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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 Type BR Breaker 100A/2 Pole 120/240V 10K BR2100 Eaton Electrical 1: 386,60 € 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	386,60 € 320,26 € 295,20 € 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: 89,26 € 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	89,26 € 76,91 € 70,41 € 55,35 € View 55,32 € Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount 109-0501W-D PolyPhaser 1: 148,05 € 6In Stock New Product	Mfr. Part No. 109-0501W-D Mouser Part No 44-109-0501W-D New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount	Datasheet	6In Stock	148,05 € 140,42 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter AL-LSXM-MA PolyPhaser 1: 62,87 € 11In Stock 16On Order New Product	Mfr. Part No. AL-LSXM-MA Mouser Part No 44-AL-LSXM-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 2ghz 6ghz surge protectors	Datasheet	11In Stock 16On Order On Order Ship Dates Mfr. No: AL-LSXM-MA Stock: 11 Can Dispatch Immediately On Order: 5 Pending 11 Expected 11/6/2026 Factory Lead Time: 11 Weeks	62,87 € 59,53 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM HT-RO-TSX-DCDFM PolyPhaser 1: 221,12 € 5In Stock New Product	Mfr. Part No. HT-RO-TSX-DCDFM Mouser Part No 44-HT-RO-TSX-DCDFM New Product	PolyPhaser	Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM Learn More about PolyPhaser tsx ht hemp tested rf surge protectors	Datasheet	5In Stock	221,12 € 211,77 €	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: 106,59 € 12In Stock 22On Order 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	12In Stock 22On Order On Order Ship Dates Mfr. No: IS-B50HN-C0-MA Stock: 12 Can Dispatch Immediately On Order: 5 Pending 17 Expected 11/2/2026 Factory Lead Time: 2 Weeks	106,59 € 101,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50LU-C0-MA PolyPhaser 1: 119,92 € 3In Stock New Product	Mfr. Part No. IS-B50LU-C0-MA Mouser Part No 44-IS-B50LU-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors UHF M/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	3In Stock	119,92 € 113,74 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B IX-5T PolyPhaser 1: 219,76 € 3In Stock New Product	Mfr. Part No. IX-5T Mouser Part No 44-IX-5T New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B	Datasheet	3In Stock	219,76 € 210,47 €	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E E-T-A 1: 109,62 € 4In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-2A/3A/3,6A-CL2-E Mouser Part No 457-REX22DTD22336CLE New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	109,62 € 91,35 € 88,00 € 79,80 € View 76,57 € Quote	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU PDG23F0020TFFJ Eaton Electrical 1: 635,21 € 2In Stock New Product	Mfr. Part No. PDG23F0020TFFJ Mouser Part No 504-PDG23F0020TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU	Datasheet	2In Stock	635,21 € 526,21 € 484,96 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU PDG23F0200TFFJ Eaton Electrical 1: 1.152,01 € 1In Stock New Product	Mfr. Part No. PDG23F0200TFFJ Mouser Part No 504-PDG23F0200TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU	Datasheet	1In Stock	1.152,01 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 10219128-03 TE Connectivity 1: 569,64 € 2In Stock New Product	Mfr. Part No. 10219128-03 Mouser Part No 571-10219128-03 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	2In Stock	569,64 € 434,36 € 430,43 € View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A NTCLE213E3103FHB0A Vishay / BC Components 1: 1,66 € 422In Stock New Product	Mfr. Part No. NTCLE213E3103FHB0A Mouser Part No 594-NTCLE213E313FHB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A	Datasheet	422In Stock	1,66 € 1,25 € 0,998 € 0,937 € View 0,912 € 0,765 € 0,705 € 0,649 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A NTCLE213E3123GMB0A Vishay / BC Components 1: 1,01 € 1.899In Stock New Product	Mfr. Part No. NTCLE213E3123GMB0A Mouser Part No 594-NTCLE23E323GMB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A	Datasheet	1.899In Stock	1,01 € 0,754 € 0,604 € 0,568 € View 0,554 € 0,464 € 0,437 € 0,401 €	Min.: 1 Mult.: 1
Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit BF4310 PolyPhaser 1: 45,72 € 7In Stock New Product	Mfr. Part No. BF4310 Mouser Part No 44-BF4310 New Product	PolyPhaser	Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit Learn More about PolyPhaser surge protector accessories	Datasheet	7In Stock	45,72 € 42,93 € 41,55 €	Min.: 1 Mult.: 1
Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter BFD PolyPhaser 1: 34,01 € 24In Stock New Product	Mfr. Part No. BFD Mouser Part No 44-BFD New Product	PolyPhaser	Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter Learn More about PolyPhaser surge protector accessories	Datasheet	24In Stock	34,01 € 31,73 € 30,41 € 30,40 € Quote Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXJ+24NFNF-A PolyPhaser 1: 164,34 € 3In Stock New Product	Mfr. Part No. DGXJ+24NFNF-A Mouser Part No 44-DGXJ+24NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	3In Stock	164,34 € 155,88 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+15NFNM-A PolyPhaser 1: 222,47 € 1In Stock New Product	Mfr. Part No. DGXZ+15NFNM-A Mouser Part No 44-DGXZ+15NFNM-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	1In Stock	222,47 € 213,07 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc ESXDC-DFM PolyPhaser 1: 164,14 € 5In Stock New Product	Mfr. Part No. ESXDC-DFM Mouser Part No 44-ESXDC-DFM New Product	PolyPhaser	Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	5In Stock	164,14 € 157,20 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube GT-TFM-AL PolyPhaser 1: 84,38 € 5In Stock New Product	Mfr. Part No. GT-TFM-AL Mouser Part No 44-GT-TFM-AL New Product	PolyPhaser	Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	5In Stock	84,38 € 80,03 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B IX-2T PolyPhaser 1: 157,35 € 1In Stock New Product	Mfr. Part No. IX-2T Mouser Part No 44-IX-2T New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B	Datasheet	1In Stock	157,35 € 150,70 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-DFF PolyPhaser 1: 162,86 € 4In Stock New Product	Mfr. Part No. TSX-DFF Mouser Part No 44-TSX-DFF New Product	PolyPhaser	Connectorised Surge Protectors 7/16 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	4In Stock	162,86 € 154,46 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket TSX-DFM-BF PolyPhaser 1: 168,21 € 6In Stock New Product	Mfr. Part No. TSX-DFM-BF Mouser Part No 44-TSX-DFM-BF New Product	PolyPhaser	Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	6In Stock	168,21 € 161,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM TSXDC-4310FF PolyPhaser 1: 164,14 € 4In Stock New Product	Mfr. Part No. TSXDC-4310FF Mouser Part No 44-TSXDC-4310FF New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 F/F 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	4In Stock	164,14 € 157,20 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV PM12-T03-00-GND-20A-E E-T-A 1: 30,78 € 11In Stock New Product	Mfr. Part No. PM12-T03-00-GND-20A-E Mouser Part No 457-PM12T0300GND2AE New Product	E-T-A	Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV	Datasheet	11In Stock	30,78 € 23,57 € 21,91 €	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection