Circuit Breakers – Mouser United Kingdom

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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: £2.55
135In Stock
500Expected 20/11/2026

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

Mouser Part No
562-QMB03311C3N3BA

Qualtek

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

Learn More

Datasheet

135In Stock

500Expected 20/11/2026

£2.55

£2.12

£1.96

£1.62

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: £2.59
431In 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

431In Stock

£2.59

£2.15

£1.98

£1.64

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: £2.57
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

£2.57

£2.13

£1.96

£1.63

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: £3.05
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

£3.05

£2.91

£2.76

£2.23

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: £2.29
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

Learn More

Datasheet

672In Stock

£2.29

£1.90

£1.75

£1.46

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 12A FRT PNL PLASTIC .250 QC TAB TUV

QMB-123-11C3N-3BA
Qualtek
1: £2.92
492In Stock

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

492In Stock

£2.92

£2.78

£2.65

£2.13

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 7A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-073-11C3N-3BA
Qualtek
1: £2.69
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

£2.69

£2.34

£2.22

£1.79

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: £2.50
3,546On 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

3,546On Order

£2.50

£2.07

£1.90

£1.58

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 20A Snap In Plastic .250 QC TAB

QMB-203-00ENN-3BA
Qualtek
1: £2.50
500Expected 19/10/2026

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 19/10/2026

£2.50

£2.07

£1.90

£1.58

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: £2.48
500Expected 15/01/2027

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 15/01/2027

£2.48

£2.05

£1.89

£1.57

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: £2.55
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

£2.55

£2.33

£2.29

£1.63

View

Min.: 1
Mult.: 1

QMB

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

QMB-053-00ENN-3BA
Qualtek
1: £3.06
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

£3.06

£2.92

£2.77

£2.23

View

Min.: 1
Mult.: 1

QMB

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

QMB-123-00ENN-3BA
Qualtek
1: £3.61
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

£3.61

£3.23

£3.08

£2.44

£2.12

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: £1.88
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

£1.88

£1.83

£1.78

£1.49

View

Min.: 1
Mult.: 1

QMB

QMB Series Thermal Circuit Breakers

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