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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 prot 3120-N32G-P7T1-D01X-2A E-T-A 1: £46.02 7In Stock	Mfr. Part No. 3120-N32G-P7T1-D01X-2A Mouser Part No 457-32GP7T1D01X2	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	£46.02 £38.17 £31.11 £30.20 View £27.00 £26.64 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-N501-N7Q1-W15FY2-16A E-T-A 1: £29.88 5In Stock	Mfr. Part No. 3120-N501-N7Q1-W15FY2-16A Mouser Part No 457-501N7Q1W15FY216	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	£29.88 £24.78 £19.35 £17.84 View £17.56 £17.14 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-H7T1-W01D-10A E-T-A 1: £35.26 2In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-10A Mouser Part No 457-521H7T1W01D10	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	2In Stock	£35.26 £29.25 £24.12 £21.75 £18.45	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-H7T1-W01D-20A E-T-A 1: £55.73 8In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-20A Mouser Part No 457-521H7T1W01D20	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	£55.73 £46.23 £40.21 £37.18 View £34.51 £33.49 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-W01D-12A E-T-A 1: £25.67 2In Stock 20Expected 25/12/2026	Mfr. Part No. 3120-N521-P7T1-W01D-12A Mouser Part No 457-521P7T1W01D12	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 20Expected 25/12/2026	£25.67 £21.31 £19.65 £19.21 £17.48	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-W02D-10A E-T-A 1: £33.37 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	£33.37 £28.23 £25.54 £21.14 View £19.48 £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 pr 3120-N521-P7T1-W19DG4-8A E-T-A 1: £35.21 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	£35.21 £30.86 £29.82 £24.45 View £24.16 Quote	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: £19.69 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	£19.69 £18.18 £16.67 £12.96 View £11.51 £10.72	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 3130-F120-P7T1-W12QY7-3A E-T-A 1: £33.49 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	£33.49 £32.57 £30.03 £24.37 View £22.85 £22.34 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-N311-P7T1-W01D-15A E-T-A 1: £19.60 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	£19.60 £16.62 £13.69 £13.01 £11.51	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: £22.81 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	£22.81 £18.93 £17.28 £14.24 View £12.93 £12.65	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: £22.81 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	£22.81 £18.93 £17.09 £14.19 £12.65	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: £22.81 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	£22.81 £18.93 £17.46 £13.69 £11.51	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: £25.67 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	£25.67 £21.31 £19.65 £19.21 £17.48	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: £27.22 5In 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	5In Stock 20On Order On Order Ship Dates Mfr. No: 3120-N321-P7T1-W01D-16A Stock: 5 Can Dispatch Immediately On Order: 10 Expected 06/11/2026 10 Expected 25/12/2026 Factory Lead Time: 11 Weeks	£27.22 £22.58 £20.84 £19.21 £17.48	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: £34.27 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	£34.27 £28.43 £28.42 £26.36 £23.99	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: £30.60 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	£30.60 £25.72 £22.14 £19.80 £17.48	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: £33.37 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	£33.37 £27.71 £25.55 £24.38 View £22.20 £21.57 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: £38.30 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	£38.30 £29.36 £27.22 £23.72 £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-N323-P7T1-W02D-10A E-T-A 1: £33.37 7In Stock	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	7In Stock	£33.37 £27.68 £24.66 £21.14 View £19.41 £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 prot 3120-N323-P7T1-W02D-5A E-T-A 1: £33.41 3In Stock	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	3In Stock	£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...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: £33.65 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	£33.65 £28.56 £26.09 £21.88 £19.69	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-W02D-20A E-T-A 1: £37.19 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	£37.19 £31.47 £29.04 £23.35 £21.64	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: £41.91 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	£41.91 £34.78 £30.09 £26.22 View £23.08 £22.51	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: £33.06 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	£33.06 £32.52 £27.45 £24.59 View £24.29 Quote	Min.: 1 Mult.: 1