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Circuit Breakers

Circuit breakers are in stock with same-day shipping at Mouser from leading manufacturers. Mouser is an authorized distributor for many circuit breaker manufacturers including ABB, Carling Technologies, Eaton, E-T-A Circuit Breakers, Phoenix Contact, Sensata, Schurter, Siemens, TE Connectivity & more.
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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	Packaging
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 3120-N321-P7T1-W01D-20A E-T-A 1: $49.31 190In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-20A Mouser Part No 457-N321P7T1W01D20	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	190In Stock	$49.31 $40.91 $37.74 $31.25 View $30.84 $30.60 $29.89 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers 2-13-DM-KM-15 9926252015 Weidmuller 1: $150.82 71In Stock	Mfr. Part No. 9926252015 Mouser Part No 470-9926252015	Weidmuller	Circuit Breakers 2-13-DM-KM-15	Datasheet	71In Stock	$150.82 $122.78 $113.21 $94.79 Quote Quote	Min.: 1 Mult.: 1	9926 QL	Circuit Breakers	Hydraulic Magnetic	15 A	120 VAC, 240 VAC		2 Pole	Lever	- 40 C	+ 65 C	Non-Illuminated	Bulk
Circuit Breakers Cir Brkr Hyd Mag AP17-1-72-302 AIRPAX 1: $1,708.08 2In Stock	Mfr. Part No. AP17-1-72-302 Mouser Part No 874-AP17-1-72-302	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	$1,708.08 $1,626.74	Min.: 1 Mult.: 1	AP	Circuit Breakers	Hydraulic Magnetic	3 A	240 VAC	50 VDC	2 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER M55629/5-390L AIRPAX 1: $1,999.15 2In Stock	Mfr. Part No. M55629/5-390L Mouser Part No 874-M55629/5-390L	AIRPAX	Circuit Breakers CIRCUIT BREAKER		2In Stock	$1,999.15 $1,379.37 $1,034.50 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 1.1-1.6A SCREW 3RV20111AA10 Siemens 1: $319.98 15In Stock	Mfr. Part No. 3RV20111AA10 Mouser Part No 982-3RV20111AA10	Siemens	Circuit Breakers MSP S00 1.1-1.6A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	15In Stock	$319.98 $282.69 $260.92 $235.40 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	1.6 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW 3RV20111GA15 Siemens 1: $462.55 7In Stock	Mfr. Part No. 3RV20111GA15 Mouser Part No 982-3RV20111GA15	Siemens	Circuit Breakers MSP S00 4.5-6.3A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$462.55 $387.27 $363.81	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	6.3 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW 3RV20114AA15 Siemens 1: $530.44 5In Stock	Mfr. Part No. 3RV20114AA15 Mouser Part No 982-3RV20114AA15	Siemens	Circuit Breakers MSP S00 11-16A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	5In Stock	$530.44 $446.23 $406.54	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	16 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-3-30A E-T-A 1: $14.01 404In Stock	Mfr. Part No. 1620-3-30A Mouser Part No 457-1620-3-30A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	404In Stock	$14.01 $11.63 $10.73 $8.89 View $8.20 $7.37 $7.22 $6.87	Min.: 1 Mult.: 1	1620	Miniature Circuit Breakers	Automotive	30 A		24 VDC	1 Pole	Push to Reset	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 3120-N521-H7T1-W01D-8A E-T-A 1: $65.86 413In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-8A Mouser Part No 457-521H7T1W01D8	E-T-A	Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	413In Stock	$65.86 $54.63 $44.40 $40.34 View $33.69 $32.29 $32.23 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	8 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers CBMC E4 24DC/1-10A S-R 1065729 Phoenix Contact 1: $158.15 92In Stock	Mfr. Part No. 1065729 Mouser Part No 651-1065729	Phoenix Contact	Circuit Breakers CBMC E4 24DC/1-10A S-R Learn More about Phoenix Contact cbmc circuit breakers	Datasheet	92In Stock	$158.15	Min.: 1 Mult.: 1	CBMC	Circuit Breakers	Electronic	40 A		24 VDC	1 Pole	Pushbutton	- 25 C	+ 60 C	Illuminated
Circuit Breakers Cir Brkr,HydMag IAGN66-1-72-30.0 AIRPAX 1: $187.53 24In Stock	Mfr. Part No. IAGN66-1-72-30.0 Mouser Part No 874-IAGN6617230	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	24In Stock	$187.53 $170.64 $118.55 $104.18 View $86.22 Quote	Min.: 1 Mult.: 1		Circuit Breakers		30 A			2 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S0 3.5 - 5A SCREW 3RV20211FA10 Siemens 1: $400.10 29In Stock	Mfr. Part No. 3RV20211FA10 Mouser Part No 982-3RV20211FA10	Siemens	Circuit Breakers MSP S0 3.5 - 5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	29In Stock	$400.10 $331.57 $308.69 $270.40 View Quote	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MSP S0 23-28A SCREW 3RV20214NA10 Siemens 1: $684.35 12In Stock	Mfr. Part No. 3RV20214NA10 Mouser Part No 982-3RV20214NA10	Siemens	Circuit Breakers MSP S0 23-28A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	12In Stock	$684.35 $566.88 $522.34	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	28 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers SUP PTOR 5SY4 1P 240V 6A 7.5K B-TRIP 5SY41066 Siemens 1: $102.65 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	$102.65 $87.67 $83.06 $69.22 View $64.60 $59.99	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: $102.26 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	$102.26 $86.24 $80.63 $64.74 View $59.61 $55.57 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 MAN-START 600VAC 40AMP IEC GV3P25 Schneider Electric 1: $541.99 6In Stock	Mfr. Part No. GV3P25 Mouser Part No 996-GV3P25	Schneider Electric	Circuit Breakers MAN-START 600VAC 40AMP IEC Learn More about Schneider Electric schneider gv3 manual starters protectors	Datasheet	6In Stock	$541.99	Min.: 1 Mult.: 1	GV
Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati 106-M2-P30-3A E-T-A 1: $30.84 160In Stock	Mfr. Part No. 106-M2-P30-3A Mouser Part No 457-106-M2-P30-3A	E-T-A	Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934), threadneck mounting. Approved to CBE standard EN 60934 (IEC 60934). For higher current rati	Datasheet	160In Stock	$30.84 $24.19 $22.36 $22.30 View $18.78 $14.95 $13.78 $13.68	Min.: 1 Mult.: 1	106-M2	Thermal Circuit Breakers	Overcurrent Protection	3 A	240 VAC	48 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 2-5700-IG1-K10-38A E-T-A 1: $58.40 70In Stock	Mfr. Part No. 2-5700-IG1-K10-38A Mouser Part No 457-25700IG1K1038A	E-T-A	Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ	Datasheet	70In Stock	$58.40 $51.41 $44.78 $41.71 View $37.45 $36.28	Min.: 1 Mult.: 1	2-5700	Thermal Circuit Breakers	Overcurrent Protection	38 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag CPP11-52-15.0A-OC-V AIRPAX 1: $29.00 63In Stock	Mfr. Part No. CPP11-52-15.0A-OC-V Mouser Part No 874-CPP1152150AOCV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	63In Stock	$29.00 $28.48 $27.58 $26.14 View $25.06 $24.15 $22.18 Quote	Min.: 1 Mult.: 1	Snapak	Thermal Circuit Breakers	Thermal	15 A	250 VAC	65 VDC	1 Pole	Push-Pull	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MSP S0 9 - 12.5A SCREW 3RV20211KA10 Siemens 1: $447.24 9In Stock	Mfr. Part No. 3RV20211KA10 Mouser Part No 982-3RV20211KA10	Siemens	Circuit Breakers MSP S0 9 - 12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	9In Stock	$447.24 $370.61 $345.06 $302.21	Min.: 1 Mult.: 1	3RV2	Circuit Breakers	Motor Protection	12.5 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC QBHW3100HS Eaton Electrical 1: $2,166.75 1In Stock New At Mouser	Mfr. Part No. QBHW3100HS Mouser Part No 504-QBHW3100HS New At Mouser	Eaton Electrical	Circuit Breakers QBHW 3P 100A 240VAC MAX 22KAIC	Datasheet	1In Stock	$2,166.75	Min.: 1 Mult.: 1
Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit 482-G323-J1M1-B2S1-6A E-T-A 1: $335.24 1In Stock	Mfr. Part No. 482-G323-J1M1-B2S1-6A Mouser Part No 457-82G323J1M1B2S16A	E-T-A	Circuit Breakers Single pole compact high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off posit	Datasheet	1In Stock	$335.24 $253.86 $230.28	Min.: 1 Mult.: 1	482-G	Thermal Circuit Breakers		6 A	115 VAC	28 VDC	1 Pole	Push-Pull	- 55 C	+ 75 C	Non-Illuminated
Circuit Breakers R21-61-7.50A-W02EV AIRPAX 1: $144.98 3In Stock	Mfr. Part No. R21-61-7.50A-W02EV Mouser Part No 874-R21-61-750AW02EV	AIRPAX	Circuit Breakers	Datasheet	3In Stock	$144.98 $137.36 $129.73 $123.90 $119.26	Min.: 1 Mult.: 1		Thermal Circuit Breakers	Thermal	7.5 A			2 Pole	Rocker	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 2210-S211-P1M1-H111-20A E-T-A 1: $335.78 9In Stock	Mfr. Part No. 2210-S211-P1M1-H111-20A Mouser Part No 457-0S211P1M1H11120A	E-T-A	Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 Learn More about E-T-A e t a 2210 s2 thermal magnetic circuit breakers	Datasheet	9In Stock	$335.78 $278.31 $263.24 $230.66	Min.: 1 Mult.: 1	2210-S2	Thermal Circuit Breakers	Thermal Magnetic	20 A	250 VAC, 433 VAC	65 VDC	1 Pole	Toggle	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers UL489 MCB 3P Z 40A 480/277 SU203M-Z40 ABB 1: $290.63 10In Stock New At Mouser	Mfr. Part No. SU203M-Z40 Mouser Part No 894-SU203M-Z40 New At Mouser	ABB	Circuit Breakers UL489 MCB 3P Z 40A 480/277 Learn More about ABB su200m mini circuit breakers	Datasheet	10In Stock	$290.63 $240.88 $223.53 View Quote	Min.: 1 Mult.: 1	SU200M	Circuit Breakers		40 A			3 Pole