.hide-partial { max-height: none; } .show-more { display: none; }

Snap-In Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 2,426

Applied Filters:

Mounting Style = Snap-In

Manufacturer

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
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-N521-P7T1-W02D-10A E-T-A 1: $44.44 6In Stock	Mfr. Part No. 3120-N521-P7T1-W02D-10A Mouser Part No 457-521P7T1W02D10	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	6In Stock	$44.44 $37.61 $34.01 $28.16 View $25.94 $25.59	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 pr 3120-N521-P7T1-W19DG4-8A E-T-A 1: $51.01 18In Stock	Mfr. Part No. 3120-N521-P7T1-W19DG4-8A Mouser Part No 457-521P7T1W19DG	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 pr Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	18In Stock	$51.01 $42.32 $39.72 $33.65 View $30.65 $29.69	Min.: 1 Mult.: 1
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 1410-F110-P1F1-W14Q-6.3A E-T-A 1: $26.23 33In Stock	Mfr. Part No. 1410-F110-P1F1-W14Q-6.3A Mouser Part No 457-F110P1F1W14Q6.3A	E-T-A	Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f	Datasheet	33In Stock	$26.23 $24.22 $22.20 $17.27 View $15.33 $14.28	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-F120-P7T1-W12QY7-3A E-T-A 1: $44.60 24In Stock	Mfr. Part No. 3130-F120-P7T1-W12QY7-3A Mouser Part No 457-F120P7T1W12QY73A	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	24In Stock	$44.60 $43.38 $40.00 $32.47 View $30.43 $29.76 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-N311-P7T1-W01D-15A E-T-A 1: $26.10 10In Stock	Mfr. Part No. 3120-N311-P7T1-W01D-15A Mouser Part No 457-N311P7T1W01D15	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	10In Stock	$26.10 $22.14 $18.23 $17.32 View $15.11 $14.13 $13.39 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-N311-P7T1-W01D-20A E-T-A 1: $30.38 35In Stock	Mfr. Part No. 3120-N311-P7T1-W01D-20A Mouser Part No 457-N311P7T1W01D20	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	35In Stock	$30.38 $25.21 $23.11 $19.06 View $17.45 $16.85	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-W01D-5A E-T-A 1: $30.38 24In Stock	Mfr. Part No. 3120-N311-P7T1-W01D-5A Mouser Part No 457-N311P7T1W01D5	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	24In Stock	$30.38 $25.21 $23.07 $19.12 View $17.29 $16.85	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-W02D-20A E-T-A 1: $30.38 1In Stock	Mfr. Part No. 3120-N311-P7T1-W02D-20A Mouser Part No 457-N311P7T1W02D20	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	$30.38 $25.21 $23.25 $18.23 View $15.33 $14.12 $13.34 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-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
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 13/11/2026 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
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 11In 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	11In Stock	$45.64 $37.87 $37.86 $35.12 $26.64	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-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
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
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
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 7In 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	7In Stock	$44.81 $38.03 $34.75 $29.14 View $24.74 $23.04 $23.01 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-P7T1-W02D-20A E-T-A 1: $49.54 11In 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	11In Stock	$49.54 $41.92 $38.67 $31.38 View $28.91 $28.83	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-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
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
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
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 6In 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	6In Stock	$49.54 $41.10 $35.24 $32.71 View $29.80 $28.85 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-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
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
Circuit Breakers Cir Brkr Hyd Mag 203-2-1-63-203-6-1-20 AIRPAX 1: $279.52 2In Stock 1Expected 11/11/2026	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 11/11/2026	$279.52	Min.: 1 Mult.: 1
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
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

Snap-In Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support

Share This

Snap-In Circuit Protection

Types of Circuit Protection

Applied Filters: