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38 mm Circuit Breakers

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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.	Series	Product	Type	Current Rating	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-8A E-T-A 1: $18.61 348In Stock	Mfr. Part No. 1170-21-8A Mouser Part No 457-1170-21-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	348In Stock	$18.61 $15.46 $14.26 $11.80 View $10.89 $10.36	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-30A E-T-A 1: $19.97 166In Stock	Mfr. Part No. 1170-22-30A Mouser Part No 457-1170-22-30A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	166In Stock	$19.97 $16.57 $15.29 $12.67 View $11.68 $11.19	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	30 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-8A E-T-A 1: $25.68 45In Stock	Mfr. Part No. 1170-22-8A Mouser Part No 457-1170-22-8A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	45In Stock	$25.68 $23.71 $21.74 $12.96 View $12.92 $12.08 $11.94 $11.89 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	8 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-4A E-T-A 1: $23.33 42In Stock 50Expected 2026/10/23	Mfr. Part No. 1170-21-4A Mouser Part No 457-1170-21-4A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	42In Stock 50Expected 2026/10/23	$23.33 $21.24 $19.47 $14.70 View $13.82 $12.89 $12.28 $12.23	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	4 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-7.5A E-T-A 1: $20.50 21In Stock	Mfr. Part No. 1170-22-7.5A Mouser Part No 457-1170-22-7.5A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	21In Stock	$20.50 $18.47 $16.92 $12.96 View $12.07 $11.26 $10.73 $10.55 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	7.5 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-6A E-T-A 1: $20.52 50In Stock	Mfr. Part No. 1170-22-6A Mouser Part No 457-1170-22-6A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	50In Stock	$20.52 $16.11 $14.70 $12.96 View $12.07 $11.26 $10.73 $10.55	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	6 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-3A E-T-A 1: $23.19 1,784In Stock	Mfr. Part No. 1170-21-3A Mouser Part No 457-1170-21-3A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	1,784In Stock	$23.19 $18.38 $16.97 $15.01 View $13.83 $13.26 $11.94 $11.93 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	3 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-10A E-T-A 1: $21.26 809In Stock	Mfr. Part No. 1170-21-10A Mouser Part No 457-1170-21-10A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	809In Stock	$21.26 $17.64 $16.27 $14.18 View $12.68 $12.05 $10.36	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	10 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-10A E-T-A 1: $18.22 159In Stock 41Expected 2026/10/05	Mfr. Part No. 1170-22-10A Mouser Part No 457-1170-22-10A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	159In Stock 41Expected 2026/10/05	$18.22 $15.12 $13.96 $11.55 $10.90	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	10 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-15A E-T-A 1: $21.19 106In Stock	Mfr. Part No. 1170-21-15A Mouser Part No 457-1170-21-15A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	106In Stock	$21.19 $17.60 $16.24 $14.39 View $12.64 $11.39	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	15 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-20A E-T-A 1: $19.76 94In Stock	Mfr. Part No. 1170-21-20A Mouser Part No 457-1170-21-20A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	94In Stock	$19.76 $16.40 $15.13 $12.54 $10.36	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	20 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-30A E-T-A 1: $22.92 68In Stock	Mfr. Part No. 1170-21-30A Mouser Part No 457-1170-21-30A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	68In Stock	$22.92 $18.75 $17.47 $15.41 View $13.07 $13.04 $12.46 $12.44	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	30 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-5A E-T-A 1: $22.78 84In Stock	Mfr. Part No. 1170-21-5A Mouser Part No 457-1170-21-5A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	84In Stock	$22.78 $18.26 $16.86 $16.81 View $13.30 $11.94 $11.39	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	5 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-6A E-T-A 1: $21.04 108In Stock	Mfr. Part No. 1170-21-6A Mouser Part No 457-1170-21-6A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	108In Stock	$21.04 $16.70 $15.42 $13.34 View $12.11 $10.97 $10.36	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	6 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-7.5A E-T-A 1: $21.42 42In Stock	Mfr. Part No. 1170-21-7.5A Mouser Part No 457-1170-21-7.5A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	42In Stock	$21.42 $20.93 $17.78 $13.48 View $12.78 $12.13 $11.93 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	7.5 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-15A E-T-A 1: $20.43 21In Stock 150Expected 2026/11/24	Mfr. Part No. 1170-22-15A Mouser Part No 457-1170-22-15A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	21In Stock 150Expected 2026/11/24	$20.43 $16.96 $15.64 $12.96 View $11.94 $10.90	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	15 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-20A E-T-A 1: $20.06 55In Stock	Mfr. Part No. 1170-22-20A Mouser Part No 457-1170-22-20A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	55In Stock	$20.06 $16.65 $15.36 $12.72 View $11.72 $10.53 $9.91	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	20 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-25A E-T-A 1: $20.38 40In Stock	Mfr. Part No. 1170-22-25A Mouser Part No 457-1170-22-25A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	40In Stock	$20.38 $16.91 $15.61 $12.92 View $11.91 $10.90	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	25 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-3A E-T-A 1: $21.86 14In Stock 250On Order	Mfr. Part No. 1170-22-3A Mouser Part No 457-1170-22-3A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	14In Stock 250On Order On Order Ship Dates Mfr. No: 1170-22-3A Stock: 14 Can Dispatch Immediately On Order: 100 Expected 2026/10/23 150 Expected 2026/11/23 Factory Lead Time: 9 Weeks	$21.86 $18.14 $16.75 $13.86 View $12.78 $11.47 $10.89	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	3 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-5A E-T-A 1: $22.26 7In Stock 50Expected 2026/10/22	Mfr. Part No. 1170-22-5A Mouser Part No 457-1170-22-5A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	7In Stock 50Expected 2026/10/22	$22.26 $18.47 $17.04 $14.11 View $13.00 $11.97	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	5 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-21-25A E-T-A 1: $18.12 90Expected 2026/12/18	Mfr. Part No. 1170-21-25A Mouser Part No 457-1170-21-25A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	90Expected 2026/12/18	$18.12 $15.04 $13.89 $11.49 $11.39	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	25 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 1170-22-4A E-T-A 1: $22.29 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 1170-22-4A Mouser Part No 457-1170-22-4A	E-T-A	Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o	Datasheet	Non-Stocked Lead-Time 6 Weeks	$22.29 $17.69 $16.15 $14.11 View $13.22 $12.33 $11.76 $11.72 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	4 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1170-21-D91-10A E-T-A 1: $19.97 Non-Stocked	Mfr. Part No. 1170-21-D91-10A Mouser Part No 457-117021D9110A	E-T-A	Circuit Breakers	Datasheet	Non-Stocked	$19.97 $17.98 $16.48 $14.24 View $11.98 $11.25 $10.11 $9.75	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	10 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1170-21-D91-15A E-T-A 1: $19.97 Non-Stocked	Mfr. Part No. 1170-21-D91-15A Mouser Part No 457-117021D9115A	E-T-A	Circuit Breakers	Datasheet	Non-Stocked	$19.97 $17.98 $16.48 $14.24 View $11.98 $11.25 $10.11 $9.75	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	15 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1170-21-D91-25A E-T-A 1: $21.22 Non-Stocked	Mfr. Part No. 1170-21-D91-25A Mouser Part No 457-117021D9125A	E-T-A	Circuit Breakers	Datasheet	Non-Stocked	$21.22 $19.12 $17.53 $15.13 View $12.75 $11.96 $10.76 $10.36 Quote	Min.: 1 Mult.: 1	1170	Miniature Circuit Breakers	Automotive	25 A	28 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated

38 mm Circuit Breakers

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