Circuit Breakers

Explore Circuit Breakers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.

For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.

Mfr. Part #	Availability	Quantity	Datasheet	Series	Packaging	Product Status	Mounting Type	Breaker Type	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Number of Poles	Illumination	Illumination Voltage (Nominal)	Approval Agency
KBUH3D06 Circ Brkr-UL489, 6A, 3P, D Springer Controls	6,539	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	6A	277 V	-	Lever	3	None	-	CE, CSA, UL489
KBUN1D50 Circ Brkr-UL489, 50A, 1P, D Springer Controls	3,559	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	50A	240 V	-	Lever	1	None	-	CE, CSA, UL489
KBUN2C50 Circ Brkr-UL489, 50A, 2P, C Springer Controls	4,178	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	50A	240 V	-	Lever	2	None	-	CE, CSA, UL489
KBUN3D40 Circ Brkr-UL489, 40A, 3P, D Springer Controls	8,214	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	40A	240 V	-	Lever	3	None	-	CE, CSA, UL489
KBUH3D10 Circ Brkr-UL489, 10A, 3P, D Springer Controls	2,536	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	10A	277 V	-	Lever	3	None	-	CE, CSA, UL489
KBUN3C40 Circ Brkr-UL489, 40A, 3P, C Springer Controls	2,037	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	40A	240 V	-	Lever	3	None	-	CE, CSA, UL489
KBUH3C20 Circ Brkr-UL489, 20A, 3P, C Springer Controls	8,580	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	20A	277 V	-	Lever	3	None	-	CE, CSA, UL489
KBUN3C60 Circ Brkr-UL489, 60A, 3P, C Springer Controls	2,788	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	60A	240 V	-	Lever	3	None	-	CE, CSA, UL489
KBUH2D06 Circ Brkr-UL489, 6A, 2P, D Springer Controls	2,202	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	6A	277 V	-	Lever	2	None	-	CE, CSA, UL489
KBUH2C20 Circ Brkr-UL489, 20A, 2P, C Springer Controls	8,647	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	20A	277 V	-	Lever	2	None	-	CE, CSA, UL489
KBUH2C10 Circ Brkr-UL489, 10A, 2P, C Springer Controls	2,629	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	10A	277 V	-	Lever	2	None	-	CE, CSA, UL489
KBUH1C10 Circ Brkr-UL489, 10A, 1P, C Springer Controls	9,205	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	10A	277 V	-	Lever	1	None	-	CE, CSA, UL489
KBUN2D60 Circ Brkr-UL489, 60A, 2P, D Springer Controls	4,137	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	60A	240 V	-	Lever	2	None	-	CE, CSA, UL489
KBUH1C30 Circ Brkr-UL489, 30A, 1P, C Springer Controls	7,072	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	30A	277 V	-	Lever	1	None	-	CE, CSA, UL489
KBUN1D40 Circ Brkr-UL489, 40A, 1P, D Springer Controls	4,950	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	40A	240 V	-	Lever	1	None	-	CE, CSA, UL489
KBUN3C50 Circ Brkr-UL489, 50A, 3P, C Springer Controls	9,534	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	50A	240 V	-	Lever	3	None	-	CE, CSA, UL489
KBUN3D60 Circ Brkr-UL489, 60A, 3P, D Springer Controls	6,819	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	60A	240 V	-	Lever	3	None	-	CE, CSA, UL489
KBUH1D06 Circ Brkr-UL489, 6A, 1P, D Springer Controls	3,496	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	6A	277 V	-	Lever	1	None	-	CE, CSA, UL489
KBUH2D30 Circ Brkr-UL489, 30A, 2P, D Springer Controls	3,021	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	30A	277 V	-	Lever	2	None	-	CE, CSA, UL489
KBUH1D25 Circ Brkr-UL489, 25A, 1P, D Springer Controls	2,617	RFQ	Datasheet	KBUD	Retail Package	Active	DIN Rail	Thermal	25A	277 V	-	Lever	1	None	-	CE, CSA, UL489

FAQ

Frequently Asked Questions

What are Circuit Breakers components used for?

Circuit Breakers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.

How do I choose the right Circuit Breakers part?

Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.

Can JIEXIN Electronics help source obsolete or hard-to-find Circuit Breakers parts?

Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.

How can I request pricing and availability?

Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.