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18 mm Circuit Protection

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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 SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: $75.49 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	$75.49 $64.48 $61.08 $50.90 View $47.51 $44.11	Min.: 1 Mult.: 1
Industrial Surge Protectors III R 230V/6KV AC 1351650000 Weidmuller 1: $116.92 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	$116.92 $111.43 $107.01 $94.51	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: $246.54 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	$246.54 $186.70 $169.36	Min.: 1 Mult.: 1
Circuit Breakers 482-G323-J1M1-B2S1-4A E-T-A 1: $241.72 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-4A Mouser Part No 457-82G323J1M1B2S14A	E-T-A	Circuit Breakers		1In Stock	$241.72 $200.35 $184.67 $152.61 View Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors 48VDC 2W+G 1320-S-48 Bourns 1: $97.24 93In 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	93In Stock	$97.24 $95.41 $92.97	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 440 V AC, AEC-Q200 AEC-Q200 B59217J0130A020 TDK 1: $5.61 3,560In Stock	Mfr. Part No. B59217J0130A020 Mouser Part No 871-B59217J0130A020	TDK	PTC (Positive Temperature Coefficient) Thermistors 440 V AC, AEC-Q200 AEC-Q200 Learn More about TDK epcos b592 aec q200 thermistors	Datasheet	3,560In Stock	$5.61 $4.65 $4.29 $3.94 View $3.56 $3.29 $2.95 $2.72 $2.61	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 4A SAME PH 14K D-TRIP 5SJ41048HG40 Siemens 1: $78.05 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	$78.05 $67.69 $64.14 $53.45 $49.88	Min.: 1 Mult.: 1
Industrial Surge Protectors AC II US 1 R 120/50 2730460000 Weidmuller 1: $138.56 5In Stock	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	Datasheet	5In Stock	$138.56 $116.97 $91.69 $91.64 $90.99	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 1A 14K D-TRIP 5SJ41018HG41 Siemens 1: $86.71 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	$86.71 $75.22 $71.27 $59.39 $55.43	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 6A 14K C-TRIP 5SJ41067HG41 Siemens 1: $86.71 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	$86.71 $75.22 $71.27 $59.39 $55.43	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 5A SAME PH 14K D-TRIP 5SJ41118HG40 Siemens 1: $78.05 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	$78.05 $67.69 $64.14 $53.45 $49.88	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 5SJ41037HG42 Siemens 1: $86.71 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	$86.71 $75.22 $71.27 $59.39 $55.43	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP 5SJ41066HG40 Siemens 1: $78.05 2In Stock 4Expected 2026/10/16	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	2In Stock 4Expected 2026/10/16	$78.05 $66.67 $64.15 $59.43 View $57.48 Quote	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 2A SAME PH 14K C-TRIP 5SJ41027HG40 Siemens 1: $78.05 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	$78.05 $67.69 $64.14 $53.45 $49.88	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: $181.64 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	$181.64 $180.32 $129.98 $119.56 $116.80	Min.: 1 Mult.: 1
Industrial Surge Protectors 110VDC 2W+G 1320-S-110 Bourns 1: $117.56 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	$117.56 $105.65 $100.65 $100.27 View $100.26 $99.42 Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 24Vdc, 20kA 8/20 s DS220S-24DC Citel 1: $105.97 214In Stock	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	214In Stock	$105.97 $86.83	Min.: 1 Mult.: 1
Industrial Surge Protectors AC SPD, 1W-G,275VAC 1250A-1S-230 Bourns 1: $103.84 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	$103.84 $100.95 $86.91 $82.69 $75.44	Min.: 1 Mult.: 1
Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR BB-UL-TE/50 Eaton Electrical 1: $167.55 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	$167.55 $141.06 $126.96 $106.62 $98.03	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 12Vdc, 20kA 8/20 s DS220S-12DC Citel 1: $147.92 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	$147.92 $122.66 $114.66 $87.69	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail DC Power Surge Suppressor, 48Vdc, 30kA 8/20 s DS230S-48DC Citel 1: $162.82 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	$162.82 $135.00 $127.41 $97.42	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: $163.41 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	$163.41 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: $235.44 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	$235.44 $195.15 $179.93	Min.: 1 Mult.: 1
Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 120 V Single Phase, 1P DS41S-120 Citel 1: $116.97 31In Stock 24Expected 2026/10/21	Mfr. Part No. DS41S-120 Mouser Part No 703-DS41S-120	Citel	Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 40kA max, 120 V Single Phase, 1P Learn More about Citel ds40s	Datasheet	31In Stock 24Expected 2026/10/21	$116.97 $97.01 $89.46 $68.19	Min.: 1 Mult.: 1
Circuit Breakers MCB 5SJ4 1P 240V 10A SAME PH 14K C-TRIP 5SJ41107HG40 Siemens 1: $70.18 36In Stock	Mfr. Part No. 5SJ41107HG40 Mouser Part No 982-5SJ41107HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 10A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	36In Stock	$70.18 $60.71 $56.82 $49.18 View $46.21 $45.87	Min.: 1 Mult.: 1

18 mm Circuit Protection

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