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Snap-In Circuit Breakers

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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.	Series	Product	Type	Current Rating	Voltage Rating AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated	Packaging
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-15A E-T-A 1: $34.20 15In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-15A Mouser Part No 457-N321P7T1W01D15	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	15In Stock	$34.20 $28.38 $26.17 $25.59 View $19.98 $19.66 $19.19	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-16A E-T-A 1: $36.26 1In Stock 20On Order	Mfr. Part No. 3120-N321-P7T1-W01D-16A Mouser Part No 457-N321P7T1W01D16	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	1In Stock 20On Order On Order Ship Dates Mfr. No: 3120-N321-P7T1-W01D-16A Stock: 1 Can Dispatch Immediately On Order: 10 Expected 06/11/2026 10 Expected 25/12/2026 Factory Lead Time: 11 Weeks	$36.26 $30.08 $27.75 $25.59 View $21.17 $21.11 $19.37 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	16 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-2A E-T-A 1: $45.64 15In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-2A Mouser Part No 457-N321P7T1W01D2	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	15In Stock	$45.64 $37.87 $37.86 $35.12 $26.64	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	2 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-15A E-T-A 1: $40.76 1In Stock 10Expected 25/12/2026	Mfr. Part No. 3120-N321-P7T1-W02D-15A Mouser Part No 457-N321P7T1W02D15	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	1In Stock 10Expected 25/12/2026	$40.76 $34.25 $29.49 $26.37 View $22.31 $20.71 $20.69 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-6A E-T-A 1: $44.44 27In Stock	Mfr. Part No. 3120-N321-P7T1-W02D-6A Mouser Part No 457-N321P7T1W02D6	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	27In Stock	$44.44 $36.91 $34.04 $32.48 View $29.57 $28.73 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	6 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-W19DG4-5A E-T-A 1: $51.01 3In Stock	Mfr. Part No. 3120-N321-P7T1-W19DG4-5A Mouser Part No 457-N321P7T1W19DG45	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	3In Stock	$51.01 $39.10 $36.25 $31.59 $29.69	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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-N323-P7T1-W02D-10A E-T-A 1: $44.44 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N323-P7T1-W02D-10A Mouser Part No 457-N323P7T1W02D10	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	Non-Stocked Lead-Time 6 Weeks	$44.44 $36.87 $32.85 $28.16 View $25.85 $25.59	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-N323-P7T1-W02D-5A E-T-A 1: $44.50 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N323-P7T1-W02D-5A Mouser Part No 457-N323P7T1W02D5	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	Non-Stocked Lead-Time 6 Weeks	$44.50 $36.92 $31.55 $29.46 View $26.56 $25.71 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-P7T1-W01D-10A E-T-A 1: $44.81 9In Stock	Mfr. Part No. 3120-N324-P7T1-W01D-10A Mouser Part No 457-N324P7T1W01D10	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	9In Stock	$44.81 $38.03 $34.75 $29.14 View $24.74 $23.04 $23.01 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	1 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-P7T1-W02D-20A E-T-A 1: $49.54 12In Stock	Mfr. Part No. 3120-N324-P7T1-W02D-20A Mouser Part No 457-N324P7T1W02D20	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	12In Stock	$49.54 $41.92 $38.67 $31.38 View $28.91 $28.83	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-P7T1-W19DG3-10A E-T-A 1: $55.83 4In Stock	Mfr. Part No. 3120-N324-P7T1-W19DG3-10A Mouser Part No 457-N324P7T1W19DG310	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	4In Stock	$55.83 $46.32 $40.08 $34.93 View $30.74 $28.62 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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-P7T1-W19DG3-5A E-T-A 1: $44.04 14In Stock	Mfr. Part No. 3120-N324-P7T1-W19DG3-5A Mouser Part No 457-N324P7T1W19DG35	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	14In Stock	$44.04 $44.03 $43.31 $36.56 View $32.76 $32.35 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
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-N524-P7T1-W01D-5A E-T-A 1: $49.53 2In Stock	Mfr. Part No. 3120-N524-P7T1-W01D-5A Mouser Part No 457-N524P7T1W01D5	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	2In Stock	$49.53 $41.09 $33.65 $29.84 View $24.91 $23.11 $23.07 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-N524-P7T1-W02D-10A E-T-A 1: $49.54 7In Stock	Mfr. Part No. 3120-N524-P7T1-W02D-10A Mouser Part No 457-N524P7T1W02D10	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	7In Stock	$49.54 $41.10 $35.24 $32.71 View $29.80 $28.85 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	1 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-N524-P7T1-W02D-20A E-T-A 1: $45.47 7In Stock	Mfr. Part No. 3120-N524-P7T1-W02D-20A Mouser Part No 457-N524P7T1W02D20	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	7In Stock	$45.47 $38.20 $31.26 $29.21 View $24.98 $23.18 $23.16 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
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-N3P3-P7T1-W19D-382063-30A E-T-A 1: $43.08 5In Stock	Mfr. Part No. 3120-N3P3-P7T1-W19D-382063-30A Mouser Part No 457-P7T1W19D38206330	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 Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	5In Stock	$43.08 $40.90 $34.75 $33.65 View $32.13 $30.62 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	30 A	240 VAC	50 VDC		Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag 203-2-1-63-203-6-1-20 AIRPAX 1: $279.52 2In Stock 1Expected 20/11/2026	Mfr. Part No. 203-2-1-63-203-6-1-20 Mouser Part No 874-20321632036100	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	2In Stock 1Expected 20/11/2026	$279.52	Min.: 1 Mult.: 1	203	Circuit Breakers	Magnetic	20 A	120 VAC	32 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers Cir Brkr Hyd Mag 203-2-1-66-163-4-1-1 AIRPAX 1: $251.78 1In Stock	Mfr. Part No. 203-2-1-66-163-4-1-1 Mouser Part No 874-2032166163410	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag		1In Stock	$251.78	Min.: 1 Mult.: 1	203	Circuit Breakers	Magnetic	16 A	120 VAC	32 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGHS62-1REC4-27263-1-V AIRPAX 1: $163.44 3In Stock	Mfr. Part No. IEGHS62-1REC4-27263-1-V Mouser Part No 874-HS621REC4272631V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ieg breakers	Datasheet	3In Stock	$163.44 $142.77 $99.18 $87.17 View $72.17 Quote	Min.: 1 Mult.: 1	IEG	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	240 VAC	80 VDC	2 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGH111-28642-037-V AIRPAX 1: $173.27 3In Stock	Mfr. Part No. IEGH111-28642-037-V Mouser Part No 874-IEGH11128642037V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ieg breakers	Datasheet	3In Stock	$173.27 $151.35 $105.20 $92.45 View $76.47 Quote	Min.: 1 Mult.: 1	IEG	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	10 A	250 VAC		3 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEGH666-28642-035-V AIRPAX 1: $185.07 6In Stock	Mfr. Part No. IEGH666-28642-035-V Mouser Part No 874-IEGH66628642035V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ieg breakers	Datasheet	6In Stock	$185.07 $161.65 $112.32 $98.66 View $81.69 Quote	Min.: 1 Mult.: 1	IEG	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	250 VAC		3 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER IEGZX010-36612-1-V AIRPAX 1: $195.79 1In Stock	Mfr. Part No. IEGZX010-36612-1-V Mouser Part No 874-IEGZX010366121V	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ieg breakers	Datasheet	1In Stock	$195.79 $171.03 $118.86 $104.47 View $86.43 Quote	Min.: 1 Mult.: 1	IEG	Circuit Breakers	Hydraulic Magnetic	30 A	240 VAC	80 VDC	3 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag R14-S-SP-22083-1 AIRPAX 1: $27.82 4In Stock	Mfr. Part No. R14-S-SP-22083-1 Mouser Part No 874-R14-S-SP-22083-1	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	4In Stock	$27.82 $26.22 $25.42 $24.10 View $23.05 $22.25 $20.48 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal		250 VAC	65 VDC	1 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1POLE 1Amps Therm Circuit Brker W28-XT1A-1 TE Connectivity / P&B 1: $8.60 1,004In Stock	Mfr. Part No. W28-XT1A-1 Mouser Part No 655-W28-XT1A-1	TE Connectivity / P&B	Circuit Breakers 1POLE 1Amps Therm Circuit Brker	Datasheet	1,004In Stock	$8.60 $8.20 $7.44 $7.04 View $6.33 $6.22 $5.93 Quote	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	1 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 10A PUSH TO REST W28-XT1A-10 TE Connectivity / P&B 1: $6.03 654In Stock	Mfr. Part No. W28-XT1A-10 Mouser Part No 655-W28-XT1A-10	TE Connectivity / P&B	Circuit Breakers 10A PUSH TO REST	Datasheet	654In Stock	$6.03 $5.23 $4.23 $3.77 View $3.58 $3.41 $3.38 $3.22 $3.18	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	10 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated