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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breakers 2P 250AMP HMCP Eaton Electrical HM2P250J5 HM2P250J5 Eaton Electrical 1: Rp43.844.921,94 1In Stock New Product	Mfr. Part No. HM2P250J5 Mouser Part No 504-HM2P250J5 New Product	Eaton Electrical	Circuit Breakers 2P 250AMP HMCP	Datasheet	1In Stock	Rp43.844.921,94	Min.: 1 Mult.: 1
Circuit Breaker Accessories LATCH CHECK SWITCH Eaton Electrical 699B147G01 699B147G01 Eaton Electrical 1: Rp22.498.066,72 5In Stock New Product	Mfr. Part No. 699B147G01 Mouser Part No 504-699B147G01 New Product	Eaton Electrical	Circuit Breaker Accessories LATCH CHECK SWITCH	Datasheet	5In Stock	Rp22.498.066,72	Min.: 1 Mult.: 1
Circuit Breaker Accessories 3 POLE C-H UL 400A Eaton Electrical ELLBN3400W ELLBN3400W Eaton Electrical 1: Rp59.312.801,46 1In Stock New Product	Mfr. Part No. ELLBN3400W Mouser Part No 504-ELLBN3400W New Product	Eaton Electrical	Circuit Breaker Accessories 3 POLE C-H UL 400A		1In Stock	Rp59.312.801,46	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: Rp3.158.263,90 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	Rp3.158.263,90 Rp2.995.534,88	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: Rp1.341.276,06 22In Stock 5On 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	22In Stock 5On Order	Rp1.341.276,06 Rp1.269.910,12	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: Rp3.588.294,14 4In Stock 20Expected 13/11/2026 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	4In Stock 20Expected 13/11/2026	Rp3.588.294,14 Rp3.436.572,72	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: Rp4.717.123,52 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	Rp4.717.123,52 Rp4.517.519,04	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: Rp2.273.803,24 2In Stock 43On 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	2In Stock 43On Order On Order Ship Dates Mfr. No: IS-B50HN-C0-MA Stock: 2 Can Dispatch Immediately On Order: 22 Pending 21 Expected 25/01/2027 Factory Lead Time: 7 Weeks	Rp2.273.803,24 Rp2.156.755,76	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: Rp2.558.166,24 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	Rp2.558.166,24 Rp2.426.258,50	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B IX-5T PolyPhaser 1: Rp4.688.136,84 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	Rp4.688.136,84 Rp4.489.816,58	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: Rp2.338.564,62 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	Rp2.338.564,62 Rp1.948.712,12 Rp1.877.162,72 Rp1.702.325,34 View Rp1.633.344,38 Quote	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU PDG23F0020TFFJ Eaton Electrical 1: Rp13.550.722,52 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	Rp13.550.722,52 Rp11.225.367,02 Rp10.345.492,86	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU PDG23F0200TFFJ Eaton Electrical 1: Rp24.575.384,30 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	Rp24.575.384,30	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 10219128-03 TE Connectivity 1: Rp12.151.840,02 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	Rp12.151.840,02 Rp9.266.014,22 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: Rp35.407,78 410In Stock 1.500Expected 19/11/2026 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	410In Stock 1.500Expected 19/11/2026	Rp35.407,78 Rp26.601,70 Rp21.281,36 Rp19.997,14 View Rp19.446,76 Rp16.327,94 Rp15.043,72 Rp13.851,23	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: Rp21.464,82 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	Rp21.464,82 Rp16.089,44 Rp12.878,89 Rp12.108,36 View Rp11.814,82 Rp9.906,84 Rp9.319,77 Rp8.549,24	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: Rp2.147.582,76 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	Rp2.147.582,76 Rp2.036.956,38	Min.: 1 Mult.: 1
Surge Protection Accessories Hardware Kit, 108-1118B 9100-0453-A PolyPhaser 1: Rp516.623,36 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	Rp516.623,36 Rp438.469,40 Rp418.839,18 Rp374.441,86	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: Rp3.000.304,84 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	Rp3.000.304,84 Rp2.845.831,52	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: Rp3.733.044,08 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	Rp3.733.044,08 Rp3.575.085,02	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: Rp2.937.194,60 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	Rp2.937.194,60 Rp2.785.840,10	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: Rp5.498.479,66 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	Rp5.498.479,66 Rp5.265.852,38	Min.: 1 Mult.: 1
Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX PM12-T01-00-LOAD-20A-E E-T-A 1: Rp890.331,38 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	Rp890.331,38 Rp738.426,50 Rp681.186,98 Rp550.930,38 View Rp546.343,88 Rp526.346,74 Quote	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,20A,ATX REX22D-TA1-100-DC24V-20A-E E-T-A 1: Rp1.927.797,68 7In Stock 4Expected 11/12/2026 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 4Expected 11/12/2026	Rp1.927.797,68 Rp1.650.039,24 Rp1.582.525,96 Rp1.437.776,02 View Rp1.389.892,96 Quote	Min.: 1 Mult.: 1
Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC CHFN130GF Eaton Electrical 1: Rp8.852.678,84 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	Rp8.852.678,84 Rp7.333.446,58 Rp6.761.234,84 View Quote	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection