Circuit Breakers – Mouser Liechtenstein

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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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Part #

Circuit Breakers 3A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-033-11C3N-3BA
Qualtek
1: CHF 2.69
235In Stock
500Expected 11/20/2026

Mfr. Part No.
QMB-033-11C3N-3BA

Mouser Part No
562-QMB03311C3N3BA

Qualtek

Circuit Breakers 3A FRT PANEL PLASTIC .250 QC TAB TUV

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Datasheet

235In Stock

500Expected 11/20/2026

CHF 2.69

CHF 2.24

CHF 2.07

CHF 1.71

View

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 5A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-053-11C3N-3BA
Qualtek
1: CHF 2.74
440In Stock

Mfr. Part No.
QMB-053-11C3N-3BA

Mouser Part No
562-QMB05311C3N3BA

Qualtek

Circuit Breakers 5A FRT PANEL PLASTIC .250 QC TAB TUV

Learn More

Datasheet

440In Stock

CHF 2.74

CHF 2.27

CHF 2.09

CHF 1.73

View

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: CHF 2.71
478In Stock

Mfr. Part No.
QMB-073-00ENN-3BA

Mouser Part No
562-QMB07300ENN3BA

Qualtek

Circuit Breakers 7A Snap In Plastic .250 QC TAB TUV

Learn More

Datasheet

478In Stock

CHF 2.71

CHF 2.25

CHF 2.07

CHF 1.72

View

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: CHF 3.22
468In Stock

Mfr. Part No.
QMB-103-00ENN-3BA

Mouser Part No
562-QMB10300ENN3BA

Qualtek

Circuit Breakers 10A Snap In Plastic .250 QC TAB TUV

Learn More

Datasheet

468In Stock

CHF 3.22

CHF 3.07

CHF 2.91

CHF 2.35

View

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: CHF 2.42
672In Stock

Mfr. Part No.
QMB-103-11C3N-3BA

Mouser Part No
562-QMB10311C3N3BA

Qualtek

Circuit Breakers 10A FRT PNL PLASTIC .250 QC TAB TUV

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Datasheet

672In Stock

CHF 2.42

CHF 2.01

CHF 1.85

CHF 1.54

View

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 7A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-073-11C3N-3BA
Qualtek
1: CHF 2.76
1’991On Order

Mfr. Part No.
QMB-073-11C3N-3BA

Mouser Part No
562-QMB07311C3N3BA

Qualtek

Circuit Breakers 7A FRT PANEL PLASTIC .250 QC TAB TUV

Learn More

Datasheet

1’991On Order

CHF 2.76

CHF 2.41

CHF 2.28

CHF 1.83

View

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: CHF 2.64
3’796On Order

Mfr. Part No.
QMB-153-11C3N-3BA

Mouser Part No
562-QMB15311C3N3BA

Qualtek

Circuit Breakers 15A FRT PNL PLASTIC .250 QC TAB TUV

Learn More

Datasheet

3’796On Order

CHF 2.64

CHF 2.19

CHF 2.01

CHF 1.67

View

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 12A FRT PNL PLASTIC .250 QC TAB TUV

QMB-123-11C3N-3BA
Qualtek
1: CHF 3.09
492Expected 8/3/2026

Mfr. Part No.
QMB-123-11C3N-3BA

Mouser Part No
562-QMB12311C3N3BA

Qualtek

Circuit Breakers 12A FRT PNL PLASTIC .250 QC TAB TUV

Learn More

Datasheet

492Expected 8/3/2026

CHF 3.09

CHF 2.94

CHF 2.79

CHF 2.25

View

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 20A Snap In Plastic .250 QC TAB

QMB-203-00ENN-3BA
Qualtek
1: CHF 2.64
500Expected 10/19/2026

Mfr. Part No.
QMB-203-00ENN-3BA

Mouser Part No
562-QMB20300ENN3BA

Qualtek

Circuit Breakers 20A Snap In Plastic .250 QC TAB

Learn More

Datasheet

500Expected 10/19/2026

CHF 2.64

CHF 2.19

CHF 2.01

CHF 1.67

View

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: CHF 2.46
500Expected 1/15/2027

Mfr. Part No.
QMB-203-11C3N-3BA

Mouser Part No
562-QMB20311C3N3BA

Qualtek

Circuit Breakers 20A FRT PNL PLASTIC .250 QC TAB

Learn More

Datasheet

500Expected 1/15/2027

CHF 2.46

CHF 2.05

CHF 1.89

CHF 1.56

View

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: CHF 2.69
Non-Stocked Lead-Time 30 Weeks

Mfr. Part No.
QMB-033-00ENN-3BA

Mouser Part No
562-QMB03300ENN3BA

Qualtek

Circuit Breakers 3A SNAP IN PLASTIC .250 QC TAB TUV

Learn More

Datasheet

Non-Stocked Lead-Time 30 Weeks

CHF 2.69

CHF 2.46

CHF 2.42

CHF 1.72

View

Min.: 1
Mult.: 1

QMB

Circuit Breakers 5A Snap In Plastic .250 QC TAB TUV

QMB-053-00ENN-3BA
Qualtek
1: CHF 3.23
Non-Stocked

Mfr. Part No.
QMB-053-00ENN-3BA

Mouser Part No
562-QMB05300ENN3BA

Qualtek

Circuit Breakers 5A Snap In Plastic .250 QC TAB TUV

Learn More

Datasheet

Non-Stocked

CHF 3.23

CHF 3.08

CHF 2.92

CHF 2.36

View

Min.: 1
Mult.: 1

QMB

Circuit Breakers 12A Snap In Plastic .250 QC TAB TUV

QMB-123-00ENN-3BA
Qualtek
1: CHF 3.81
Non-Stocked Lead-Time 27 Weeks

Mfr. Part No.
QMB-123-00ENN-3BA

Mouser Part No
562-QMB12300ENN3BA

Qualtek

Circuit Breakers 12A Snap In Plastic .250 QC TAB TUV

Learn More

Datasheet

Non-Stocked Lead-Time 27 Weeks

CHF 3.81

CHF 3.41

CHF 3.25

CHF 2.58

CHF 2.24

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: CHF 1.98
Non-Stocked

Mfr. Part No.
QMB-153-00ENN-3BA

Mouser Part No
562-QMB15300ENN3BA

Qualtek

Circuit Breakers 15A Snap In Plastic .250 QC TAB TUV

Learn More

Datasheet

Non-Stocked

CHF 1.98

CHF 1.94

CHF 1.88

CHF 1.58

View

Min.: 1
Mult.: 1

QMB

QMB Series Thermal Circuit Breakers

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