Circuit Breakers – Mouser Japan

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QMB Series Thermal Circuit Breakers

Qualtek Electronics QMB Series Thermal Circuit Breakers feature plastic M11x1.0 thread or snap-in bushings, maximum interruption capacity of 1000A, .250 quick connect tabs, and an operating temperature range of -10°C to +60°C, as well as front panel and snap-in mounting options. The devices are cost effective in consumer products, home appliances, telecom, medical, toys, motors, power supplies, marine, power strips, and transportation applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 5A FRT PANEL PLASTIC .250 QC TAB TUV QMB-053-11C3N-3BA Qualtek 1: ¥573 261In Stock	Mfr. Part # QMB-053-11C3N-3BA Mouser Part # 562-QMB05311C3N3BA	Qualtek	Circuit Breakers 5A FRT PANEL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	261In Stock	¥573 ¥475 ¥438.5 ¥363.8 View ¥360.4 ¥323.9 ¥262.4 ¥244.2 ¥242.5	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	5 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 7A Snap In Plastic .250 QC TAB TUV QMB-073-00ENN-3BA Qualtek 1: ¥568.1 473In Stock	Mfr. Part # QMB-073-00ENN-3BA Mouser Part # 562-QMB07300ENN3BA	Qualtek	Circuit Breakers 7A Snap In Plastic .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	473In Stock	¥568.1 ¥471.7 ¥435.2 ¥360.4 View ¥333.9 ¥299 ¥274.1 ¥252.5 ¥220.9	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	7 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 10A Snap In Plastic .250 QC TAB TUV QMB-103-00ENN-3BA Qualtek 1: ¥674.4 467In Stock	Mfr. Part # QMB-103-00ENN-3BA Mouser Part # 562-QMB10300ENN3BA	Qualtek	Circuit Breakers 10A Snap In Plastic .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	467In Stock	¥674.4 ¥642.8 ¥611.2 ¥493.3 View ¥416.9 ¥406.9 ¥265.8 ¥234.2 ¥209.3	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	10 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 10A FRT PNL PLASTIC .250 QC TAB TUV QMB-103-11C3N-3BA Qualtek 1: ¥506.6 661In Stock	Mfr. Part # QMB-103-11C3N-3BA Mouser Part # 562-QMB10311C3N3BA	Qualtek	Circuit Breakers 10A FRT PNL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	661In Stock	¥506.6 ¥421.9 ¥388.7 ¥322.2 View ¥297.3 ¥267.4 ¥245.8 ¥225.9 ¥224.2	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	10 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 12A FRT PNL PLASTIC .250 QC TAB TUV QMB-123-11C3N-3BA Qualtek 1: ¥646.1 489In Stock	Mfr. Part # QMB-123-11C3N-3BA Mouser Part # 562-QMB12311C3N3BA	Qualtek	Circuit Breakers 12A FRT PNL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	489In Stock	¥646.1 ¥616.2 ¥584.7 ¥471.7 View ¥400.3 ¥390.3 ¥254.1 ¥224.2 ¥201	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	12 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 3A FRT PANEL PLASTIC .250 QC TAB TUV QMB-033-11C3N-3BA Qualtek 1: ¥596.3 985On Order	Mfr. Part # QMB-033-11C3N-3BA Mouser Part # 562-QMB03311C3N3BA	Qualtek	Circuit Breakers 3A FRT PANEL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	985On Order On Order Ship Dates Mfr. #: QMB-033-11C3N-3BA Stock: 0 On Order: 485 Expected 11/27/2026 500 Expected 4/30/2027 Factory Lead-Time: 29 Weeks	¥596.3 ¥504.9 ¥478.4 ¥383.7 View ¥338.8 ¥310.6 ¥280.7 ¥267.4	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	3 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 7A FRT PANEL PLASTIC .250 QC TAB TUV QMB-073-11C3N-3BA Qualtek 1: ¥556.4 1,991On Order	Mfr. Part # QMB-073-11C3N-3BA Mouser Part # 562-QMB07311C3N3BA	Qualtek	Circuit Breakers 7A FRT PANEL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	1,991On Order On Order Ship Dates Mfr. #: QMB-073-11C3N-3BA Stock: 0 On Order: 491 Expected 11/4/2026 1,500 Expected 12/7/2026 Factory Lead-Time: 27 Weeks	¥556.4 ¥506.6 ¥490 ¥385.4 View ¥327.2 ¥307.3 ¥269.1 ¥247.5 ¥240.8	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	7 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 15A FRT PNL PLASTIC .250 QC TAB TUV QMB-153-11C3N-3BA Qualtek 1: ¥553.1 3,245On Order	Mfr. Part # QMB-153-11C3N-3BA Mouser Part # 562-QMB15311C3N3BA	Qualtek	Circuit Breakers 15A FRT PNL PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	3,245On Order On Order Ship Dates Mfr. #: QMB-153-11C3N-3BA Stock: 0 On Order: 245 Expected 10/27/2026 1,000 Expected 12/11/2026 2,000 Expected 1/15/2027 Factory Lead-Time: 29 Weeks	¥553.1 ¥460.1 ¥423.6 ¥352.1 View ¥325.6 ¥292.3 ¥269.1 ¥247.5	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	15 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 20A Snap In Plastic .250 QC TAB QMB-203-00ENN-3BA Qualtek 1: ¥551.5 500Expected 11/4/2026	Mfr. Part # QMB-203-00ENN-3BA Mouser Part # 562-QMB20300ENN3BA	Qualtek	Circuit Breakers 20A Snap In Plastic .250 QC TAB Learn More about Qualtek qmb thermal circuit breakers	Datasheet	500Expected 11/4/2026	¥551.5 ¥458.4 ¥421.9 ¥350.5 View ¥322.2 ¥290.7 ¥267.4 ¥222.6	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	20 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB QMB-203-11C3N-3BA Qualtek 1: ¥548.1 500Expected 1/22/2027	Mfr. Part # QMB-203-11C3N-3BA Mouser Part # 562-QMB20311C3N3BA	Qualtek	Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB Learn More about Qualtek qmb thermal circuit breakers	Datasheet	500Expected 1/22/2027	¥548.1 ¥453.5 ¥418.6 ¥347.1 View ¥320.6 ¥287.4 ¥264.1 ¥229.2	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	20 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 3A SNAP IN PLASTIC .250 QC TAB TUV QMB-033-00ENN-3BA Qualtek 1: ¥624.5 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # QMB-033-00ENN-3BA Mouser Part # 562-QMB03300ENN3BA	Qualtek	Circuit Breakers 3A SNAP IN PLASTIC .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 30 Weeks	¥624.5 ¥573 ¥546.5 ¥456.8 View ¥380.4 ¥322.2 ¥274.1	Min.: 1 Mult.: 1	QMB
Circuit Breakers 5A Snap In Plastic .250 QC TAB TUV QMB-053-00ENN-3BA Qualtek 1: ¥676 Non-Stocked	Mfr. Part # QMB-053-00ENN-3BA Mouser Part # 562-QMB05300ENN3BA	Qualtek	Circuit Breakers 5A Snap In Plastic .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	Non-Stocked	¥676 ¥644.5 ¥612.9 ¥495 View ¥418.6 ¥408.6 ¥265.8 ¥234.2 ¥209.3	Min.: 1 Mult.: 1	QMB
Circuit Breakers 12A Snap In Plastic .250 QC TAB TUV QMB-123-00ENN-3BA Qualtek 1: ¥797.3 Non-Stocked Lead-Time 27 Weeks	Mfr. Part # QMB-123-00ENN-3BA Mouser Part # 562-QMB12300ENN3BA	Qualtek	Circuit Breakers 12A Snap In Plastic .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	Non-Stocked Lead-Time 27 Weeks	¥797.3 ¥714.2 ¥681 ¥539.8 ¥470.1	Min.: 1 Mult.: 1	QMB	Circuit Breakers	Thermal	12 A	125 VAC to 250 VAC	32 VDC	1 Pole	Pushbutton	- 10 C	+ 60 C	Non-Illuminated
Circuit Breakers 15A Snap In Plastic .250 QC TAB TUV QMB-153-00ENN-3BA Qualtek 1: ¥415.3 Non-Stocked	Mfr. Part # QMB-153-00ENN-3BA Mouser Part # 562-QMB15300ENN3BA	Qualtek	Circuit Breakers 15A Snap In Plastic .250 QC TAB TUV Learn More about Qualtek qmb thermal circuit breakers	Datasheet	Non-Stocked	¥415.3 ¥405.3 ¥393.7 ¥330.5 View ¥274.1 ¥257.5 ¥217.6 ¥162.6 ¥149.3	Min.: 1 Mult.: 1	QMB

QMB Series Thermal Circuit Breakers

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