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Miniature Circuit Breakers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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
Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE Eaton Electrical FAZ-D2.5/2 FAZ-D2.5/2 Eaton Electrical 1: HK$3,550.14 1In Stock New Product	Mfr. Part No. FAZ-D2.5/2 Mouser Part No 504-FAZ-D2.5/2 New Product	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE	Datasheet	1In Stock	HK$3,550.14 HK$2,940.95 HK$2,710.38	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	2.5 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ 2P 16A C CURVE ring term Eaton Electrical FAZ-C16/2-RT FAZ-C16/2-RT Eaton Electrical 1: HK$3,965.00 13In Stock	Mfr. Part No. FAZ-C16/2-RT Mouser Part No 504-FAZ-C16/2-RT	Eaton Electrical	Circuit Breakers FAZ 2P 16A C CURVE ring term Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	13In Stock	HK$3,965.00 HK$3,284.55 HK$3,027.10 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	16 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ 3P 16A D CURVE ring term FAZ-D16/3-RT Eaton Electrical 1: HK$6,478.68 3In Stock	Mfr. Part No. FAZ-D16/3-RT Mouser Part No 504-FAZ-D16/3-RT	Eaton Electrical	Circuit Breakers FAZ 3P 16A D CURVE ring term Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	HK$6,478.68 HK$4,300.29 HK$4,101.62 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	16 A	240 VAC, 415 VAC		3 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac 808-H-0.5A E-T-A 1: HK$507.67 43In Stock	Mfr. Part No. 808-H-0.5A Mouser Part No 457-808-H-0.5A	E-T-A	Circuit Breakers Single pole miniaturised magnetic circuit breakers with unique high-speed operating mechanism and push/pull on/off manual actuation. Fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contac	Datasheet	43In Stock	HK$507.67 HK$421.77 HK$385.85 HK$324.28 View HK$300.52 HK$269.37	Min.: 1 Mult.: 1	808	Circuit Breakers	Miniature	500 mA		24 VDC	1 Pole	Pushbutton	- 30 C	+ 70 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP 5SJ42107HG41 Siemens 1: HK$1,339.04 38In Stock	Mfr. Part No. 5SJ42107HG41 Mouser Part No 982-5SJ42107HG41	Siemens	Circuit Breakers MCB 5SJ4 2P 240V 10A 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	38In Stock	HK$1,339.04 HK$1,171.51 HK$1,106.33 HK$911.10 View HK$846.25 Quote	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	10 A	240 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: HK$620.45 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	HK$620.45 HK$529.86 HK$502.00 HK$418.40 View HK$390.45 HK$362.58	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	6 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 15A 7.5K C-TRIP 5SY41187 Siemens 1: HK$618.06 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	HK$618.06 HK$521.23 HK$487.36 HK$391.27 View HK$360.28 HK$335.87 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	15 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers FAZ 2P 13A C CURVE ring term FAZ-C13/2-RT Eaton Electrical 1: HK$3,965.00 3In Stock	Mfr. Part No. FAZ-C13/2-RT Mouser Part No 504-FAZ-C13/2-RT	Eaton Electrical	Circuit Breakers FAZ 2P 13A C CURVE ring term Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	HK$3,965.00 HK$2,872.73 HK$2,736.36 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	13 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 4P 30A D CURVE FAZ-D30/4-NA-L Eaton Electrical 1: HK$3,326.63 1In Stock 2Expected 4/11/2026	Mfr. Part No. FAZ-D30/4-NA-L Mouser Part No 504-FAZ-D30/4-NA-L	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 4P 30A D CURVE	Datasheet	1In Stock 2Expected 4/11/2026	HK$3,326.63 HK$2,757.15 HK$2,541.62 Quote Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	30 A	240 VAC, 415 VAC		4 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP 5SJ43458HG41 Siemens 1: HK$2,479.07 1In Stock	Mfr. Part No. 5SJ43458HG41 Mouser Part No 982-5SJ43458HG41	Siemens	Circuit Breakers MCB 5SJ4 3P 240V 45A 10K D-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	HK$2,479.07 HK$2,054.34 HK$1,912.71 HK$1,675.15	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	45 A	240 VAC	60 VDC	3 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP 5SY43058 Siemens 1: HK$1,671.45 1In Stock	Mfr. Part No. 5SY43058 Mouser Part No 982-5SY43058	Siemens	Circuit Breakers SUP PTOR 5SY4 3P 480V 0.5A 5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	HK$1,671.45 HK$1,422.39 HK$1,277.22 HK$1,087.75	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	500 mA	400 VAC		3 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers FAZ 1P 7A C CURVE ring term FAZ-C7/1-RT-SP Eaton Electrical 1: HK$2,356.35 3In Stock	Mfr. Part No. FAZ-C7/1-RT-SP Mouser Part No 504-FAZ-C7/1-RT-SP	Eaton Electrical	Circuit Breakers FAZ 1P 7A C CURVE ring term	Datasheet	3In Stock	HK$2,356.35 HK$1,555.80 HK$1,423.79 HK$1,381.70	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	7 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ 2P 20A D CURVE ring term FAZ-D20/2-RT Eaton Electrical 1: HK$4,366.63 3In Stock	Mfr. Part No. FAZ-D20/2-RT Mouser Part No 504-FAZ-D20/2-RT	Eaton Electrical	Circuit Breakers FAZ 2P 20A D CURVE ring term	Datasheet	3In Stock	HK$4,366.63 HK$3,175.14 HK$3,033.02 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	20 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 5A D CURVE FAZ-D5/1-NA-L Eaton Electrical 1: HK$904.45 6In Stock	Mfr. Part No. FAZ-D5/1-NA-L Mouser Part No 504-FAZ-D5/1-NA-L	Eaton Electrical	Circuit Breakers FAZ-NA UL 489 MCB 240VAC 1P 5A D CURVE	Datasheet	6In Stock	HK$904.45 HK$763.47 HK$663.52 HK$589.54 View HK$564.06 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	5 A	240 VAC		1 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 6A SAME PH 14K B-TRIP 5SJ41066HG40 Siemens 1: HK$641.41 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	HK$641.41 HK$547.95 HK$527.23 HK$488.43 View HK$472.40 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	6 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 1410-F110-P1F1-W14QE2-4A E-T-A 1: HK$238.71 42In Stock	Mfr. Part No. 1410-F110-P1F1-W14QE2-4A Mouser Part No 457-0F110P1F1W14QE24	E-T-A	Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f	Datasheet	42In Stock	HK$238.71 HK$198.10 HK$182.73 HK$139.08 View HK$135.05 HK$131.19 HK$130.70	Min.: 1 Mult.: 1	1410-F1	Circuit Breakers	Miniature	4 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Illuminated
Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K C-TRIP 5SJ42087HG42 Siemens 1: HK$1,338.96 1In Stock	Mfr. Part No. 5SJ42087HG42 Mouser Part No 982-5SJ42087HG42	Siemens	Circuit Breakers MCB 5SJ4 2P 480/277 8A 10K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	1In Stock	HK$1,338.96 HK$1,171.43 HK$1,106.33 HK$911.10 HK$846.00	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	277 VAC, 480 VAC	60 VDC	2 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P+N 240V 6A 7.5K D-TRIP 5SY45068 Siemens 1: HK$1,034.24 5In Stock	Mfr. Part No. 5SY45068 Mouser Part No 982-5SY45068	Siemens	Circuit Breakers SUP PTOR 5SY4 1P+N 240V 6A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	HK$1,034.24 HK$878.55 HK$829.73 HK$683.33 HK$634.50	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	6 A	230 VAC	60 VDC	2 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A QOB330FT Square D 1: HK$2,942.92 3In Stock	Mfr. Part No. QOB330FT Mouser Part No 996-QOB330FT	Square D	Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 30A	Datasheet	3In Stock	HK$2,942.92	Min.: 1 Mult.: 1	QO	Circuit Breakers	Miniature	30 A	120 VAC, 240 VAC		3 Pole	Lever			Non-Illuminated
Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f 1410-F110-P1F1-W14Q-5A E-T-A 1: HK$197.86 76In Stock	Mfr. Part No. 1410-F110-P1F1-W14Q-5A Mouser Part No 457-10F110P1F1W14Q5A	E-T-A	Circuit Breakers Miniaturised single pole rocker switch/thermal circuit breaker combining ON/OFF switching and extremely fast overload performance in a single component (S-type TO CBE to EN 60934/IEC 934). Under overload conditions an internal neon (f	Datasheet	76In Stock	HK$197.86 HK$164.24 HK$151.49 HK$125.44 View HK$115.66 HK$103.74 HK$95.43	Min.: 1 Mult.: 1	1410-F1	Circuit Breakers	Miniature	5 A	240 VAC	28 VDC	1 Pole	Rocker	- 20 C	+ 70 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 277V 3A 10K C-TRIP 5SJ41037HG42 Siemens 1: HK$712.67 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	HK$712.67 HK$618.23 HK$585.68 HK$488.10 HK$455.55	Min.: 1 Mult.: 1	5SJ4	Circuit Breakers	Miniature	3 A	277 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 1A 7.5K C-TRIP 5SY41017 Siemens 1: HK$618.06 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	HK$618.06 HK$521.23 HK$487.36 HK$391.27 View HK$360.28 HK$335.87 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers FAZ-NA 240VAC 2P 1A C CURVE ring term FAZ-C1/2-RT-L Eaton Electrical 1: HK$1,859.04 3In Stock	Mfr. Part No. FAZ-C1/2-RT-L Mouser Part No 504-FAZ-C1/2-RT-L	Eaton Electrical	Circuit Breakers FAZ-NA 240VAC 2P 1A C CURVE ring term	Datasheet	3In Stock	HK$1,859.04 HK$1,451.90 HK$1,375.29 HK$1,216.48 View Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ 2P 13A D CURVE ring term Eaton Electrical FAZ-D13/2-RT FAZ-D13/2-RT Eaton Electrical 1: HK$4,366.63 1In Stock	Mfr. Part No. FAZ-D13/2-RT Mouser Part No 504-FAZ-D13/2-RT	Eaton Electrical	Circuit Breakers FAZ 2P 13A D CURVE ring term	Datasheet	1In Stock	HK$4,366.63 HK$3,014.60 HK$2,884.89 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	13 A	240 VAC, 415 VAC		2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated
Circuit Breakers FAZ UL 1077 2P 16A K CURVE FAZ-K16/2 Eaton Electrical 1: HK$3,563.37 1In Stock	Mfr. Part No. FAZ-K16/2 Mouser Part No 504-FAZ-K16/2	Eaton Electrical	Circuit Breakers FAZ UL 1077 2P 16A K CURVE	Datasheet	1In Stock	HK$3,563.37 HK$2,859.16 HK$2,698.79 View Quote	Min.: 1 Mult.: 1	FAZ	Circuit Breakers	Miniature	16 A	240 VAC, 415 VAC	96 VDC	2 Pole	Handle	- 40 C	+ 75 C	Non-Illuminated

Miniature Circuit Breakers

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30 mA
300 mA
500 mA
1 A
1.5 A
1.6 A
2 A
2.5 A
3 A
3.25 A
3.5 A
4 A
5 A
6 A
7 A
8 A
10 A
12 A
13 A
15 A