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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 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-W19DG4-20A E-T-A 1: $51.00 3In Stock 30On Order	Mfr. Part # 3120-N521-P7T1-W19DG4-20A Mouser Part # 457-3120N52119DG420A	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	Datasheet	3In Stock 30On Order On Order Ship Dates Mfr. #: 3120-N521-P7T1-W19DG4-20A Stock: 3 Can Ship Immediately On Order: 10 Expected 11/13/2026 20 Expected 12/25/2026 Factory Lead-Time: 12 Weeks	$51.00 $42.31 $39.82 $33.81 View $30.19 $29.84 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-N314-P7T1-W04X-16A E-T-A 1: $36.05 3In Stock	Mfr. Part # 3120-N314-P7T1-W04X-16A Mouser Part # 457-314P7T1W04X16A	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	3In Stock	$36.05 $29.90 $24.65 $23.69 View $20.94 $20.56 $20.27 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-H7T1-W01F-20A E-T-A 1: $37.03 9In Stock	Mfr. Part # 3120-N321-H7T1-W01F-20A Mouser Part # 457-321H7T1W01F20A	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	9In Stock	$37.03 $34.03 $28.92 $28.07 View $22.25 $21.31 $21.25 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-N323-P7T1-W19FG4-5A E-T-A 1: $51.00 3In Stock	Mfr. Part # 3120-N323-P7T1-W19FG4-5A Mouser Part # 457-323P7T1W19FG45A	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	$51.00 $34.28 $34.27 $33.81 View $30.19 $29.84 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-N32A-P7T1-W12DY3-1A E-T-A 1: $67.55 8In Stock	Mfr. Part # 3120-N32A-P7T1-W12DY3-1A Mouser Part # 457-32AP7T1W12DY31A	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	8In Stock	$67.55 $56.04 $46.59 $40.91 View $34.97 $32.90 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 pro 3120-N351-P7T1-W01D-10A E-T-A 1: $35.20 8In Stock	Mfr. Part # 3120-N351-P7T1-W01D-10A Mouser Part # 457-351P7T1W01D10	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 pro Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	8In Stock	$35.20 $29.20 $23.79 $23.25 View $20.43 $20.17 $20.01 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-N521-P7T1-W01D-9A E-T-A 1: $44.49 8In Stock	Mfr. Part # 3120-N521-P7T1-W01D-9A Mouser Part # 457-521P7T1W01D9	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	8In Stock	$44.49 $36.91 $30.22 $29.75 View $26.26 $25.93 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-N523-P7T1-W01D-10A E-T-A 1: $44.49 10In Stock	Mfr. Part # 3120-N523-P7T1-W01D-10A Mouser Part # 457-523P7T1W01D10	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	$44.49 $36.91 $34.05 $29.75 View $26.23 $25.93 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 sui 3120-N554-P7T1-W15DY3-5A E-T-A 1: $46.90 7In Stock	Mfr. Part # 3120-N554-P7T1-W15DY3-5A Mouser Part # 457-554P7T1W15DY35A	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 sui Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	7In Stock	$46.90 $38.91 $31.78 $31.28 View $27.61 $27.25 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-N561-N7Q1-W14DR3-16A E-T-A 1: $31.68 2In Stock	Mfr. Part # 3120-N561-N7Q1-W14DR3-16A Mouser Part # 457-561N7Q1W14DR316	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	2In Stock	$31.68 $26.28 $21.52 $18.97 View $16.06 $15.07 $14.24 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-F130-P7T1-W02Q-3A E-T-A 1: $62.46 3In Stock	Mfr. Part # 3130-F130-P7T1-W02Q-3A Mouser Part # 457-30F130P7T1W02Q3A	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	3In Stock	$62.46 $51.82 $47.79 $39.56 View $36.81 $34.18	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-W19DG3-20A E-T-A 1: $37.59 7In Stock	Mfr. Part # 3120-N311-P7T1-W19DG3-20A Mouser Part # 457-3120N31119DG320A	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	7In Stock	$37.59 $31.19 $26.52 $24.42 View $21.89 $21.20 $20.95	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-W19FG3-10A E-T-A 1: $37.59 9In Stock	Mfr. Part # 3120-N311-P7T1-W19FG3-10A Mouser Part # 457-3120N31119FG310A	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	9In Stock	$37.59 $31.19 $25.70 $22.68 $20.95	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-N323-P7T1-W14FR3-20A E-T-A 1: $72.10 7In Stock	Mfr. Part # 3120-N323-P7T1-W14FR3-20A Mouser Part # 457-3120N32314FR320A	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	7In Stock	$72.10 $68.49 $47.37 $46.48 View $42.92 $42.61 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-H7T1-W04L-10A E-T-A 1: $37.03 9In Stock	Mfr. Part # 3120-N321-H7T1-W04L-10A Mouser Part # 457-321H7T1W04L10A	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	9In Stock	$37.03 $34.03 $28.92 $28.07 View $22.25 $21.31 $21.25 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-0.3A E-T-A 1: $60.33 4In Stock	Mfr. Part # 3120-N321-P7T1-W01D-0.3A Mouser Part # 457-321P7T1W01D0.3A	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	4In Stock	$60.33 $44.62 $40.63 $39.65 View $35.37 $34.97 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-W02F-1.2A E-T-A 1: $60.34 3In Stock	Mfr. Part # 3120-N321-P7T1-W02F-1.2A Mouser Part # 457-321P7T1W02F1.2A	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	$60.34 $44.62 $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-W14FR3-1A E-T-A 1: $65.86 3In Stock	Mfr. Part # 3120-N321-P7T1-W14FR3-1A Mouser Part # 457-321P7T1W14FR31A	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	$65.86 $46.08 $45.55 $43.58 View $39.14 $38.27 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-N323-P7T1-W02L-2.5A E-T-A 1: $38.44 5In Stock	Mfr. Part # 3120-N323-P7T1-W02L-2.5A Mouser Part # 457-323P7T1W02L2.5A	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	5In Stock	$38.44 $33.34 $30.08 $29.75 View $26.23 $25.93 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-W19DG4-8A E-T-A 1: $53.49 20In Stock	Mfr. Part # 3120-N324-P7T1-W19DG4-8A Mouser Part # 457-324P7T1W19DG48A	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	20In Stock	$53.49 $44.37 $41.47 $35.23 View $32.09 $31.13	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-N511-P7T1-W14DR3-7A E-T-A 1: $37.59 7In Stock	Mfr. Part # 3120-N511-P7T1-W14DR3-7A Mouser Part # 457-511P7T1W14DR37	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	7In Stock	$37.59 $31.19 $25.70 $22.68 $20.95	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-N521-P7T1-W15DY4-10A E-T-A 1: $51.00 2In Stock	Mfr. Part # 3120-N521-P7T1-W15DY4-10A Mouser Part # 457-521P7T1W15DY410	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	2In Stock	$51.00 $34.00 $33.99 $33.81 View $30.19 $29.84 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 pr 3120-N521-P7T1-W19LG4-16A E-T-A 1: $62.97 7In Stock	Mfr. Part # 3120-N521-P7T1-W19LG4-16A Mouser Part # 457-521P7T1W19LG416	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	7In Stock	$62.97 $58.48 $47.73 $46.72 View $43.17 $42.79 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 pr 3120-N523-P7T1-W12XY4-8A E-T-A 1: $51.01 3In Stock	Mfr. Part # 3120-N523-P7T1-W12XY4-8A Mouser Part # 457-523P7T1W12XY48	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	3In Stock	$51.01 $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 prot 3120-N551-P7T1-W04F-14A E-T-A 1: $35.21 7In Stock	Mfr. Part # 3120-N551-P7T1-W04F-14A Mouser Part # 457-551P7T1W04F14	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	7In Stock	$35.21 $29.21 $24.07 $21.24 $19.62	Min.: 1 Mult.: 1