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Snap-In 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 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-W02D-1.5A E-T-A 1: $82.06 9Expected 4/12/2026	Mfr. Part No. 3120-N321-P7T1-W02D-1.5A Mouser Part No 457-321P7T1W02D1.5A	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	9Expected 4/12/2026	$82.06 $68.08 $56.41 $50.70 $47.76	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	1.5 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 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 prot 3120-N521-P7T1-W01D-10A E-T-A 1: $60.44 570In Stock	Mfr. Part No. 3120-N521-P7T1-W01D-10A Mouser Part No 457-521P7T1W01D10	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	570In Stock	$60.44 $50.16 $45.72 $39.07 View $36.00 $34.42 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 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-16A E-T-A 1: $55.92 371In Stock	Mfr. Part No. 3120-N521-H7T1-W01D-16A Mouser Part No 457-521H7T1W01D16	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	371In Stock	$55.92 $55.12 $52.36 $50.71 View $27.53 $27.39 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	16 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 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 prot 3120-N321-P7T1-W01D-10A E-T-A 1: $46.51 141In Stock	Mfr. Part No. 3120-N321-P7T1-W01D-10A Mouser Part No 457-N321P7T1W01D10	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	141In Stock	$46.51 $38.60 $38.58 $35.94 View $33.50 $26.74 $26.10	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 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 prot 3120-N321-P7T1-W02D-10A E-T-A 1: $60.44 98In Stock	Mfr. Part No. 3120-N321-P7T1-W02D-10A Mouser Part No 457-N321P7T1W02D10	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	98In Stock	$60.44 $50.14 $45.86 $39.34 View $35.28 $34.80	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	10 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 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 prot 3120-N321-P7T1-W19DG4-15A E-T-A 1: $81.80 68In Stock	Mfr. Part No. 3120-N321-P7T1-W19DG4-15A Mouser Part No 457-N321P7T1W19DG415	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	68In Stock	$81.80 $59.77 $54.02 $43.83 $40.38	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Illuminated
Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite 3120-N524-P7T1-W01D-15A E-T-A 1: $51.87 67In Stock	Mfr. Part No. 3120-N524-P7T1-W01D-15A Mouser Part No 457-N524P7T1W01D15	E-T-A	Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally suite Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	67In Stock	$51.87 $43.04 $39.70 $39.21 View $30.29 $29.99 Quote	Min.: 1 Mult.: 1	3120-N	Thermal Circuit Breakers	Overcurrent Protection	15 A	240 VAC	50 VDC	2 Pole	Rocker	- 30 C	+ 60 C	Non-Illuminated
Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally sui 3120-N554-P7T1-W02D-20A E-T-A 1: $54.85 66In Stock	Mfr. Part No. 3120-N554-P7T1-W02D-20A Mouser Part No 457-554P7T1W02D20	E-T-A	Circuit Breakers The 3120-N...4 IP65 rated 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...4 is ideally sui Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	66In Stock	$54.85 $45.49 $41.96 $35.16 $31.09	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 0.25A PUSH TO RESET W28-XQ1A-0.25 TE Connectivity / P&B 1: $16.73 326In Stock	Mfr. Part No. W28-XQ1A-0.25 Mouser Part No 655-W28-XQ1A-0.25	TE Connectivity / P&B	Circuit Breakers 0.25A PUSH TO RESET	Datasheet	326In Stock	$16.73 $12.04 $10.40 $10.06 View $9.28 $8.73	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	250 mA	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 0.5A PUSH TO RESET W28-XQ1A-0.50 TE Connectivity / P&B 1: $12.19 253In Stock 600Expected 15/2/2027	Mfr. Part No. W28-XQ1A-0.50 Mouser Part No 655-W28-XQ1A-0.50	TE Connectivity / P&B	Circuit Breakers 0.5A PUSH TO RESET	Datasheet	253In Stock 600Expected 15/2/2027	$12.19 $11.06 $9.04 $8.13 $7.96	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	500 mA	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 1A PUSH TO RESET W28-XQ1A-1 TE Connectivity / P&B 1: $14.69 1,387In Stock 2,400Expected 18/1/2027	Mfr. Part No. W28-XQ1A-1 Mouser Part No 655-W28-XQ1A-1	TE Connectivity / P&B	Circuit Breakers 1A PUSH TO RESET	Datasheet	1,387In Stock 2,400Expected 18/1/2027	$14.69 $11.06 $9.56 $8.13 View $8.12 $7.96	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	1 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers W28-XQ1A-12 CIRCUIT BREAKERS W28-XQ1A-12 TE Connectivity / P&B 1: $9.29 894In Stock	Mfr. Part No. W28-XQ1A-12 Mouser Part No 655-W28-XQ1A-12	TE Connectivity / P&B	Circuit Breakers W28-XQ1A-12 CIRCUIT BREAKERS	Datasheet	894In Stock	$9.29 $8.12 $6.56 $5.83 View $5.07 $4.88 $4.60	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	12 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS W28-XQ1A-16 TE Connectivity / P&B 1: $8.38 1,327In Stock	Mfr. Part No. W28-XQ1A-16 Mouser Part No 655-W28-XQ1A-16	TE Connectivity / P&B	Circuit Breakers W28-XQ1A-16 CIRCUIT BREAKERS	Datasheet	1,327In Stock	$8.38 $6.64 $5.39 $5.36 View $4.76 $4.32 $4.30	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	16 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 2A PUSH TO RESET W28-XQ1A-2 TE Connectivity / P&B 1: $12.21 2,202In Stock	Mfr. Part No. W28-XQ1A-2 Mouser Part No 655-W28-XQ1A-2	TE Connectivity / P&B	Circuit Breakers 2A PUSH TO RESET	Datasheet	2,202In Stock	$12.21 $11.06 $9.04 $8.57 View $8.55 $8.53 $7.98 $7.96	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	2 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 20A PUSH TO RESET W28-XQ1A-20 TE Connectivity / P&B 1: $9.26 821In Stock 3,000Expected 25/1/2027	Mfr. Part No. W28-XQ1A-20 Mouser Part No 655-W28-XQ1A-20	TE Connectivity / P&B	Circuit Breakers 20A PUSH TO RESET	Datasheet	821In Stock 3,000Expected 25/1/2027	$9.26 $7.24 $6.83 $4.81 View $4.61 $4.35 $4.30	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	20 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 4A PUSH TO RESET W28-XQ1A-4 TE Connectivity / P&B 1: $6.19 1,113In Stock 3,600On Order	Mfr. Part No. W28-XQ1A-4 Mouser Part No 655-W28-XQ1A-4	TE Connectivity / P&B	Circuit Breakers 4A PUSH TO RESET	Datasheet	1,113In Stock 3,600On Order On Order Ship Dates Mfr. No: W28-XQ1A-4 Stock: 1,113 Can Dispatch Immediately On Order: 1,200 Expected 5/10/2026 2,400 Expected 15/10/2026 Factory Lead Time: 17 Weeks	$6.19 $4.98 $4.42 $4.22 View $3.98 $3.89 $3.78	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	4 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 5A PUSH TO RESET W28-XQ1A-5 TE Connectivity / P&B 1: $6.19 1,456In Stock	Mfr. Part No. W28-XQ1A-5 Mouser Part No 655-W28-XQ1A-5	TE Connectivity / P&B	Circuit Breakers 5A PUSH TO RESET	Datasheet	1,456In Stock	$6.19 $4.98 $4.45 $4.43 View $4.19 $4.13 Quote	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	5 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 6A PUSH TO RESET W28-XQ1A-6 TE Connectivity / P&B 1: $7.66 599In Stock 600Expected 5/10/2026	Mfr. Part No. W28-XQ1A-6 Mouser Part No 655-W28-XQ1A-6	TE Connectivity / P&B	Circuit Breakers 6A PUSH TO RESET	Datasheet	599In Stock 600Expected 5/10/2026	$7.66 $7.38 $6.17 $5.48 View $5.25 $4.95 $4.39 $3.93	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	6 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 15A PUSH TO RESET W28-XT1A-15 TE Connectivity / P&B 1: $6.38 2,000In Stock	Mfr. Part No. W28-XT1A-15 Mouser Part No 655-W28-XT1A-15	TE Connectivity / P&B	Circuit Breakers 15A PUSH TO RESET	Datasheet	2,000In Stock	$6.38 $6.16 $5.14 $4.64 View $4.41 $4.30	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	15 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 2A BLK W28-XT1A-2 TE Connectivity / P&B 1: $13.41 453In Stock 600Expected 28/12/2026	Mfr. Part No. W28-XT1A-2 Mouser Part No 655-W28-XT1A-2	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 2A BLK	Datasheet	453In Stock 600Expected 28/12/2026	$13.41 $11.70 $9.57 $8.62 View $8.46 $7.96	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	2 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 4A BLK W28-XT1A-4 TE Connectivity / P&B 1: $10.47 588In Stock	Mfr. Part No. W28-XT1A-4 Mouser Part No 655-W28-XT1A-4	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 4A BLK	Datasheet	588In Stock	$10.47 $7.82 $6.32 $5.64 View $5.40 $5.11 $5.06 $4.75	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	4 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT BREAKER THERMAL 6A BLK W28-XT1A-6 TE Connectivity / P&B 1: $8.26 605In Stock	Mfr. Part No. W28-XT1A-6 Mouser Part No 655-W28-XT1A-6	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER THERMAL 6A BLK	Datasheet	605In Stock	$8.26 $6.76 $5.45 $5.25 View $5.22 $4.88 $4.42 $4.30	Min.: 1 Mult.: 1	W28	Thermal Circuit Breakers	Thermal Magnetic	6 A	250 VAC	32 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 15A 2-P Black Rocker P1 & P2 Trip QC W33-T2N1Q-15 TE Connectivity / P&B 1: $156.29 45In Stock	Mfr. Part No. W33-T2N1Q-15 Mouser Part No 655-W33-T2N1Q-15	TE Connectivity / P&B	Circuit Breakers 15A 2-P Black Rocker P1 & P2 Trip QC	Datasheet	45In Stock	$156.29 $142.12 $137.48 $128.59 Quote Quote	Min.: 1 Mult.: 1	W33	Circuit Breakers	Thermal	15 A	250 VAC	50 VDC	2 Pole	Rocker	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 20A 2P White Rocker P1 & P2 Trip QC W33-T2N1Q-20 TE Connectivity / P&B 1: $165.05 48In Stock 420On Order	Mfr. Part No. W33-T2N1Q-20 Mouser Part No 655-W33-T2N1Q-20	TE Connectivity / P&B	Circuit Breakers 20A 2P White Rocker P1 & P2 Trip QC	Datasheet	48In Stock 420On Order On Order Ship Dates Mfr. No: W33-T2N1Q-20 Stock: 48 Can Dispatch Immediately On Order: 180 Expected 25/3/2027 240 Expected 29/3/2027 Factory Lead Time: 22 Weeks	$165.05 $155.71 View Quote	Min.: 1 Mult.: 1	W33	Circuit Breakers	Thermal	20 A	250 VAC	50 VDC	2 Pole	Rocker	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers 10A RCKR ACT RED ILL W51-A121B1-10 TE Connectivity / P&B 1: $8.31 529In Stock	Mfr. Part No. W51-A121B1-10 Mouser Part No 655-W51-A121B1-10	TE Connectivity / P&B	Circuit Breakers 10A RCKR ACT RED ILL	Datasheet	529In Stock	$8.31 $7.85 $6.43 $5.56 $5.48	Min.: 1 Mult.: 1	W51	Circuit Breakers	Thermal	10 A	125 VAC	50 VDC	1 Pole	Rocker	0 C	+ 60 C	Illuminated