSXL-T-MA PolyPhaser 1: $299.71 2In Stock New Product	Mfr. Part No. DSXL-T-MA Mouser Part No 44-DSXL-T-MA New Product	PolyPhaser	Connectorised Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter	Datasheet	2In Stock	$299.71 $287.03	Min.: 1 Mult.: 1
Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX PM12-T01-00-LOAD-20A-E E-T-A 1: $48.53 7In Stock New Product	Mfr. Part No. PM12-T01-00-LOAD-20A-E Mouser Part No 457-PM12T100LOAD2AE New Product	E-T-A	Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX	Datasheet	7In Stock	$48.53 $40.25 $37.13 $30.03 View $29.78 $28.69 Quote	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,20A,ATX REX22D-TA1-100-DC24V-20A-E E-T-A 1: $105.08 7In Stock New Product	Mfr. Part No. REX22D-TA1-100-DC24V-20A-E Mouser Part No 457-REX22DTA120E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,20A,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	7In Stock	$105.08 $89.94 $86.26 $78.37 View $75.76 Quote	Min.: 1 Mult.: 1
Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC CHFN130GF Eaton Electrical 1: $482.54 1In Stock New Product	Mfr. Part No. CHFN130GF Mouser Part No 504-CHFN130GF New Product	Eaton Electrical	Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC		1In Stock	$482.54 $399.73 $368.54 View Quote	Min.: 1 Mult.: 1
Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm EGS3100FFG Eaton Electrical 1: $1,475.59 1In Stock 4Expected 14/12/2026 New Product	Mfr. Part No. EGS3100FFG Mouser Part No 504-EGS3100FFG New Product	Eaton Electrical	Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm	Datasheet	1In Stock 4Expected 14/12/2026	$1,475.59	Min.: 1 Mult.: 1
Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE Eaton Electrical FAZ-D2.5/2 FAZ-D2.5/2 Eaton Electrical 1: $431.89 1In Stock New Product	Mfr. Part No. FAZ-D2.5/2 Mouser Part No 504-FAZ-D2.5/2 New Product	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE	Datasheet	1In Stock	$431.89 $357.78 $329.73	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection