Circuit Breakers – Mouser Taiwan

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HCB Molded Case Circuit Breakers

Hartland Controls/Littelfuse HCB Molded Case Circuit Breakers are for use in residential and commercial applications. The unit-mounted (lug/lug) thermal-magnetic HCB circuit breakers are tested and listed according to UL Standard 489 and CSA Standard C22.2 No. 5-02 for molded case circuit breakers and enclosures. These circuit breakers feature a 10A to 60A and one-, two-, or three-pole reversible lug line/load connection.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Current Rating	Voltage Rating AC	Number of Poles	Actuator	Minimum Operating Temperature	Maximum Operating Temperature	Illuminated	Packaging
Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS HCBY3P25GG850 Hartland Controls / Littelfuse 1: NT$9,238.55 11In Stock	Mfr. Part # HCBY3P25GG850 Mouser Part # 576-HCBY3P25GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	11In Stock	NT$9,238.55 NT$7,657.20 NT$7,064.60 NT$5,846.78 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	25 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 35A 3P CIRCUIT BREAKER, LUGS HCBY3P35GG850 Hartland Controls / Littelfuse 1: NT$9,238.55 19In Stock	Mfr. Part # HCBY3P35GG850 Mouser Part # 576-HCBY3P35GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 35A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	19In Stock	NT$9,238.55 NT$7,657.20 NT$7,061.73 NT$5,841.04 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	35 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS HCBY1P25GG850 Hartland Controls / Littelfuse 1: NT$1,672.76 44In Stock	Mfr. Part # HCBY1P25GG850 Mouser Part # 576-HCBY1P25GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 25A 1P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	44In Stock	NT$1,672.76 NT$1,387.75 NT$1,280.20 NT$1,094.86 View NT$1,026.39 NT$958.63 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	25 A	120 VAC, 240 VAC	1 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 45A 2P CIRCUIT BREAKER, LUGS HCBY2P45GG850 Hartland Controls / Littelfuse 1: NT$3,301.79 16In Stock	Mfr. Part # HCBY2P45GG850 Mouser Part # 576-HCBY2P45GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 45A 2P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	16In Stock	NT$3,301.79 NT$2,738.22 NT$2,190.79 NT$2,190.44 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	45 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 50A 2P CIRCUIT BREAKER, LUGS HCBY2P50GG850 Hartland Controls / Littelfuse 1: NT$3,300.71 23In Stock	Mfr. Part # HCBY2P50GG850 Mouser Part # 576-HCBY2P50GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 50A 2P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	23In Stock	NT$3,300.71 NT$2,738.58 NT$2,575.11 NT$2,261.78 View NT$2,259.98 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	50 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY2P40GA850 Hartland Controls / Littelfuse 1: NT$3,297.84 21In Stock	Mfr. Part # HCBY2P40GA850 Mouser Part # 576-HCBY2P40GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 40A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	21In Stock	NT$3,297.84 NT$2,734.64 NT$2,600.20 NT$2,410.91 View NT$2,332.76 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	40 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 35A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY2P35GA850 Hartland Controls / Littelfuse 1: NT$3,301.79 24In Stock	Mfr. Part # HCBY2P35GA850 Mouser Part # 576-HCBY2P35GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 35A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	24In Stock	NT$3,301.79 NT$2,738.22 NT$2,600.56 NT$2,170.00 View NT$2,026.96 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	35 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 45A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY2P45GA850 Hartland Controls / Littelfuse 1: NT$3,297.48 22In Stock Factory Special Order	Mfr. Part # HCBY2P45GA850 Mouser Part # 576-HCBY2P45GA850 Factory Special Order	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 45A 2P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	22In Stock	NT$3,297.48 NT$2,738.22 NT$2,264.64 View NT$2,166.77 NT$2,023.73 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	45 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY1P15GA850 Hartland Controls / Littelfuse 1: NT$1,673.12 23In Stock	Mfr. Part # HCBY1P15GA850 Mouser Part # 576-HCBY1P15GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	23In Stock	NT$1,673.12 NT$1,396.72 NT$1,288.45 NT$1,215.67 View NT$1,182.33 NT$1,156.52 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	15 A	120 VAC, 240 VAC	1 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 60A 2P CIRCUIT BREAKER, LUGS HCBY2P60GG850 Hartland Controls / Littelfuse 1: NT$3,302.14 4In Stock 25Expected 10/6/2026	Mfr. Part # HCBY2P60GG850 Mouser Part # 576-HCBY2P60GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 60A 2P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	4In Stock 25Expected 10/6/2026	NT$3,302.14 NT$2,738.94 NT$2,268.23 NT$2,073.56 NT$2,043.45	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	60 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 10A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P10GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P10GA850 Mouser Part # 576-HCBY3P10GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 10A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	10 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 10A 3P CIRCUIT BREAKER, LUGS HCBY3P10GG850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P10GG850 Mouser Part # 576-HCBY3P10GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 10A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	10 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 15A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P15GA850 Hartland Controls / Littelfuse 1: NT$9,246.07 1In Stock	Mfr. Part # HCBY3P15GA850 Mouser Part # 576-HCBY3P15GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 15A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.07 NT$7,663.30 NT$6,515.74 NT$6,345.45	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	15 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 15A 3P CIRCUIT BREAKER, LUGS HCBY3P15GG850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P15GG850 Mouser Part # 576-HCBY3P15GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 15A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	15 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 20A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P20GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P20GA850 Mouser Part # 576-HCBY3P20GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 20A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	20 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 20A 3P CIRCUIT BREAKER, LUGS HCBY3P20GG850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P20GG850 Mouser Part # 576-HCBY3P20GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 20A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	20 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P25GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P25GA850 Mouser Part # 576-HCBY3P25GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 25A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	25 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 30A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P30GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P30GA850 Mouser Part # 576-HCBY3P30GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 30A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$8,368.11 NT$8,035.42 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	30 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 30A 3P CIRCUIT BREAKER, LUGS HCBY3P30GG850 Hartland Controls / Littelfuse 1: NT$9,246.43 2In Stock	Mfr. Part # HCBY3P30GG850 Mouser Part # 576-HCBY3P30GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 30A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	2In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	30 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 40A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P40GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P40GA850 Mouser Part # 576-HCBY3P40GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 40A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	40 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 45A 3P CIRCUIT BREAKER, LUGS HCBY3P45GG850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P45GG850 Mouser Part # 576-HCBY3P45GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 45A 3P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	45 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 50A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P50GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P50GA850 Mouser Part # 576-HCBY3P50GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 50A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	50 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 60A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT HCBY3P60GA850 Hartland Controls / Littelfuse 1: NT$9,246.43 1In Stock	Mfr. Part # HCBY3P60GA850 Mouser Part # 576-HCBY3P60GA850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 60A 3P CIRCUIT BREAKER, LUGS/QUICK CONNECT Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$9,246.43 NT$7,663.65 NT$7,331.33 NT$6,650.89 View Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	60 A	120 VAC, 240 VAC	3 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS HCBY1P15GG850 Hartland Controls / Littelfuse 1: NT$1,673.12 23In Stock	Mfr. Part # HCBY1P15GG850 Mouser Part # 576-HCBY1P15GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 15A 1P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	23In Stock	NT$1,673.12 NT$1,396.72 NT$1,322.87 NT$1,322.51 View NT$1,303.86 NT$1,266.22 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	15 A	120 VAC, 240 VAC	1 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk
Circuit Breakers 120/240V 35A 2P CIRCUIT BREAKER, LUGS HCBY2P35GG850 Hartland Controls / Littelfuse 1: NT$3,302.14 1In Stock	Mfr. Part # HCBY2P35GG850 Mouser Part # 576-HCBY2P35GG850	Hartland Controls / Littelfuse	Circuit Breakers 120/240V 35A 2P CIRCUIT BREAKER, LUGS Learn More about Hartland Controls / Littelfuse hartland hcb circuit breakers	Datasheet	1In Stock	NT$3,302.14 NT$2,738.94 NT$2,409.12 NT$2,235.25 View NT$2,180.04 Quote	Min.: 1 Mult.: 1	HCB	Thermal Magnetic Circuit Breakers	35 A	120 VAC, 240 VAC	2 Pole	Handle	- 10 C	+ 60 C	Non-Illuminated	Bulk

HCB Molded Case Circuit Breakers

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