Circuit Breakers – Mouser Singapore

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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 10A FRT PNL PLASTIC .250 QC TAB TUV

QMB-103-11C3N-3BA
Qualtek
1: $4.24
676In 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

676In Stock

$4.24

$3.53

$3.03

$2.70

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 3A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-033-11C3N-3BA
Qualtek
1: $4.71
386In 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

386In Stock

500Expected 20/11/2026

$4.71

$3.92

$3.61

$3.00

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: $4.80
456In 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

456In Stock

$4.80

$3.98

$3.67

$3.04

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: $4.75
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

$4.75

$3.95

$3.64

$3.02

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: $5.64
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

$5.64

$5.38

$5.12

$4.13

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 20A FRT PNL PLASTIC .250 QC TAB

QMB-203-11C3N-3BA
Qualtek
1: $4.32
13In Stock

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

13In Stock

$4.32

$3.59

$3.31

$2.74

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 7A FRT PANEL PLASTIC .250 QC TAB TUV

QMB-073-11C3N-3BA
Qualtek
1: $4.84
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

$4.84

$4.23

$3.99

$3.21

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: $4.63
1,996On 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

1,996On Order

$4.63

$3.84

$3.53

$2.93

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: $5.41
492Expected 21/8/2026

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 21/8/2026

$5.41

$5.16

$4.89

$3.95

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: $4.61
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

$4.61

$3.84

$3.53

$2.93

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: $4.73
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

$4.73

$4.32

$4.24

$3.02

View

Min.: 1
Mult.: 1

QMB

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

QMB-053-00ENN-3BA
Qualtek
1: $5.66
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

$5.66

$5.39

$5.13

$4.14

View

Min.: 1
Mult.: 1

QMB

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

QMB-123-00ENN-3BA
Qualtek
1: $6.67
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

$6.67

$5.98

$5.70

$4.52

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 15A Snap In Plastic .250 QC TAB TUV

QMB-153-00ENN-3BA
Qualtek
1: $3.48
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

$3.48

$3.39

$3.29

$2.77

View

Min.: 1
Mult.: 1

QMB

QMB Series Thermal Circuit Breakers

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