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Snap-In Circuit Protection

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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 15 A ONE POLE VISI MD1-B-34-615-1-A36-B-C Carling Technologies 1: $43.67 6In Stock	Mfr. Part No. MD1-B-34-615-1-A36-B-C Mouser Part No 691-MD1B346151A36BC	Carling Technologies	Circuit Breakers 15 A ONE POLE VISI Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	6In Stock	$43.67 $36.23 $33.00 $30.62 View $29.62 $28.68 Quote	Min.: 1 Mult.: 1
Circuit Breakers 12A ONE POLE MF1-B-34-612-1-CC2-B-C Carling Technologies 1: $45.28 9In Stock	Mfr. Part No. MF1-B-34-612-1-CC2-B-C Mouser Part No 691-MF1B346121CC2BC	Carling Technologies	Circuit Breakers 12A ONE POLE Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	9In Stock	$45.28 $37.57 $34.55 $32.24 View $31.30 $30.34 Quote	Min.: 1 Mult.: 1
Circuit Breakers ON OFF ANGLED M SERIES MF1-B-94-615-1-HF2-2-C Carling Technologies 1: $59.33 4In Stock	Mfr. Part No. MF1-B-94-615-1-HF2-2-C Mouser Part No 691-MF1B946151HF22C	Carling Technologies	Circuit Breakers ON OFF ANGLED M SERIES Learn More about Carling Technologies carling hydraulic magnetic circuit breakers	Datasheet	4In Stock	$59.33 $44.60 $44.59 $42.17 View $39.55 $38.61 Quote	Min.: 1 Mult.: 1
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F110-P7T1-W01Q-20A E-T-A 1: $28.95 122On Order	Mfr. Part No. 3130-F110-P7T1-W01Q-20A Mouser Part No 457-0F110P7T1W01Q20A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	122On Order On Order Ship Dates Mfr. No: 3130-F110-P7T1-W01Q-20A Stock: 0 On Order: 12 Expected 13/11/2026 50 Expected 27/11/2026 60 Expected 04/12/2026 Factory Lead Time: 11 Weeks	$28.95 $24.02 $20.53 $17.74 View $16.47 $15.62 $15.28 Quote	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W01D-5A E-T-A 1: $36.26 72On Order	Mfr. Part No. 3120-N321-P7T1-W01D-5A Mouser Part No 457-N321P7T1W01D5	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	72On Order On Order Ship Dates Mfr. No: 3120-N321-P7T1-W01D-5A Stock: 0 On Order: 32 Pending 40 Expected 09/11/2026 Factory Lead Time: 14 Weeks	$36.26 $30.08 $27.75 $26.24 View $21.17 $21.09 $20.70 Quote	Min.: 1 Mult.: 1
Fuse Holder 348677 03480677Z Littelfuse 1: $12.89 1,180Expected 07/01/2027	Mfr. Part No. 03480677Z Mouser Part No 576-03480677Z	Littelfuse	Fuse Holder 348677 Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	1,180Expected 07/01/2027	$12.89 $11.49 $10.83 $8.57 View $7.07 $6.79	Min.: 1 Mult.: 1
Circuit Breakers 20A PUSH TO RESET W28-XQ1A-20 TE Connectivity / P&B 1: $6.64 3,000Expected 25/01/2027	Mfr. Part No. W28-XQ1A-20 Mouser Part No 655-W28-XQ1A-20	TE Connectivity / P&B	Circuit Breakers 20A PUSH TO RESET	Datasheet	3,000Expected 25/01/2027	$6.64 $5.00 $3.80 $3.38 $3.16	Min.: 1 Mult.: 1
Circuit Breakers 6A PUSH TO RESET W28-XQ1A-6 TE Connectivity / P&B 1: $4.69 2,400Expected 22/03/2027	Mfr. Part No. W28-XQ1A-6 Mouser Part No 655-W28-XQ1A-6	TE Connectivity / P&B	Circuit Breakers 6A PUSH TO RESET	Datasheet	2,400Expected 22/03/2027	$4.69 $4.53 $3.78 $3.36 View $3.21 $3.16	Min.: 1 Mult.: 1
Circuit Breakers 8A PUSH TO RESET W28-XQ1A-8 TE Connectivity / P&B 1: $4.97 2,067Expected 08/02/2027	Mfr. Part No. W28-XQ1A-8 Mouser Part No 655-W28-XQ1A-8	TE Connectivity / P&B	Circuit Breakers 8A PUSH TO RESET	Datasheet	2,067Expected 08/02/2027	$4.97 $4.01 $3.61 $3.60 View $3.40 $3.24 $3.02 Quote	Min.: 1 Mult.: 1
Circuit Breakers W28-XT1A-3 W28-XT1A-3 TE Connectivity / P&B 1: $6.43 513Expected 21/12/2026	Mfr. Part No. W28-XT1A-3 Mouser Part No 655-W28-XT1A-3	TE Connectivity / P&B	Circuit Breakers W28-XT1A-3	Datasheet	513Expected 21/12/2026	$6.43 $4.97 $4.02 $3.57 View $3.42 $3.38 $3.16	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER SW 10A BLK W33-S1N1Q-10 TE Connectivity / P&B 1: $89.94 101Expected 08/02/2027	Mfr. Part No. W33-S1N1Q-10 Mouser Part No 655-W33-S1N1Q-10	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SW 10A BLK	Datasheet	101Expected 08/02/2027	$89.94 $82.04 $78.16 $73.69 View Quote	Min.: 1 Mult.: 1
Circuit Breakers 20A 2-P Black Rocker P1 Switch P2 Trip QC W33-S1N1Q-20 TE Connectivity / P&B 1: $130.50 92Expected 12/01/2027	Mfr. Part No. W33-S1N1Q-20 Mouser Part No 655-W33-S1N1Q-20	TE Connectivity / P&B	Circuit Breakers 20A 2-P Black Rocker P1 Switch P2 Trip QC	Datasheet	92Expected 12/01/2027	$130.50 $118.29 $107.50 $100.06 View $98.47 Quote	Min.: 1 Mult.: 1
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F110-P7T1-W01Q-16A E-T-A 1: $29.32 20Expected 27/11/2026	Mfr. Part No. 3130-F110-P7T1-W01Q-16A Mouser Part No 457-0F110P7T1W01Q16A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	20Expected 27/11/2026	$29.32 $24.32 $20.66 $17.85 View $16.57 $15.98	Min.: 1 Mult.: 1
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F110-P7T1-W02Q-20A E-T-A 1: $30.21 10Expected 08/01/2027	Mfr. Part No. 3130-F110-P7T1-W02Q-20A Mouser Part No 457-0F110P7T1W02Q20A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	10Expected 08/01/2027	$30.21 $25.06 $23.12 $19.15 View $17.65 $16.37 $15.20	Min.: 1 Mult.: 1
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 3130-F110-P7T1-W12QR3-15A E-T-A 1: $44.73 8Expected 25/12/2026	Mfr. Part No. 3130-F110-P7T1-W12QR3-15A Mouser Part No 457-110P7T1W12QR315A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double	Datasheet	8Expected 25/12/2026	$44.73 $37.10 $30.61 $27.58 View $26.60 $25.72	Min.: 1 Mult.: 1
Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double pole version, p 3130-F110-P7T1-W22AR3-10A E-T-A 1: $44.65 30On Order	Mfr. Part No. 3130-F110-P7T1-W22AR3-10A Mouser Part No 457-110P7T1W22AR310A	E-T-A	Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double pole version, p	Datasheet	30On Order On Order Ship Dates Mfr. No: 3130-F110-P7T1-W22AR3-10A Stock: 0 On Order: 10 Expected 04/12/2026 20 Expected 04/01/2027 Factory Lead Time: 10 Weeks	$44.65 $37.04 $34.16 $27.80 View $26.06 $25.72	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N311-P7T1-W15FY3-15A E-T-A 1: $37.58 8Expected 20/11/2026	Mfr. Part No. 3120-N311-P7T1-W15FY3-15A Mouser Part No 457-311P7T1W15FY315	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	8Expected 20/11/2026	$37.58 $31.18 $25.32 $24.75 View $21.73 $21.46 $21.28 Quote	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W12DY4-10A E-T-A 1: $44.27 5Expected 08/01/2027	Mfr. Part No. 3120-N321-P7T1-W12DY4-10A Mouser Part No 457-3120N32112DY410A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot	Datasheet	5Expected 08/01/2027	$44.27 $37.72 $36.25 $33.65 View $30.65 $29.69	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 3120-N521-P7T1-W19DG3-15A E-T-A 1: $44.27 8Expected 11/12/2026	Mfr. Part No. 3120-N521-P7T1-W19DG3-15A Mouser Part No 457-3120N52119DG315A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors	Datasheet	8Expected 11/12/2026	$44.27 $37.72 $35.07 $31.52 $29.69	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 3120-N521-P7T1-W02D-3A E-T-A 1: $55.86 9Expected 25/12/2026	Mfr. Part No. 3120-N521-P7T1-W02D-3A Mouser Part No 457-3120N521T1W02D3A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors	Datasheet	9Expected 25/12/2026	$55.86 $52.07 $41.74 $41.08 View $37.52 $37.26 Quote	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N31A-H7T1-W12LY3-2A E-T-A 1: $36.96 10Expected 06/11/2026	Mfr. Part No. 3120-N31A-H7T1-W12LY3-2A Mouser Part No 457-31AH7T1W12LY32A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	10Expected 06/11/2026	$36.96 $33.98 $28.88 $28.03 View $22.21 $21.27 $21.21 Quote	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W02D-1.5A E-T-A 1: $60.34 9Expected 04/12/2026	Mfr. Part No. 3120-N321-P7T1-W02D-1.5A Mouser Part No 457-321P7T1W02D1.5A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	9Expected 04/12/2026	$60.34 $50.06 $41.48 $37.28 $35.12	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W14FR3-2A E-T-A 1: $57.64 8Expected 04/12/2026	Mfr. Part No. 3120-N321-P7T1-W14FR3-2A Mouser Part No 457-321P7T1W14FR32A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	8Expected 04/12/2026	$57.64 $49.14 $46.89 $43.05 $39.23	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W19DG4-6A E-T-A 1: $38.44 8Expected 01/01/2027	Mfr. Part No. 3120-N321-P7T1-W19DG4-6A Mouser Part No 457-321P7T1W19DG46A	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	8Expected 01/01/2027	$38.44 $34.38 $34.37 $33.78 View $30.23 $29.85 Quote	Min.: 1 Mult.: 1
Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suite 3120-N324-H7T1-W01D-16A E-T-A 1: $52.09 9Expected 01/01/2027	Mfr. Part No. 3120-N324-H7T1-W01D-16A Mouser Part No 457-324H7T1W01D16A	E-T-A	Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suite Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	9Expected 01/01/2027	$52.09 $38.52 $35.80 $31.96 View $27.54 $26.10 Quote	Min.: 1 Mult.: 1

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Snap-In Circuit Protection

Types of Circuit Protection

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