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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXZ+15NMNF-A PolyPhaser 1: £135.01 16In Stock New Product	Mfr. Part No. CGXZ+15NMNF-A Mouser Part No 44-CGXZ+15NMNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N M/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	16In Stock	£135.01 £129.29	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount DGXZ+15TFTF-BN PolyPhaser 1: £146.05 22In Stock New Product	Mfr. Part No. DGXZ+15TFTF-BN Mouser Part No 44-DGXZ+15TFTF-BN New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	22In Stock	£146.05 £138.53	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube GT-NFM-AL PolyPhaser 1: £54.22 63In Stock 26On Order New Product	Mfr. Part No. GT-NFM-AL Mouser Part No 44-GT-NFM-AL New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	63In Stock 26On Order On Order Ship Dates Mfr. No: GT-NFM-AL Stock: 63 Can Dispatch Immediately On Order: 14 Expected 23/10/2026 12 Expected 30/10/2026 Factory Lead Time: 3 Weeks	£54.22 £51.33	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM QWP-DMDF-ER PolyPhaser 1: £149.75 21In Stock New Product	Mfr. Part No. QWP-DMDF-ER Mouser Part No 44-QWP-DMDF-ER New Product	PolyPhaser	Connectorised Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM	Datasheet	21In Stock	£149.75 £143.43	Min.: 1 Mult.: 1
Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 217 MHz to 223 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA RRF-220-NFF PolyPhaser 1: £265.28 6In Stock New Product	Mfr. Part No. RRF-220-NFF Mouser Part No 44-RRF-220-NFF New Product	PolyPhaser	Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 217 MHz to 223 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA	Datasheet	6In Stock	£265.28 £254.06	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-NFF-P PolyPhaser 1: £124.07 35In Stock New Product	Mfr. Part No. TSX-NFF-P Mouser Part No 44-TSX-NFF-P New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	35In Stock	£124.07 £117.69	Min.: 1 Mult.: 1
Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A 167109 Eaton Electrical 1: £1,079.61 1In Stock New Product	Mfr. Part No. 167109 Mouser Part No 504-167109 New Product	Eaton Electrical	Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A	Datasheet	1In Stock	£1,079.61	Min.: 1 Mult.: 1
Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU PDG10F0080TFFJ Eaton Electrical 1: £683.04 2In Stock New Product	Mfr. Part No. PDG10F0080TFFJ Mouser Part No 504-PDG10F0080TFFJ New Product	Eaton Electrical	Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU	Datasheet	2In Stock	£683.04	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube 108-1118B-A PolyPhaser 1: £71.08 44In Stock New Product	Mfr. Part No. 108-1118B-A Mouser Part No 44-108-1118B-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube	Datasheet	44In Stock	£71.08 £67.42	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+06TFTF-A PolyPhaser 1: £135.71 20In Stock 71On Order New Product	Mfr. Part No. DGXZ+06TFTF-A Mouser Part No 44-DGXZ+06TFTF-A New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	20In Stock 71On Order On Order Ship Dates Mfr. No: DGXZ+06TFTF-A Stock: 20 Can Dispatch Immediately On Order: 23 Expected 05/11/2026 11 Expected 09/11/2026 37 Expected 18/11/2026 Factory Lead Time: 4 Weeks	£135.71 £128.72	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ-60NFNF-A PolyPhaser 1: £146.85 13In Stock 1Expected 23/10/2026 New Product	Mfr. Part No. DGXZ-60NFNF-A Mouser Part No 44-DGXZ-60NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	13In Stock 1Expected 23/10/2026	£146.85 £140.64	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C0 PolyPhaser 1: £94.35 33In Stock 5On Order New Product	Mfr. Part No. IS-B50HN-C0 Mouser Part No 44-IS-B50HN-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	33In Stock 5On Order	£94.35 £89.48	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50HN-C0-MA PolyPhaser 1: £93.05 23In Stock New Product	Mfr. Part No. IS-B50HN-C0-MA Mouser Part No 44-IS-B50HN-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	23In Stock	£93.05 £88.26	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount IS-B50HN-C2 PolyPhaser 1: £91.76 68In Stock New Product	Mfr. Part No. IS-B50HN-C2 Mouser Part No 44-IS-B50HN-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	68In Stock	£91.76 £87.03	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C2-ME PolyPhaser 1: £99.51 66In Stock New Product	Mfr. Part No. IS-B50HN-C2-ME Mouser Part No 44-IS-B50HN-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M 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	66In Stock	£99.51 £94.39	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount VHF50HN-B PolyPhaser 1: £122.78 73In Stock 69On Order New Product	Mfr. Part No. VHF50HN-B Mouser Part No 44-VHF50HN-B New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	73In Stock 69On Order On Order Ship Dates Mfr. No: VHF50HN-B Stock: 73 Can Dispatch Immediately On Order: 9 Expected 23/10/2026 43 Expected 30/10/2026 17 Expected 09/12/2026 Factory Lead Time: 7 Weeks	£122.78 £116.46	Min.: 1 Mult.: 1
Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap CS3-100 PolyPhaser 1: £925.27 3In Stock New Product	Mfr. Part No. CS3-100 Mouser Part No 44-CS3-100 New Product	PolyPhaser	Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap Learn More about PolyPhaser surge protector accessories	Datasheet	3In Stock	£925.27	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount DGXE+24DMDF-A PolyPhaser 1: £165.79 26In Stock New Product	Mfr. Part No. DGXE+24DMDF-A Mouser Part No 44-DGXE+24DMDF-A New Product	PolyPhaser	Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	26In Stock	£165.79 £158.78	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFF PolyPhaser 1: £104.69 15In Stock 5Expected 30/10/2026 New Product	Mfr. Part No. GPS+06NFF Mouser Part No 44-GPS+06NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N 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	15In Stock 5Expected 30/10/2026	£104.69 £99.30	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2 PolyPhaser 1: £73.66 87In Stock 51On Order New Product	Mfr. Part No. IS-50NX-C2 Mouser Part No 44-IS-50NX-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F 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	87In Stock 51On Order On Order Ship Dates Mfr. No: IS-50NX-C2 Stock: 87 Can Dispatch Immediately On Order: 19 Expected 30/10/2026 32 Expected 06/11/2026 Factory Lead Time: 4 Weeks	£73.66 £69.87	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50UX-C0 PolyPhaser 1: £63.32 107In Stock 33Expected 06/11/2026 New Product	Mfr. Part No. IS-50UX-C0 Mouser Part No 44-IS-50UX-C0 New Product	PolyPhaser	Connectorised Surge Protectors UHF F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	107In Stock 33Expected 06/11/2026	£63.32 £60.06	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C0 PolyPhaser 1: £73.66 64In Stock 34On Order New Product	Mfr. Part No. IS-B50LN-C0 Mouser Part No 44-IS-B50LN-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F 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	64In Stock 34On Order On Order Ship Dates Mfr. No: IS-B50LN-C0 Stock: 64 Can Dispatch Immediately On Order: 18 Expected 30/10/2026 16 Expected 27/11/2026 Factory Lead Time: 8 Weeks	£73.66 £69.87	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B IX-2DC48 PolyPhaser 1: £137.00 10In Stock New Product	Mfr. Part No. IX-2DC48 Mouser Part No 44-IX-2DC48 New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B	Datasheet	10In Stock	£137.00 £129.95	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B IXG-05 PolyPhaser 1: £143.29 47In Stock New Product	Mfr. Part No. IXG-05 Mouser Part No 44-IXG-05 New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B Learn More about PolyPhaser ixg 05 lightning surge protector	Datasheet	47In Stock	£143.29 £137.24	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-4310FF-P PolyPhaser 1: £148.03 14In Stock New Product	Mfr. Part No. TSX-4310FF-P Mouser Part No 44-TSX-4310FF-P New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	14In Stock	£148.03 £141.77	Min.: 1 Mult.: 1

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