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MA Series Circuit Breakers

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Series = MA

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Part #

Circuit Breakers MA10UM, 6.3-10A, 3p

MA10UM
Altech
1: $280.15
2In Stock

Mfr. Part #
MA10UM

Mouser Part #
845-MA10UM

Altech

Circuit Breakers MA10UM, 6.3-10A, 3p

Learn More

Datasheet

2In Stock

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

10 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers Motor Protector

MA25UM
Altech
1: $337.93
1In Stock

Mfr. Part #
MA25UM

Mouser Part #
845-MA25UM

Altech

Circuit Breakers Motor Protector

Learn More

Datasheet

1In Stock

$337.93

$280.21

$261.12

$215.04

Quote

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MA1.0UM, 0.63-1.0A, 3p

MA1.0UM
Altech
1: $280.15
3Factory Stock Available

Mfr. Part #
MA1.0UM

Mouser Part #
845-MA1.0UM

Altech

Circuit Breakers MA1.0UM, 0.63-1.0A, 3p

Learn More

Datasheet

3Factory Stock Available

More Info Available

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

1 A

Handle

Circuit Breakers MANUAL MOTOR CONTR 1.6A CIRCUIT BREAKER

MA1.6UM
Altech
1: $280.15
174Factory Stock Available

Mfr. Part #
MA1.6UM

Mouser Part #
845-MA1.6UM

Altech

Circuit Breakers MANUAL MOTOR CONTR 1.6A CIRCUIT BREAKER

Learn More

Datasheet

174Factory Stock Available

More Info Available

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

1.6 A

Handle

Circuit Breakers MA16UM, 10-16A, 3p

MA16UM
Altech
1: $306.59
10Factory Stock Available

Mfr. Part #
MA16UM

Mouser Part #
845-MA16UM

Altech

Circuit Breakers MA16UM, 10-16A, 3p

Learn More

Datasheet

10Factory Stock Available

More Info Available

$306.59

$254.23

$236.90

$195.10

$181.16

Min.: 1
Mult.: 1

16 A

Handle

Circuit Breakers MA2.5UM, 1.6-2.5A, 3p

MA2.5UM
Altech
1: $209.96
1Factory Stock Available

Mfr. Part #
MA2.5UM

Mouser Part #
845-MA2.5UM

Altech

Circuit Breakers MA2.5UM, 1.6-2.5A, 3p

Learn More

Datasheet

1Factory Stock Available

More Info Available

$209.96

$199.78

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

2.5 A

Handle

Circuit Breakers CIRCUIT BREAKER 20A

MA20UM
Altech
1: $316.89
1Factory Stock Available

Mfr. Part #
MA20UM

Mouser Part #
845-MA20UM

Altech

Circuit Breakers CIRCUIT BREAKER 20A

Learn More

Datasheet

1Factory Stock Available

More Info Available

$316.89

$262.76

$244.85

$201.65

Quote

Min.: 1
Mult.: 1

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MA32UM, 25-32A, 3p

MA32UM
Altech
1: $346.51
4Factory Stock Available

Mfr. Part #
MA32UM

Mouser Part #
845-MA32UM

Altech

Circuit Breakers MA32UM, 25-32A, 3p

Learn More

Datasheet

4Factory Stock Available

More Info Available

$346.51

$287.20

$264.74

$218.72

Min.: 1
Mult.: 1

32 A

Handle

Circuit Breakers MA4 0UM 2 5-4 0A 3p Motor Protector

MA4.0UM
Altech
1: $280.15
4Factory Stock Available

Mfr. Part #
MA4.0UM

Mouser Part #
845-MA4.0UM

Altech

Circuit Breakers MA4 0UM 2 5-4 0A 3p Motor Protector

Learn More

Datasheet

4Factory Stock Available

More Info Available

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

4 A

Handle

Circuit Breakers MA40UM, 32-40A, 3p

MA40UM
Altech
1: $385.50
15Factory Stock Available

Mfr. Part #
MA40UM

Mouser Part #
845-MA40UM

Altech

Circuit Breakers MA40UM, 32-40A, 3p

Learn More

Datasheet

15Factory Stock Available

More Info Available

$385.50

$319.51

$294.52

$243.33

Min.: 1
Mult.: 1

40 A

Handle

Circuit Breakers 0.16-0.25A Motor Protector

15.902
Altech
1: $159.18
Non-Stocked

Mfr. Part #
15.902

Mouser Part #
845-15.902

Altech

Circuit Breakers 0.16-0.25A Motor Protector

Learn More

Datasheet

Non-Stocked

$159.18

$134.44

$123.66

$116.84

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

250 mA

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers .4 0.25-0.40A Motor Protector

15.903
Altech
1: $149.20
Non-Stocked

Mfr. Part #
15.903

Mouser Part #
845-15.903

Altech

Circuit Breakers .4 0.25-0.40A Motor Protector

Learn More

Datasheet

Non-Stocked

$149.20

$124.81

$118.26

$98.55

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

400 mA

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA0.6 0.40-0.63A Motor Protector

15.904
Altech
1: $149.20
Non-Stocked

Mfr. Part #
15.904

Mouser Part #
845-15.904

Altech

Circuit Breakers MA0.6 0.40-0.63A Motor Protector

Learn More

Datasheet

Non-Stocked

$149.20

$124.81

$118.26

$98.55

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

630 mA

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA1. 0.63-10A Motor Protector

15.905
Altech
1: $149.20
Non-Stocked

Mfr. Part #
15.905

Mouser Part #
845-15.905

Altech

Circuit Breakers MA1. 0.63-10A Motor Protector

Learn More

Datasheet

Non-Stocked

$149.20

$124.81

$118.26

$98.55

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

1 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA 1.6-2.5A Motor Protector

15.907
Altech
1: $149.20
Non-Stocked

Mfr. Part #
15.907

Mouser Part #
845-15.907

Altech

Circuit Breakers MA 1.6-2.5A Motor Protector

Learn More

Datasheet

Non-Stocked

$149.20

$124.81

$118.26

$98.55

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

2.5 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA4.2.5-4.0A Motor Protector

15.908
Altech
1: $149.20
Non-Stocked

Mfr. Part #
15.908

Mouser Part #
845-15.908

Altech

Circuit Breakers MA4.2.5-4.0A Motor Protector

Learn More

Datasheet

Non-Stocked

$149.20

$124.81

$118.26

$98.55

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

4 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA 10.0-16.0A

15.911
Altech
1: $161.79
Non-Stocked

Mfr. Part #
15.911

Mouser Part #
845-15.911

Altech

Circuit Breakers MA 10.0-16.0A

Learn More

Datasheet

Non-Stocked

$161.79

$136.58

$129.42

$107.85

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

16 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA2 16.0-20.0A Motor Protector

15.912
Altech
1: $167.24
Non-Stocked

Mfr. Part #
15.912

Mouser Part #
845-15.912

Altech

Circuit Breakers MA2 16.0-20.0A Motor Protector

Learn More

Datasheet

Non-Stocked

$167.24

$141.19

$133.76

$111.47

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

20 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers MA20.0-25.0A Motor Protector

15.913
Altech
1: $176.45
Non-Stocked

Mfr. Part #
15.913

Mouser Part #
845-15.913

Altech

Circuit Breakers MA20.0-25.0A Motor Protector

Learn More

Datasheet

Non-Stocked

$176.45

$146.30

$134.91

$111.58

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

25 A

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers 0.1-0.16A Motor Protector

MA016UM
Altech
1: $280.15
Non-Stocked

Mfr. Part #
MA016UM

Mouser Part #
845-MA016UM

Altech

Circuit Breakers 0.1-0.16A Motor Protector

Learn More

Datasheet

Non-Stocked

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

16 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MA025UM, 0.16-0.25A, 3p

MA025UM
Altech
1: $280.15
Non-Stocked

Mfr. Part #
MA025UM

Mouser Part #
845-MA025UM

Altech

Circuit Breakers MA025UM, 0.16-0.25A, 3p

Learn More

Datasheet

Non-Stocked

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

25 A

Handle

Circuit Breakers MA040UM, 0.25-0.40A, 3p

MA040UM
Altech
1: $280.15
Non-Stocked

Mfr. Part #
MA040UM

Mouser Part #
845-MA040UM

Altech

Circuit Breakers MA040UM, 0.25-0.40A, 3p

Learn More

Datasheet

Non-Stocked

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

40 A

Handle

Circuit Breakers MA063UM, 0.40-0.63A, 3p

MA063UM
Altech
1: $280.15
Non-Stocked

Mfr. Part #
MA063UM

Mouser Part #
845-MA063UM

Altech

Circuit Breakers MA063UM, 0.40-0.63A, 3p

Learn More

Datasheet

Non-Stocked

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

63 A

Handle

Circuit Breakers MA6.3UM, 4.0-6.3A, 3p

MA6.3UM
Altech
1: $280.15
Non-Stocked

Mfr. Part #
MA6.3UM

Mouser Part #
845-MA63UM

Altech

Circuit Breakers MA6.3UM, 4.0-6.3A, 3p

Learn More

Datasheet

Non-Stocked

$280.15

$232.31

$216.48

$178.27

$165.55

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

6.3 A

Handle

Circuit Breakers 0.1-0.16A Motor Protector

15.901U
Altech
1: $160.65
Non-Stocked

Mfr. Part #
15.901U

Mouser Part #
845-15.901

Altech

Circuit Breakers 0.1-0.16A Motor Protector

Learn More

Datasheet

Non-Stocked

$160.65

$137.40

$126.16

$119.99

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

160 mA

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

MA Series Circuit Breakers

Mouser Electronics®

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