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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 PDG2,2P,125A,50KA/480V,FXFXTMTU PDG22K0125TFFJ Eaton Electrical 1: $991.55 4In Stock New Product	Mfr. Part No. PDG22K0125TFFJ Mouser Part No 504-PDG22K0125TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU	Datasheet	4In Stock	$991.55	Min.: 1 Mult.: 1
Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A PDG3XPXR30600P2M Eaton Electrical 1: $3,242.33 1In Stock New Product	Mfr. Part No. PDG3XPXR30600P2M Mouser Part No 504-PDG3XPXR30600P2M New Product	Eaton Electrical	Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A	Datasheet	1In Stock	$3,242.33	Min.: 1 Mult.: 1
Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V QBHW2015HT Eaton Electrical 1: $991.12 3In Stock New Product	Mfr. Part No. QBHW2015HT Mouser Part No 504-QBHW2015HT New Product	Eaton Electrical	Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V	Datasheet	3In Stock	$991.12 $791.90 $756.00 View Quote	Min.: 1 Mult.: 1
Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit BFN PolyPhaser 1: $29.33 130In Stock New Product	Mfr. Part No. BFN Mouser Part No 44-BFN New Product	PolyPhaser	Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit Learn More about PolyPhaser surge protector accessories	Datasheet	130In Stock	$29.33 $24.90 $23.77 $21.26	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXJ+36NFNF-A PolyPhaser 1: $214.56 23In Stock New Product	Mfr. Part No. CGXJ+36NFNF-A Mouser Part No 44-CGXJ+36NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	23In Stock	$214.56 $205.49	Min.: 1 Mult.: 1
Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube GT75-FFF PolyPhaser 1: $182.51 25In Stock 9Expected 2026/11/13 New Product	Mfr. Part No. GT75-FFF Mouser Part No 44-GT75-FFF New Product	PolyPhaser	Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	25In Stock 9Expected 2026/11/13	$182.51 $173.11	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0 PolyPhaser 1: $80.91 51In Stock 19On Order New Product	Mfr. Part No. IS-50NX-C0 Mouser Part No 44-IS-50NX-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	51In Stock 19On Order On Order Ship Dates Mfr. No: IS-50NX-C0 Stock: 51 Can Dispatch Immediately On Order: 10 Expected 2026/11/04 9 Expected 2026/11/06 Factory Lead Time: 3 Weeks	$80.91 $76.75	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0-MA PolyPhaser 1: $106.75 37In Stock 110On Order New Product	Mfr. Part No. IS-50NX-C0-MA Mouser Part No 44-IS-50NX-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N 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	37In Stock 110On Order On Order Ship Dates Mfr. No: IS-50NX-C0-MA Stock: 37 Can Dispatch Immediately On Order: 43 Expected 2026/11/06 67 Expected 2027/01/01 Factory Lead Time: 11 Weeks	$106.75 $101.25	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, Low PIM, Hole Mount TSX-NFM-P PolyPhaser 1: $146.35 58In Stock 13Expected 2026/11/03 New Product	Mfr. Part No. TSX-NFM-P Mouser Part No 44-TSX-NFM-P 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, Low PIM, Hole Mount Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	58In Stock 13Expected 2026/11/03	$146.35 $138.82	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter TUSX-NFF PolyPhaser 1: $189.31 72In Stock New Product	Mfr. Part No. TUSX-NFF Mouser Part No 44-TUSX-NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	72In Stock	$189.31 $181.31	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU PDG23G0150TFFJ Eaton Electrical 1: $1,176.13 3In Stock New Product	Mfr. Part No. PDG23G0150TFFJ Mouser Part No 504-PDG23G0150TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU	Datasheet	3In Stock	$1,176.13	Min.: 1 Mult.: 1
Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL QBGFEP2015W1 Eaton Electrical 1: $1,648.96 1In Stock New Product	Mfr. Part No. QBGFEP2015W1 Mouser Part No 504-QBGFEP2015W1 New Product	Eaton Electrical	Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL	Datasheet	1In Stock	$1,648.96	Min.: 1 Mult.: 1
Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11 T9092B-CBSF Eaton 1: $1,211.61 33In Stock 26Expected 2026/10/29	Mfr. Part No. T9092B-CBSF Mouser Part No 545-T9092B-CBSF	Eaton	Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11	Datasheet	33In Stock 26Expected 2026/10/29	$1,211.61 View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C TT2-2.186KC7L-1 CTS Electronic Components 1: $3.62 490In Stock New Product	Mfr. Part No. TT2-2.186KC7L-1 Mouser Part No 774-TT22.186KC7L1 New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	490In Stock	$3.62 $3.12 $2.97 $2.83 View $2.69 $2.47 $2.43 $2.33 $2.17	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K +/-1% Glass Bead, B3435, 300C TT2-10KC8-8 CTS Electronic Components 1: $2.65 500In Stock New Product	Mfr. Part No. TT2-10KC8-8 Mouser Part No 774-TT210KC88 New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 10K +/-1% Glass Bead, B3435, 300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	500In Stock	$2.65 $2.28 $2.17 $1.97 View $1.80 $1.78 $1.70 $1.59 $1.52	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C TT2-30KC5-3 CTS Electronic Components 1: $2.47 462In Stock New Product	Mfr. Part No. TT2-30KC5-3 Mouser Part No 774-TT230KC53 New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C Learn More about CTS Electronic Components cts tt2 ntc thermistors	Datasheet	462In Stock	$2.47 $2.13 $2.02 $1.84 View $1.67 $1.66 $1.59 $1.48 $1.42	Min.: 1 Mult.: 1
Automotive Fuses 50A 32V TIME DELAY BK-AMI-050 Bussmann / Eaton 1: $4.65 68In Stock New Product	Mfr. Part No. BK-AMI-050 Mouser Part No 504-K-AMI-050 New Product	Bussmann / Eaton	Automotive Fuses 50A 32V TIME DELAY		68In Stock	$4.65 $4.61 $3.43 $3.19 View $2.41 $2.29 $2.26 $2.20	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD, DFN1006-2, 51V, 24V, 0.5A, Bidir, AEC-Q101 ESD9BL24P-AQ Diotec Semiconductor 1: $0.37 9,970In Stock New Product	Mfr. Part No. ESD9BL24P-AQ Mouser Part No 637-ESD9BL24P-AQ New Product	Diotec Semiconductor	ESD Protection Diodes / TVS Diodes ESD, DFN1006-2, 51V, 24V, 0.5A, Bidir, AEC-Q101 Learn More about Diotec Semiconductor diotec esd9bl24p aq diode	Datasheet	9,970In Stock	$0.37 $0.176 $0.154 $0.113 View $0.058 $0.05	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-8 CTS Electronic Components 1: $1.31 457In Stock New Product	Mfr. Part No. TTDO-10KC3-8 Mouser Part No 774-TTDO10KC38 New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	457In Stock	$1.31 $1.13 $1.07 $0.979 View $0.901 $0.883 $0.846 $0.789 $0.747	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 TTDO-10KC3-6-5% CTS Electronic Components 1: $1.19 487In Stock New Product	Mfr. Part No. TTDO-10KC3-6-5% Mouser Part No 774-TTDO10KC365% New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977 Learn More about CTS Electronic Components cts tt do thermistors	Datasheet	487In Stock	$1.19 $1.02 $0.968 $0.879 View $0.873 $0.741 $0.707 $0.67	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire TTS-1KC3-BG CTS Electronic Components 1: $2.24 496In Stock New Product	Mfr. Part No. TTS-1KC3-BG Mouser Part No 774-TTS1KC3BG New Product	CTS Electronic Components	NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire Learn More about CTS Electronic Components cts tt s thermistors	Datasheet	496In Stock	$2.24 $1.93 $1.84 $1.67 View $1.65 $1.40 $1.34 $1.27	Min.: 1 Mult.: 1
Connectorised Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL GT-NFF-AL25 PolyPhaser 1: $883.97 4In Stock New Product	Mfr. Part No. GT-NFF-AL25 Mouser Part No 44-GT-NFF-AL25 New Product	PolyPhaser	Connectorised Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL	Datasheet	4In Stock	$883.97	Min.: 1 Mult.: 1
Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC 3298080.ZXM10 Littelfuse 1: $13.98 289In Stock New Product	Mfr. Part No. 3298080.ZXM10 Mouser Part No 576-3298080.ZXM10 New Product	Littelfuse	Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC	Datasheet	289In Stock	$13.98 $13.05 $10.32 $8.79 View $8.05 $7.77 $7.76 $7.68 Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR G1540 / 50k/ 2% B57540G1503G000 TDK 1: $5.11 975In Stock New Product	Mfr. Part No. B57540G1503G000 Mouser Part No 871-B57540G1503G000 New Product	TDK	NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR G1540 / 50k/ 2% Learn More about TDK thermistors	Datasheet	975In Stock	$5.11 $4.38 $3.83 $3.41 View $3.24 $3.15 $2.67 $2.61	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount IS-NEMP-C0 PolyPhaser 1: $198.79 8In Stock 18On Order New Product	Mfr. Part No. IS-NEMP-C0 Mouser Part No 44-IS-NEMP-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	8In Stock 18On Order On Order Ship Dates Mfr. No: IS-NEMP-C0 Stock: 8 Can Dispatch Immediately On Order: 10 Pending 8 Expected 2027/05/14 Factory Lead Time: 15 Weeks	$198.79 $190.37	Min.: 1 Mult.: 1

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