.hide-partial { max-height: none; } .show-more { display: none; }

20 A Circuit Breakers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 3,982

Applied Filters:

Current Rating = 20 A

Manufacturer

Series

Product

Type

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	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 508,DM,24VDC,CL,20A,ATX REX22D-TA1-100-DC24V-20A-E E-T-A 1: S/ 409.02 7In Stock 4Expected 12/11/2026 New Product	Mfr. Part # REX22D-TA1-100-DC24V-20A-E Mouser Part # 457-REX22DTA120E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,20A,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	7In Stock 4Expected 12/11/2026	S/ 409.02 S/ 350.09 S/ 335.77 S/ 305.06 View S/ 294.90 Quote	Min.: 1 Mult.: 1		REX22D	Circuit Breakers		20 A		24 VDC			- 25 C	+ 60 C	Illuminated
Circuit Breakers TMC 71D 20A 1020052 Phoenix Contact 1: S/ 88.17 1,031In Stock 48Expected 11/9/2026	Mfr. Part # 1020052 Mouser Part # 651-1020052	Phoenix Contact	Circuit Breakers TMC 71D 20A Learn More about Phoenix Contact tmc 7 supplementary protectors	Datasheet	1,031In Stock 48Expected 11/9/2026	S/ 88.17	Min.: 1 Mult.: 1		TMC 7	Circuit Breakers	Thermal Magnetic	20 A	277 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers TMC 81C 20A 2907573 Phoenix Contact 1: S/ 83.96 1,640In Stock	Mfr. Part # 2907573 Mouser Part # 651-2907573	Phoenix Contact	Circuit Breakers TMC 81C 20A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	1,640In Stock	S/ 83.96	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	20 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 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-20A E-T-A 1: S/ 141.14 190In Stock	Mfr. Part # 3120-N321-P7T1-W01D-20A Mouser Part # 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	S/ 141.14 S/ 117.09 S/ 108.02 S/ 89.45 View S/ 87.58 S/ 85.56 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 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-IG2-P10-DD-20A E-T-A 1: S/ 136.39 108In Stock	Mfr. Part # 2-5700-IG2-P10-DD-20A Mouser Part # 457-25700IG2P10DD20A	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	108In Stock	S/ 136.39 S/ 113.15 S/ 99.34 S/ 86.65 View S/ 74.62 S/ 71.43 S/ 67.65	Min.: 1 Mult.: 1		2-5700	Thermal Circuit Breakers	Overcurrent Protection	20 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers BRKR ED4 2P 480V 20A ED42B020 Siemens 1: S/ 6,980.89 1In Stock	Mfr. Part # ED42B020 Mouser Part # 982-ED42B020	Siemens	Circuit Breakers BRKR ED4 2P 480V 20A	Datasheet	1In Stock	S/ 6,980.89	Min.: 1 Mult.: 1			Circuit Breakers	Low Voltage	20 A	480 VAC		2 Pole	Handle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEG111-1-61-20.0-A-01-V AIRPAX 1: S/ 690.80 9In Stock	Mfr. Part # IEG111-1-61-20.0-A-01-V Mouser Part # 874-IEG111161200A01V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	9In Stock	S/ 690.80 S/ 603.26 S/ 419.26 S/ 368.39 View S/ 304.86 Quote	Min.: 1 Mult.: 1		217	Circuit Breakers	Hydraulic Magnetic	20 A			3 Pole	Handle	- 40 C	+ 85 C	Non-Illuminated
Circuit Breakers 1pole 20Amp Toggle Mag circuit breaker W67-X2Q12-20 TE Connectivity / P&B 1: S/ 300.46 123In Stock	Mfr. Part # W67-X2Q12-20 Mouser Part # 655-W67-X2Q12-20	TE Connectivity / P&B	Circuit Breakers 1pole 20Amp Toggle Mag circuit breaker	Datasheet	123In Stock	S/ 300.46 S/ 280.57 S/ 272.55 S/ 269.59 View S/ 269.24 Quote	Min.: 1 Mult.: 1		W6	Hydraulic Magnetic Circuit Breakers	Hydraulic Magnetic	20 A	277 VAC		1 Pole	Toggle	- 40 C	+ 85 C	Non-Illuminated	Tray
Circuit Breakers TMC 81B 20A 2907492 Phoenix Contact 1: S/ 83.96 321In Stock	Mfr. Part # 2907492 Mouser Part # 651-2907492	Phoenix Contact	Circuit Breakers TMC 81B 20A Learn More about Phoenix Contact control cabinets	Datasheet	321In Stock	S/ 83.96	Min.: 1 Mult.: 1		TMC 8	Circuit Breakers	Thermal Magnetic	20 A	120 VAC	60 VDC	1 Pole	Lever	- 35 C	+ 70 C	Non-Illuminated
Circuit Breakers Cir Brkr,HydMag AP1-1-51-203 AIRPAX 1: S/ 2,160.65 4In Stock	Mfr. Part # AP1-1-51-203 Mouser Part # 874-AP1-1-51-203	AIRPAX	Circuit Breakers Cir Brkr,HydMag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	4In Stock	S/ 2,160.65 S/ 720.23 S/ 626.65 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A		50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi 1658-F01-00-P10-20A E-T-A 1: S/ 28.34 1,909In Stock	Mfr. Part # 1658-F01-00-P10-20A Mouser Part # 457-1658F0100P1020A	E-T-A	Circuit Breakers Very cost effective design to meet international requirements. No exposed metal parts which are current-carrying except for terminals. R-type TO CBE to EN 60934. Units built to order. For requests under 500 pcs contact Customer Servi	Datasheet	1,909In Stock	S/ 28.34 S/ 26.98 S/ 17.36 S/ 14.48 View S/ 12.81 S/ 12.69	Min.: 1 Mult.: 1		1658	Thermal Circuit Breakers	Overcurrent Protection	20 A	240 VAC	28 VDC	1 Pole	Push to Reset	- 20 C	+ 60 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: S/ 961.06 9In Stock	Mfr. Part # 2210-S211-P1M1-H111-20A Mouser Part # 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	S/ 961.06 S/ 796.56 S/ 753.43 S/ 660.17	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 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: S/ 156.98 66In Stock	Mfr. Part # 3120-N554-P7T1-W02D-20A Mouser Part # 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	S/ 156.98 S/ 130.20 S/ 120.08 S/ 100.62 S/ 88.98	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 CIRCUIT BREAKER M39019/01-215 AIRPAX 1: S/ 3,311.04 2In Stock	Mfr. Part # M39019/01-215 Mouser Part # 874-M39019/01-215	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata ap circuit breakers	Datasheet	2In Stock	S/ 3,311.04 S/ 1,103.80 S/ 960.28 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers		20 A	250 VAC	50 VDC	1 Pole	Toggle			Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag AP116-7064-258 AIRPAX 1: S/ 6,902.53 1In Stock	Mfr. Part # AP116-7064-258 Mouser Part # 874-AP116-7064-258	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata ap circuit breakers	Datasheet	1In Stock	S/ 6,902.53 S/ 2,300.93 View Quote	Min.: 1 Mult.: 1	No	AP	Circuit Breakers	Hydraulic Magnetic	20 A	250 VAC	80 VDC	3 Pole	Toggle	- 40 C	+ 100 C	Non-Illuminated
Circuit Breakers SP S0 14-20A AUX 1NO 1NC SCREW 3RV20214BA15 Siemens 1: S/ 1,555.95 4In Stock	Mfr. Part # 3RV20214BA15 Mouser Part # 982-3RV20214BA15	Siemens	Circuit Breakers SP S0 14-20A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	S/ 1,555.95 S/ 1,293.67 S/ 1,192.23	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Motor Protection	20 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers CIRCUIT-BREAKER S0 20A NO OVERLOAD 3RV23214BC10 Siemens 1: S/ 1,290.79 3In Stock	Mfr. Part # 3RV23214BC10 Mouser Part # 982-3RV23214BC10	Siemens	Circuit Breakers CIRCUIT-BREAKER S0 20A NO OVERLOAD Learn More about Siemens 3rv2 circuit breakers	Datasheet	3In Stock	S/ 1,290.79 S/ 1,069.50 S/ 986.01 S/ 877.02 View Quote	Min.: 1 Mult.: 1		3RV2	Circuit Breakers	Starter Combination	20 A	690 VAC		3 Pole	Rotary	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers MCB 5SJ4 1P 240V 20A SAME PH 14K C-TRIP 5SJ41207HG40 Siemens 1: S/ 306.61 24In Stock	Mfr. Part # 5SJ41207HG40 Mouser Part # 982-5SJ41207HG40	Siemens	Circuit Breakers MCB 5SJ4 1P 240V 20A SAME PH 14K C-TRIP Learn More about Siemens 5sj4 mini circuit breakers	Datasheet	24In Stock	S/ 306.61 S/ 257.29 S/ 227.01 S/ 196.34 S/ 180.81	Min.: 1 Mult.: 1		5SJ4	Circuit Breakers	Miniature	20 A	240 VAC	60 VDC	1 Pole	Lever	- 25 C	+ 55 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag R11-3-20.0A-R121EV AIRPAX 1: S/ 138.22 30In Stock	Mfr. Part # R11-3-20.0A-R121EV Mouser Part # 874-R113200AR121EV	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata snapak circuit protectors	Datasheet	30In Stock	S/ 138.22 S/ 135.46 S/ 131.64 S/ 124.68 View S/ 119.27 S/ 115.18 Quote	Min.: 1 Mult.: 1		Snapak	Thermal Circuit Breakers	Thermal	20 A			1 Pole	Rocker	- 40 C	+ 85 C	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-N551-P7T1-W02D-20A E-T-A 1: S/ 137.02 7In Stock 20Expected 11/20/2026	Mfr. Part # 3120-N551-P7T1-W02D-20A Mouser Part # 457-0N551P7T1W02D20A	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	Datasheet	7In Stock 20Expected 11/20/2026	S/ 137.02 S/ 113.66 S/ 106.07 S/ 89.49 View S/ 77.93 S/ 76.76 S/ 75.75 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 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-W02D-20A E-T-A 1: S/ 173.22 5In Stock	Mfr. Part # 3120-N521-P7T1-W02D-20A Mouser Part # 457-521P7T1W02D20	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	5In Stock	S/ 173.22 S/ 143.71 S/ 118.53 S/ 106.85 S/ 99.61	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 Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio 3131-BF1NQ-000000-000-20A E-T-A 1: S/ 114.52 7In Stock	Mfr. Part # 3131-BF1NQ-000000-000-20A Mouser Part # 457-F1NQ00000000020A	E-T-A	Circuit Breakers Single pole three-position switch with latching or momentary switch functions. Featuring a soft-touch contoured rocker actuator with optional illumination. The 3131 is sealed to provide IP66 rated front of panel water splash protectio	Datasheet	7In Stock	S/ 114.52 S/ 95.02 S/ 80.61 S/ 74.27 View S/ 70.96 S/ 68.24 S/ 65.86 Quote	Min.: 1 Mult.: 1		3131-B/D	Circuit Breakers	Thermal	20 A		32 VDC	3 Pole	Rocker	- 20 C	+ 60 C	Non-Illuminated
Circuit Breakers Cir Brkr Hyd Mag IEG66-1-63-20.0-91-V AIRPAX 1: S/ 431.83 4In Stock	Mfr. Part # IEG66-1-63-20.0-91-V Mouser Part # 874-IEG661632091V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	4In Stock	S/ 431.83 S/ 377.34 S/ 262.24 S/ 230.32 View S/ 190.73 S/ 174.77 Quote	Min.: 1 Mult.: 1			Circuit Breakers		20 A			2 Pole	Toggle	- 40 C	+ 85 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-K10-20A E-T-A 1: S/ 120.75 36In Stock	Mfr. Part # 2-5700-IG1-K10-20A Mouser Part # 457-25700IG1K1020A	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	36In Stock	S/ 120.75 S/ 108.17 S/ 97.27 S/ 95.68 View S/ 85.09 S/ 82.17 S/ 79.41 Quote	Min.: 1 Mult.: 1		2-5700	Thermal Circuit Breakers	Overcurrent Protection	20 A	250 VAC	28 VDC	1 Pole	Push to Reset	- 20 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-W02L-X3120-U0203M-20A E-T-A 1: S/ 433.04 6In Stock	Mfr. Part # 3120-N521-H7T1-W02L-X3120-U0203M-20A Mouser Part # 457-02LX3120U0203M20	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	6In Stock	S/ 433.04 S/ 373.84 S/ 336.62 S/ 288.63 View S/ 269.40 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