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18 mm Circuit Protection

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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.
Industrial Surge Protectors III R 230V/6KV AC 1351650000 Weidmuller 1: £87.76 20In Stock	Mfr. Part No. 1351650000 Mouser Part No 470-1351650000	Weidmuller	Industrial Surge Protectors III R 230V/6KV AC Learn More about Weidmuller vpu suppressors	Datasheet	20In Stock	£87.76 £83.64 £80.32 £70.94	Min.: 1 Mult.: 1
Circuit Breakers 482-G323-J1M1-B2S1-4A E-T-A 1: £181.44 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-4A Mouser Part No 457-82G323J1M1B2S14A	E-T-A	Circuit Breakers		1In Stock	£181.44 £150.39 £138.62 £114.56 View Quote	Min.: 1 Mult.: 1
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: £56.67 44In Stock	Mfr. Part No. 5SY41066 Mouser Part No 982-5SY41066	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	44In Stock	£56.67 £48.40 £45.85 £38.21 View £35.66 £33.11	Min.: 1 Mult.: 1
Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP 5SY41187 Siemens 1: £56.45 32In Stock	Mfr. Part No. 5SY41187 Mouser Part No 982-5SY41187	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	32In Stock	£56.45 £47.60 £44.51 £35.74 View £32.90 £32.80	Min.: 1 Mult.: 1
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S1-6A E-T-A 1: £185.07 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-6A Mouser Part No 457-82G323J1M1B2S16A	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	1In Stock	£185.07 £140.14 £127.13	Min.: 1 Mult.: 1
Industrial Surge Protectors 48VDC 2W+G 1320-S-48 Bourns 1: £72.99 88In Stock	Mfr. Part No. 1320-S-48 Mouser Part No 652-1320-S-48	Bourns	Industrial Surge Protectors 48VDC 2W+G Learn More about Bourns dc spds	Datasheet	88In Stock	£72.99 £71.62 £69.79	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP 5SJ41066HG40 Siemens 1: £58.59 6In Stock	Mfr. Part No. 5SJ41066HG40 Mouser Part No 982-5SJ41066HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	6In Stock	£58.59 £50.05 £48.15 £44.61 View £43.14 Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors AC II US 1 R 120/50 2730460000 Weidmuller 1: £104.01 3In Stock Restricted Availability	Mfr. Part No. 2730460000 Mouser Part No 470-2730460000	Weidmuller	Industrial Surge Protectors AC II US 1 R 120/50 Learn More about Weidmuller vpu suppressors Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	3In Stock	£104.01 £87.81 £68.83 £68.79 £68.30	Min.: 1 Mult.: 1 Restricted Availability
Circuit Breakers MCB 5SJ4 1P 240V 1A 14K D-TRIP 5SJ41018HG41 Siemens 1: £65.09 5In Stock	Mfr. Part No. 5SJ41018HG41 Mouser Part No 982-5SJ41018HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 1A 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£65.09 £56.47 £53.50 £44.58 £41.61	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP 5SJ41048HG40 Siemens 1: £58.59 5In Stock	Mfr. Part No. 5SJ41048HG40 Mouser Part No 982-5SJ41048HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	5In Stock	£58.59 £50.81 £48.15 £40.12 £37.44	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP 5SJ41067HG41 Siemens 1: £65.09 23In Stock	Mfr. Part No. 5SJ41067HG41 Mouser Part No 982-5SJ41067HG41	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	23In Stock	£65.09 £56.47 £53.50 £44.58 £41.61	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 5SJ41118HG40 Siemens 1: £58.59 16In Stock	Mfr. Part No. 5SJ41118HG40 Mouser Part No 982-5SJ41118HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	16In Stock	£58.59 £50.81 £48.15 £40.12 £37.44	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 5SJ41037HG42 Siemens 1: £65.09 13In Stock	Mfr. Part No. 5SJ41037HG42 Mouser Part No 982-5SJ41037HG42	Siemens	Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	13In Stock	£65.09 £56.47 £53.50 £44.58 £41.61	Min.: 1 Mult.: 1
Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K C-TRIP 5SY41017 Siemens 1: £56.45 20In Stock	Mfr. Part No. 5SY41017 Mouser Part No 982-5SY41017	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	20In Stock	£56.45 £47.60 £44.51 £35.74 View £32.90 £32.80	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 20A SAME PH 14K C-TRIP 5SJ41207HG40 Siemens 1: £59.14 24In Stock	Mfr. Part No. 5SJ41207HG40 Mouser Part No 982-5SJ41207HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 20A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	24In Stock	£59.14 £49.63 £45.77 £37.87 £34.88	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP 5SJ41027HG40 Siemens 1: £58.59 15In Stock	Mfr. Part No. 5SJ41027HG40 Mouser Part No 982-5SJ41027HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	15In Stock	£58.59 £50.81 £48.15 £40.12 £37.44	Min.: 1 Mult.: 1
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S0T-20A E-T-A 1: £136.35 7In Stock	Mfr. Part No. 482-G323-J1M1-B2S0T-20A Mouser Part No 457-2G323J1M1B2S0T20	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	7In Stock	£136.35 £135.36 £97.57 £89.74 £87.68	Min.: 1 Mult.: 1
Industrial Surge Protectors 110VDC 2W+G 1320-S-110 Bourns 1: £98.78 74In Stock	Mfr. Part No. 1320-S-110 Mouser Part No 652-1320-S-110	Bourns	Industrial Surge Protectors 110VDC 2W+G Learn More about Bourns dc spds	Datasheet	74In Stock	£98.78 £86.09 £81.63 £81.38 View £80.99 £73.53 Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 24Vdc, 20kA 8/20 s DS220S-24DC Citel 1: £79.55 181In Stock 416Expected 03/12/2026	Mfr. Part No. DS220S-24DC Mouser Part No 703-DS220S-24DC	Citel	Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 24Vdc, 20kA 8/20 s Learn More about Citel ds220s	Datasheet	181In Stock 416Expected 03/12/2026	£79.55 £65.18	Min.: 1 Mult.: 1
Industrial Surge Protectors AC SPD, 1W-G,275VAC 1250A-1S-230 Bourns 1: £77.95 66In Stock	Mfr. Part No. 1250A-1S-230 Mouser Part No 652-1250A-1S-230	Bourns	Industrial Surge Protectors AC SPD, 1W-G,275VAC Learn More about Bourns 1250a ac spds	Datasheet	66In Stock	£77.95 £75.78 £65.24 £62.07 £56.63	Min.: 1 Mult.: 1
Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR BB-UL-TE/50 Eaton Electrical 1: £125.77 76In Stock	Mfr. Part No. BB-UL-TE/50 Mouser Part No 504-BB-UL-TE/50	Eaton Electrical	Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR		76In Stock	£125.77 £105.89 £95.31 £80.04 £73.59	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 12Vdc, 20kA 8/20 s DS220S-12DC Citel 1: £111.04 47In Stock	Mfr. Part No. DS220S-12DC Mouser Part No 703-DS220S-12DC	Citel	Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 12Vdc, 20kA 8/20 s Learn More about Citel ds220s	Datasheet	47In Stock	£111.04 £92.08 £86.07 £65.82	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 48Vdc, 30kA 8/20 s DS230S-48DC Citel 1: £122.22 67In Stock	Mfr. Part No. DS230S-48DC Mouser Part No 703-DS230S-48DC	Citel	Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 48Vdc, 30kA 8/20 s Learn More about Citel ds230s	Datasheet	67In Stock	£122.22 £101.34 £95.64 £73.13	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120 V Single Phase, 2P DS240S-120/G Citel 1: £122.67 74In Stock	Mfr. Part No. DS240S-120/G Mouser Part No 703-DS240S-120/G	Citel	Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 240/120 V Single Phase, 2P Learn More about Citel ds240s ac	Datasheet	74In Stock	£122.67 Quote Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230 V 3 phase, 2P DS240S-230/G Citel 1: £176.73 73In Stock	Mfr. Part No. DS240S-230/G Mouser Part No 703-DS240S-230/G	Citel	Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 400/230 V 3 phase, 2P Learn More about Citel ds240s ac	Datasheet	73In Stock	£176.73 £146.49 £135.06	Min.: 1 Mult.: 1

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