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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 protection of motors 3120-N521-P7T1-W12DY3-8A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W12DY3-8A Mouser Part No 457-521P7T1W12DY38	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	Non-Stocked Lead-Time 6 Weeks	£33.24 £28.32 £26.33 £23.67 £22.29	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-W12DY4-5A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W12DY4-5A Mouser Part No 457-521P7T1W12DY45	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	£33.24 £28.32 £26.33 £23.67 £22.29	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-W12LY3-6A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W12LY3-6A Mouser Part No 457-521P7T1W12LY36A	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	£33.24 £28.32 £26.33 £23.67 £22.29	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-W14DR4-3.5A E-T-A 1: £27.99 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W14DR4-3.5A Mouser Part No 457-521P7T1W14DR43.5	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	£27.99 £25.53 £25.52 £25.39 View £22.66 £22.43 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-N521-P7T1-W14FR4-10A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W14FR4-10A Mouser Part No 457-521P7T1W14FR410	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	£33.24 £28.32 £26.33 £23.67 £22.29	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-W15DY4-2A E-T-A 1: £43.27 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W15DY4-2A Mouser Part No 457-521P7T1W15DY42A	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	£43.27 £36.89 £34.11 £29.95 £26.81	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-W15DY4-5A E-T-A 1: £28.86 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W15DY4-5A Mouser Part No 457-521P7T1W15DY45	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	£28.86 £25.81 £25.36 £22.70 View £22.41 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-W19DG2-8A E-T-A 1: £33.23 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19DG2-8A Mouser Part No 457-521P7T1W19DG28	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	Non-Stocked Lead-Time 6 Weeks	£33.23 £28.62 £24.32 £22.86 £20.28	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-W19DG3-5A E-T-A 1: £27.99 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19DG3-5A Mouser Part No 457-521P7T1W19DG35	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	£27.99 £25.53 £25.52 £25.39 View £22.66 £22.43 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-N521-P7T1-W19DG4-10A E-T-A 1: £28.86 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19DG4-10A Mouser Part No 457-521P7T1W19DG410	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	£28.86 £25.81 £25.36 £22.70 View £22.41 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-W19DG4-16A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19DG4-16A Mouser Part No 457-521P7T1W19DG416	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	Non-Stocked Lead-Time 6 Weeks	£33.24 £28.32 £26.33 £23.67 £22.29	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-W19DG4-4A E-T-A 1: £43.13 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19DG4-4A Mouser Part No 457-521P7T1W19DG44A	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	£43.13 £32.36 £28.11 £25.14 View £22.23 £20.28	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-W19KG4-5A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19KG4-5A Mouser Part No 457-521P7T1W19KG45	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	£33.24 £28.32 £26.33 £23.67 £22.29	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-W19LG4-3A E-T-A 1: £27.99 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N521-P7T1-W19LG4-3A Mouser Part No 457-521P7T1W19LG43A	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	£27.99 £25.53 £25.52 £25.39 View £22.66 £22.43 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 p 3120-N523-H7T1-W12FY4-20A E-T-A 1: £31.93 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-H7T1-W12FY4-20A Mouser Part No 457-523H7T1W12FY420	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 p Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	£31.93 £28.61 £24.86 £24.00 £21.30	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 3120-N523-H7T1-W19DG4-12A E-T-A 1: £33.74 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-H7T1-W19DG4-12A Mouser Part No 457-523H7T1W19DG412	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 Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	£33.74 £30.16 £26.33 £25.35 £22.50	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 p 3120-N523-H7T1-W19DG4-15A E-T-A 1: £36.87 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-H7T1-W19DG4-15A Mouser Part No 457-523H7T1W19DG415	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 p Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	£36.87 £31.41 £29.20 £26.07 £22.50	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 p 3120-N523-H7T1-W19DG4-8A E-T-A 1: £36.87 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-H7T1-W19DG4-8A Mouser Part No 457-523H7T1W19DG48	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 p Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	£36.87 £31.41 £29.20 £26.07 £22.50	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-H7T1-W19DG4-9A E-T-A 1: £33.74 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-H7T1-W19DG4-9A Mouser Part No 457-523H7T1W19DG49	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	Non-Stocked Lead-Time 6 Weeks	£33.74 £30.16 £26.33 £25.35 £22.50	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-W01K-15A E-T-A 1: £26.34 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W01K-15A Mouser Part No 457-523P7T1W01K15	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	£26.34 £23.55 £22.69 £22.34 View £19.71 £19.47 £19.41 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-W01K-7A E-T-A 1: £24.16 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W01K-7A Mouser Part No 457-523P7T1W01K7	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	£24.16 £22.50 £22.49 £22.37 View £19.69 £19.49 £19.42 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-W01L-10A E-T-A 1: £33.41 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W01L-10A Mouser Part No 457-523P7T1W01L10A	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	£33.41 £27.72 £23.68 £22.12 View £19.94 £19.30 £19.25 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-N523-P7T1-W02D-16A E-T-A 1: £33.41 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W02D-16A Mouser Part No 457-523P7T1W02D16	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	£33.41 £27.72 £22.86 £20.61 £19.21	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-N523-P7T1-W02D-8A E-T-A 1: £33.41 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W02D-8A Mouser Part No 457-523P7T1W02D8	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	Non-Stocked Lead-Time 6 Weeks	£33.41 £27.72 £25.54 £24.05 View £23.02 £22.47 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-W19DG4-10A E-T-A 1: £33.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 3120-N523-P7T1-W19DG4-10A Mouser Part No 457-523P7T1W19DG410	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	£33.24 £28.32 £26.33 £23.67 £22.29	Min.: 1 Mult.: 1