Name: Box-Style Circuit Breakers Series - Type I & III Automotive Cricuit Breakers
Brand: Littelfuse Inc.

Box-Style Circuit Breakers Series - Type I & III Automotive Cricuit Breakers

Series: Box-Style Circuit Breakers

Questions? Contact Littelfuse Support

Steel or plastic housing.
Steel box type is approximately 1 ¼" x ¾" x 2/3"
Comes with integral brackets (to be directly affixed with screws or bolts) or without (needs a mounting bracket)
Breakers have 10-32 studs, blades or wire leads
Wire lead type has a 10" wire loop connected to studs and PVC-coated. Loop is intended to be cut, stripped and spliced into a circuit.

Access specifications, certifications, check availability and order parts below

Catalog #	Current Rating (Max)	Voltage Rating Max	Input Terminals	Mounting Method	Housing	Stock

30055-10-BX	10	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-15-BP	15	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-15-BX	15	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-20-BP	20	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-20-BX	20	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-25-BX	25	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-30-BP	30	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-30-BX	30	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-40-BP	40	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-40-BX	40	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-50-BP	50	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-50-BX	50	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-8		12	10-32 studs	Bolt-Down	Plated Steel	Check
30056-10-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-15-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-20-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-25-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-30-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-40-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-50-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30062-10		12	10in wire loop	Bolt-Down	PVC Coated	Check
30062-40		12	10in wire loop	Bolt-Down	PVC Coated	Check
30062-20-BX						Check
30062-30-BX						Check
30063-20-BX		12	10in wire loop	Snap into Bracket	PVC Coated	Check
30103-40		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-25		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-10-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-15-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-20-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-30-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-40-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30137-15-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30137-20-BX		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30138-30-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30158-30		12	10-32 studs	Bolt-Down	Plated Steel	Check
30171-10-BX		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30171-15-BX		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30171-20-BX		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30172-15-BX		24	10-32 studs	Bolt-Down	Plated Steel	Check
30172-20-BX		24	10-32 studs	Bolt-Down	Plated Steel	Check
30172-30-BX	30	24	10-32 studs	Bolt-Down	Plated Steel	Check
30174-10		24	10-32 studs	Bolt-Down	Plated Steel	Check
30174-15		24	10-32 studs	Bolt-Down	Plated Steel	Check
30174-20		24	10-32 studs	Bolt-Down	Plated Steel	Check
30181-15		24	10-32 studs	Bolt-Down	Plated Steel	Check
30181-40		24	10-32 studs	Bolt-Down	Plated Steel	Check
30423-10		12	10-32 studs	Bolt-Down	Plastic Grey	Check
30427-15		12	10-32 studs	Bolt-Down	Plastic Grey	Check
30427-30		12	10-32 studs	Bolt-Down	Plastic Grey	Check
30427-50		12	10-32 studs	Bolt-Down	Plastic Grey	Check
30504-10		12	10-32 studs	Bolt-Down	Plated Steel	Check
30504-20		12	10-32 studs	Bolt-Down	Plated Steel	Check
30504-25		12	10-32 studs	Bolt-Down	Plated Steel	Check
30504-30		12	10-32 studs	Bolt-Down	Plated Steel	Check
30507-60-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
3088-60-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
3088-80-BX		12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-10	10	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-15	15	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-20	20	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-25	25	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-30	30	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-40	40	12	10-32 studs	Bolt-Down	Plated Steel	Check
30055-50	50	12	10-32 studs	Bolt-Down	Plated Steel	Check
30056-10		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-15		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-20		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-25		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-30		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-40		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30056-50		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30062-20		12	10in wire loop	Bolt-Down	PVC Coated	Check
30062-30		12	10in wire loop	Bolt-Down	PVC Coated	Check
30063-10		12	10in wire loop	Snap into Bracket	PVC Coated	Check
30063-20		12	10in wire loop	Snap into Bracket	PVC Coated	Check
30063-30		12	10in wire loop	Snap into Bracket	PVC Coated	Check
30128-10		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-15		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-20		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-30		12	10-32 studs	Bolt-Down	Plated Steel	Check
30128-40		12	10-32 studs	Bolt-Down	Plated Steel	Check
30137-10		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30137-15		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30137-20		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30137-30		12	10-32 studs	Snap into Bracket	Plated Steel	Check
30138-10		12	10-32 studs	Bolt-Down	Plated Steel	Check
30138-15		12	10-32 studs	Bolt-Down	Plated Steel	Check
30138-30		12	10-32 studs	Bolt-Down	Plated Steel	Check
30138-40		12	10-32 studs	Bolt-Down	Plated Steel	Check
30171-10		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30171-15		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30171-20		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30171-30		24	10-32 studs	Snap into Bracket	Plated Steel	Check
30172-10		24	10-32 studs	Bolt-Down	Plated Steel	Check
30172-15		24	10-32 studs	Bolt-Down	Plated Steel	Check
30172-20		24	10-32 studs	Bolt-Down	Plated Steel	Check
30172-30	30	24	10-32 studs	Bolt-Down	Plated Steel	Check
30427-40		12	10-32 studs	Bolt-Down	Plastic Grey	Check
30507-60		12	10-32 studs	Bolt-Down	Plated Steel	Check
30507-80		12	10-32 studs	Bolt-Down	Plated Steel	Check
3088-50		12	10-32 studs	Bolt-Down	Plated Steel	Check
3088-60		12	10-32 studs	Bolt-Down	Plated Steel	Check
3088-80		12	10-32 studs	Bolt-Down	Plated Steel	Check

Box Style Circuit Breakers Datasheet

Part #	Part Description	RoHS	Pb-free
30055-10-BX	CIR_BRKR 10A 12V MET BRK HWD #3	No	No
30055-15-BX	CIR_BRKR 15A 12V MET BRK HWD #3	No	No
30055-20-BX	CIR_BRKR 20A 12V MET BRK HWD #3	No	No
30055-25-BX	CIR_BRKR 25A 12V MET BRK HWD #3	No	No
30055-30-BX	CIR_BRKR 30A 12V MET BRK HWD #3	No	No
30055-40-BX	CIR_BRKR 40A 12V MET BRK HWD #3	No	No
30055-50-BX	CIR_BRKR 50A 12V MET BRK HWD #3	No	No
30056-10-BX	CIR_BRKR 10A 12V MET HWD #3	No	No
30056-15-BX	CIR_BRKR 15A 12V MET HWD #3	No	No
30056-20-BX	CIR_BRKR 20A 12V MET HWD #3	No	No
30056-25-BX	CIR_BRKR 25A 12V MET HWD #3	No	No
30056-30-BX	CIR_BRKR 30A 12V MET HWD #3	No	No
30056-40-BX	CIR_BRKR 40A 12V MET HWD #3	No	No
30056-50-BX	CIR_BRKR 50A 12V MET HWD #3	No	No
30062-10	CIR BRKR 10AMP	No	No
30062-40	CIR BRKR 40AMP	No	No
30062-20-BX	CIR BRKR 20AMP #7	No	No
30062-30-BX	CIR BRKR 30AMP #12	No	No
30063-20-BX	CIR BRKR 20AMP #7	No	No
30128-25	CIR_BRKR 25A 12V MET BRK HWD	No	No
30128-10-BX	CIR_BRKR 10A 12V MET BRK HWD #3	No	No
30128-15-BX	CIR_BRKR 15A 12V MET BRK HWD #3	No	No
30128-20-BX	CIR_BRKR 20A 12V MET BRK HWD #3	No	No
30128-30-BX	CIR_BRKR 30A 12V MET BRK HWD #7	No	No
30128-40-BX	CIR_BRKR 40A 12V MET BRK HWD #3	No	No
30137-15-BX	CIR_BRKR 15A 12V MEL HWD HN11 #3	No	No
30137-20-BX	CIR_BRKR 20A 12V MEL HWD HN11 #3	No	No
30138-30-BX	CIR_BRKR 30A 12V MET BRK HN11 #7	No	No
30171-10-BX	CIR_BRKR 10A 24V MEL HWD #3	No	No
30171-15-BX	CIR_BRKR 15A 24V MEL HWD #3	No	No
30171-20-BX	CIR_BRKR 20A 24V MEL HWD #3	No	No
30172-15-BX	CIR_BRKR 15A 24V MEL BRK HWD #3	No	No
30172-20-BX	CIR_BRKR 20A 24V MEL BRK HWD #3	No	No
30172-30-BX	CIR_BRKR 30A 24V MEL BRK HWD #3	No	No
30181-15	CIR_BRKR 15A 24V MEL T2 BRK	No	No
30181-40	CIR_BRKR 40A 24V MEL T2 BRK	No	No
30423-10	CIR_BRKR 10A 24V RESET HWD	No	No
30427-50	CIR_BRKR 50A 12V PL BRK AHW	No	No
30504-10	CIR_BRKR 10A 12V MET	No	No
30504-20	CIR_BRKR 20A 12V MET	No	No
30504-30	CIR_BRKR 30A 12V MET	No	No
30507-60-BX	CIR BRKR 60AMP #3	No	No
30055-10	CIR_BRKR 10A 12V MET BRK HWD	No	No
30055-15	CIR_BRKR 15A 12V MET BRK HWD	No	No
30055-20	CIR_BRKR 20A 12V MET BRK HWD	No	No
30055-25	CIR_BRKR 25A 12V MET BRK HWD	No	No
30055-30	CIR_BRKR 30A 12V MET BRK HWD	No	No
30055-40	CIR_BRKR 40A 12V MET BRK HWD	No	No
30055-50	CIR_BRKR 50A 12V MET BRK HWD	No	No
30056-10	CIR_BRKR 10A 12V MET HWD	No	No
30056-15	CIR_BRKR 15A 12V MET HWD	No	No
30056-20	CIR_BRKR 20A 12V MET HWD	No	No
30056-25	CIR_BRKR 25A 12V MET HWD	No	No
30056-30	CIR_BRKR 30A 12V MET HWD	No	No
30056-40	CIR_BRKR 40A 12V MET HWD	No	No
30056-50	CIR_BRKR 50A 12V MET HWD	No	No
30062-20	CIR BRKR 20AMP	No	No
30062-30	CIR BRKR 30AMP	No	No
30063-10	CIR BRKR 10AMP	No	No
30063-20	CIR BRKR 20AMP	No	No
30063-30	CIR BRKR 30AMP	No	No
30128-10	CIR_BRKR 10A 12V MET BRK HWD	No	No
30128-15	CIR_BRKR 15A 12V MET BRK HWD	No	No
30128-20	CIR_BRKR 20A 12V MET BRK HWD	No	No
30128-30	CIR_BRKR 30A 12V MET BRK HWD	No	No
30128-40	CIR_BRKR 40A 12V MET BRK HWD	No	No
30137-10	CIR_BRKR 10A 12V MEL HWD HN11	No	No
30137-15	CIR_BRKR 15A 12V MEL HWD HN11	No	No
30137-20	CIR_BRKR 20A 12V MEL HWD HN11	No	No
30137-30	CIR_BRKR 30A 12V MEL HWD HN11	No	No
30138-10	CIR_BRKR 10A 12V MET BRK HN11	No	No
30138-15	CIR_BRKR 15A 12V MET BRK HN11	No	No
30138-30	CIR_BRKR 30A 12V MET BRK HN11	No	No
30138-40	CIR_BRKR 40A 12V MET BRK HN11	No	No
30171-10	CIR_BRKR 10A 24V MEL HWD	No	No
30171-15	CIR_BRKR 15A 24V MEL HWD	No	No
30171-20	CIR_BRKR 20A 24V MEL HWD	No	No
30171-30	CIR_BRKR 30A 24V MEL HWD	No	No
30172-10	CIR_BRKR 10A 24V MEL BRK HWD	No	No
30172-15	CIR_BRKR 15A 24V MEL BRK HWD	No	No
30172-20	CIR_BRKR 20A 24V MEL BRK HWD	No	No
30172-30	CIR_BRKR 30A 24V MEL BRK HWD	No	No
30507-60	CIR BRKR 60AMP	No	No
30507-80	CIR BRKR 80AMP	No	No

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