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Chassis Mount 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 AC	Voltage Rating DC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated	Packaging
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm REX12-TA1-107-DC24V-4A E-T-A 1: $52.54 43In Stock	Mfr. Part No. REX12-TA1-107-DC24V-4A Mouser Part No 457-T1107DC24V4	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 4A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	43In Stock	$52.54 $44.22 $41.21 $37.01 View $34.77 $32.62	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	4 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 2A/2A, No Comm REX12-TA2-107-DC24V-2A/2A E-T-A 1: $78.77 54In Stock	Mfr. Part No. REX12-TA2-107-DC24V-2A/2A Mouser Part No 457-T2107DC24V2/2	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 2A/2A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	54In Stock	$78.77 $69.00 $63.64 $54.47 $51.39	Min.: 1 Mult.: 1	REX12-T		Electronic	2 A		24 VDC	2 Pole	Push to Reset	- 25 C	+ 60 C	Non-Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 4A/4A, No Comm REX12-TA2-107-DC24V-4A/4A E-T-A 1: $77.63 71In Stock	Mfr. Part No. REX12-TA2-107-DC24V-4A/4A Mouser Part No 457-T2107DC24V4/4	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 4A/4A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	71In Stock	$77.63 $66.80 $61.24 $54.47 $51.39	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	4 A, 4 A		24 VDC	2 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 6A/6A, No Comm REX12-TA2-107-DC24V-6A/6A E-T-A 1: $79.04 87In Stock	Mfr. Part No. REX12-TA2-107-DC24V-6A/6A Mouser Part No 457-T2107DC24V6/6	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 2CH, 6A/6A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	87In Stock	$79.04 $68.12 $62.41 $54.47 $51.39	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	6 A, 6 A		24 VDC	2 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 2A, No Comm REX12-TA1-107-DC24V-2A E-T-A 1: $58.80 8In Stock	Mfr. Part No. REX12-TA1-107-DC24V-2A Mouser Part No 457-T1107DC24V2	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 2A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	8In Stock	$58.80 $49.93 $36.87 $35.94 $35.86	Min.: 1 Mult.: 1	REX12-T		Electronic	2 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Non-Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 3A, No Comm REX12-TA1-107-DC24V-3A E-T-A 1: $58.81 23In Stock	Mfr. Part No. REX12-TA1-107-DC24V-3A Mouser Part No 457-T1107DC24V3	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 3A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	23In Stock	$58.81 $47.38 $43.76 $37.25 $35.86	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	3 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 6A, No Comm REX12-TA1-107-DC24V-6A E-T-A 1: $60.20 9In Stock 8Expected 2026/11/12	Mfr. Part No. REX12-TA1-107-DC24V-6A Mouser Part No 457-T1107DC24V6	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 6A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	9In Stock 8Expected 2026/11/12	$60.20 $52.46 $41.05 $39.76 View $38.47 Quote	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	6 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 8A, No Comm REX12-TA1-107-DC24V-8A E-T-A 1: $60.29 3Expected 2026/11/12	Mfr. Part No. REX12-TA1-107-DC24V-8A Mouser Part No 457-T1107DC24V8	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 8A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	3Expected 2026/11/12	$60.29 $50.01 $43.11 $37.01 $35.86	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	8 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers 70-AMP BREAKER 185070F-13-1 Bussmann / Eaton 1: $47.67 58Expected 2026/11/06	Mfr. Part No. 185070F-13-1 Mouser Part No 504-185070F-13-1	Bussmann / Eaton	Circuit Breakers 70-AMP BREAKER	Datasheet	58Expected 2026/11/06	$47.67 $39.54 $31.26 $31.25 View $30.92 Quote	Min.: 1 Mult.: 1	18X Hi-Amp	Circuit Breakers		70 A		30 VDC	1 Pole		- 32 C	+ 82 C	Non-Illuminated	Bulk
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 1A, No Comm REX12-TA1-107-DC24V-1A E-T-A 1: $60.29 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. REX12-TA1-107-DC24V-1A Mouser Part No 457-T1107DC24V1	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 1A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	Non-Stocked Lead-Time 6 Weeks	$60.29 $43.41 $37.67 $36.58 $35.86	Min.: 1 Mult.: 1	REX12-T		Electronic	1 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Non-Illuminated
Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 10A, No Comm REX12-TA1-107-DC24V-10A E-T-A 1: $59.77 235In Stock	Mfr. Part No. REX12-TA1-107-DC24V-10A Mouser Part No 457-T1107DC24V10	E-T-A	Circuit Breakers 508, 1P, DM, 24VDC, 1CH, 10A, No Comm Learn More about E-T-A eta rex 12t circuit breakers	Datasheet	235In Stock	$59.77 $49.21 $46.05 $38.68 $35.86	Min.: 1 Mult.: 1	REX12-T	Circuit Breakers	Electronic	10 A		24 VDC	1 Pole	Push to Reset	- 25 C	+ 60 C	Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI NUT 3VA21100HL320AA0 Siemens 1: $1,707.06 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HL320AA0 Mouser Part No 982-3VA21100HL320AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$1,707.06	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI BOX 3VA21100HL360AA0 Siemens 1: $1,758.24 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HL360AA0 Mouser Part No 982-3VA21100HL360AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LI BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$1,758.24	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI NUT 3VA21100HL420AA0 Siemens 1: $2,281.27 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HL420AA0 Mouser Part No 982-3VA21100HL420AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,281.27	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI BOX 3VA21100HL460AA0 Siemens 1: $2,355.97 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HL460AA0 Mouser Part No 982-3VA21100HL460AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LI BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,355.97	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG NUT 3VA21100HM320AA0 Siemens 1: $2,244.11 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HM320AA0 Mouser Part No 982-3VA21100HM320AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,244.11	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG BOX 3VA21100HM360AA0 Siemens 1: $2,281.91 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HM360AA0 Mouser Part No 982-3VA21100HM360AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LIG BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,281.91	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG NUT 3VA21100HM420AA0 Siemens 1: $2,808.90 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HM420AA0 Mouser Part No 982-3VA21100HM420AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,808.90	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG BOX 3VA21100HM460AA0 Siemens 1: $2,864.71 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HM460AA0 Mouser Part No 982-3VA21100HM460AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LIG BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,864.71	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI NUT 3VA21100HN320AA0 Siemens 1: $1,834.09 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HN320AA0 Mouser Part No 982-3VA21100HN320AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$1,834.09	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI BOX 3VA21100HN360AA0 Siemens 1: $1,885.76 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HN360AA0 Mouser Part No 982-3VA21100HN360AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU3-LSI BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$1,885.76	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI NUT 3VA21100HN420AA0 Siemens 1: $2,389.76 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HN420AA0 Mouser Part No 982-3VA21100HN420AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,389.76	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI BOX 3VA21100HN460AA0 Siemens 1: $2,446.43 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100HN460AA0 Mouser Part No 982-3VA21100HN460AA0	Siemens	Circuit Breakers BRKR 3VA21 4P 100A 200KA ETU3-LSI BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$2,446.43	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		4 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI NUT 3VA21100KP320AA0 Siemens 1: $3,119.39 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100KP320AA0 Mouser Part No 982-3VA21100KP320AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI NUT Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$3,119.39	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated
Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI BOX 3VA21100KP360AA0 Siemens 1: $3,171.04 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. 3VA21100KP360AA0 Mouser Part No 982-3VA21100KP360AA0	Siemens	Circuit Breakers BRKR 3VA21 3P 100A 200KA ETU8-LSI BOX Learn More about Siemens 3va molded case circuit breakers	Datasheet	Non-Stocked Lead-Time 3 Weeks	$3,171.04	Min.: 1 Mult.: 1	3VA	Circuit Breakers	Line Protection	100 A	690 VAC		3 Pole		- 25 C	+ 70 C	Non-Illuminated