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18 mm Circuit Breakers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 SUP PTOR 5SY4 1P 240V 4A 7.5K D-TRIP 5SY41048 Siemens 1: $102.65 8In Stock	Mfr. Part No. 5SY41048 Mouser Part No 982-5SY41048	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 4A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	8In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	4 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K A-TRIP 5SY41055 Siemens 1: $102.65 1In Stock	Mfr. Part No. 5SY41055 Mouser Part No 982-5SY41055	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K A-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	500 mA	400 VAC	72 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K C-TRIP 5SY41057 Siemens 1: $102.65 10In Stock	Mfr. Part No. 5SY41057 Mouser Part No 982-5SY41057	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 0.5A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	10In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	500 mA	400 VAC		1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K C-TRIP 5SY41067 Siemens 1: $92.75 6In Stock 7Expected 18/12/2026	Mfr. Part No. 5SY41067 Mouser Part No 982-5SY41067	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	6In Stock 7Expected 18/12/2026	$92.75 $87.67 $75.17 $64.74 View $59.61 $57.04 Quote	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 6A 7.5K D-TRIP 5SY41068 Siemens 1: $102.65 5In Stock	Mfr. Part No. 5SY41068 Mouser Part No 982-5SY41068	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1	5SY4	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 8A 7.5K C-TRIP 5SY41087 Siemens 1: $102.65 10In Stock	Mfr. Part No. 5SY41087 Mouser Part No 982-5SY41087	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 8A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	10In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	8 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K A-TRIP 5SY41105 Siemens 1: $102.65 4In Stock	Mfr. Part No. 5SY41105 Mouser Part No 982-5SY41105	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K A-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	4In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	10 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K B-TRIP 5SY41106 Siemens 1: $102.65 5In Stock	Mfr. Part No. 5SY41106 Mouser Part No 982-5SY41106	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	10 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K C-TRIP 5SY41107 Siemens 1: $99.89 27In Stock	Mfr. Part No. 5SY41107 Mouser Part No 982-5SY41107	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	27In Stock	$99.89 $90.13 $82.77 $64.74 View $59.61 $54.26	Min.: 1 Mult.: 1	5SY4	Circuit Breakers	Miniature	10 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K D-TRIP 5SY41108 Siemens 1: $102.65 10In Stock	Mfr. Part No. 5SY41108 Mouser Part No 982-5SY41108	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 10A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	10In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1	5SY4	Circuit Breakers	Miniature	10 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 5A 7.5K C-TRIP 5SY41117 Siemens 1: $102.65 14In Stock	Mfr. Part No. 5SY41117 Mouser Part No 982-5SY41117	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 5A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	14In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	5 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 13A 7.5K C-TRIP 5SY41137 Siemens 1: $104.31 3In Stock 3On Order	Mfr. Part No. 5SY41137 Mouser Part No 982-5SY41137	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 13A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	3In Stock 3On Order	$104.31 $84.05 $80.89 $75.04 View $72.61 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	13 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 1.6A 7.5K C-TRIP 5SY41157 Siemens 1: $102.65 1In Stock	Mfr. Part No. 5SY41157 Mouser Part No 982-5SY41157	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 1.6A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	1.6 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K B-TRIP 5SY41166 Siemens 1: $102.65 1In Stock	Mfr. Part No. 5SY41166 Mouser Part No 982-5SY41166	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	16 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K C-TRIP 5SY41167 Siemens 1: $89.73 27In Stock	Mfr. Part No. 5SY41167 Mouser Part No 982-5SY41167	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 16A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	27In Stock	$89.73 $86.52 $79.79 $62.91 View $59.11 $54.26	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	16 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K A-TRIP 5SY41205 Siemens 1: $104.31 7In Stock	Mfr. Part No. 5SY41205 Mouser Part No 982-5SY41205	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K A-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	7In Stock	$104.31 $83.29 $80.89 $75.04 View $72.61 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	20 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K B-TRIP 5SY41206 Siemens 1: $102.65 2In Stock	Mfr. Part No. 5SY41206 Mouser Part No 982-5SY41206	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K B-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	2In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	20 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K C-TRIP 5SY41207 Siemens 1: $97.53 7In Stock	Mfr. Part No. 5SY41207 Mouser Part No 982-5SY41207	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	7In Stock	$97.53 $78.68 $73.49 $63.51 View $59.61 $54.26 Quote	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	20 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K D-TRIP 5SY41208 Siemens 1: $102.65 3In Stock	Mfr. Part No. 5SY41208 Mouser Part No 982-5SY41208	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 20A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	3In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	20 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K C-TRIP 5SY41257 Siemens 1: $102.65 4In Stock 1On Order	Mfr. Part No. 5SY41257 Mouser Part No 982-5SY41257	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	4In Stock 1On Order	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	25 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K D-TRIP 5SY41258 Siemens 1: $102.65 3In Stock	Mfr. Part No. 5SY41258 Mouser Part No 982-5SY41258	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 25A 7.5K D-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	3In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	25 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 30A 7.5K C-TRIP 5SY41307 Siemens 1: $102.65 1In Stock	Mfr. Part No. 5SY41307 Mouser Part No 982-5SY41307	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 30A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	30 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K A-TRIP 5SY41325 Siemens 1: $102.65 1In Stock	Mfr. Part No. 5SY41325 Mouser Part No 982-5SY41325	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K A-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	1In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	32 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K C-TRIP 5SY41327 Siemens 1: $102.65 5In Stock	Mfr. Part No. 5SY41327 Mouser Part No 982-5SY41327	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 32A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	5In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	32 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 40A 7.5K C-TRIP 5SY41407 Siemens 1: $102.65 4In Stock	Mfr. Part No. 5SY41407 Mouser Part No 982-5SY41407	Siemens	Circuit Breakers SUP PTOR 5SY4 1P 240V 40A 7.5K C-TRIP Learn More about Siemens 5sy4 mini circuit breakers	Datasheet	4In Stock	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	Min.: 1 Mult.: 1		Circuit Breakers	Miniature	40 A	400 VAC	60 VDC	1 Pole	Lever	- 40 C	+ 70 C	Non-Illuminated

18 mm Circuit Breakers

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