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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: $278.33
2In Stock

Mfr. Part #
MA10UM

Mouser Part #
845-MA10UM

Altech

Circuit Breakers MA10UM, 6.3-10A, 3p

Learn More

Datasheet

2In Stock

$278.33

$230.79

$215.07

$177.11

$164.47

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: $335.73
1In Stock

Mfr. Part #
MA25UM

Mouser Part #
845-MA25UM

Altech

Circuit Breakers Motor Protector

Learn More

Datasheet

1In Stock

$335.73

$278.39

$259.42

$213.64

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: $278.33
1Factory Stock Available

Mfr. Part #
MA1.0UM

Mouser Part #
845-MA1.0UM

Altech

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

Learn More

Datasheet

1Factory Stock Available

More Info Available

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

1 A

Handle

Circuit Breakers MANUAL MOTOR CONTR 1.6A CIRCUIT BREAKER

MA1.6UM
Altech
1: $278.33
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

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

1.6 A

Handle

Circuit Breakers MA16UM, 10-16A, 3p

MA16UM
Altech
1: $304.59
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

$304.59

$252.57

$235.35

$193.83

$179.98

Min.: 1
Mult.: 1

16 A

Handle

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

MA2.5UM
Altech
1: $208.59
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

$208.59

$198.48

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

2.5 A

Handle

Circuit Breakers CIRCUIT BREAKER 20A

MA20UM
Altech
1: $314.82
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

$314.82

$261.05

$243.25

$200.34

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: $344.25
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

$344.25

$285.33

$263.02

$217.30

Min.: 1
Mult.: 1

32 A

Handle

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

MA4.0UM
Altech
1: $278.33
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

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

4 A

Handle

Circuit Breakers MA40UM, 32-40A, 3p

MA40UM
Altech
1: $382.99
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

$382.99

$317.43

$292.60

$241.74

Min.: 1
Mult.: 1

40 A

Handle

Circuit Breakers 0.1-0.16A Motor Protector

15.901U
Altech
1: $159.61
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

$159.61

$136.50

$125.34

$119.21

View

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

160 mA

277 VAC

3 Pole

Handle

0 C

+ 25 C

Non-Illuminated

Circuit Breakers 0.16-0.25A Motor Protector

15.902
Altech
1: $158.14
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

$158.14

$133.56

$122.85

$116.08

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: $148.23
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

$148.23

$124.00

$117.49

$97.91

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: $148.23
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

$148.23

$124.00

$117.49

$97.91

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: $148.23
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

$148.23

$124.00

$117.49

$97.91

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: $148.23
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

$148.23

$124.00

$117.49

$97.91

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: $148.23
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

$148.23

$124.00

$117.49

$97.91

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: $160.74
Non-Stocked

Mfr. Part #
15.911

Mouser Part #
845-15.911

Altech

Circuit Breakers MA 10.0-16.0A

Learn More

Datasheet

Non-Stocked

$160.74

$135.69

$128.57

$107.15

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: $166.15
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

$166.15

$140.27

$132.89

$110.75

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: $175.30
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

$175.30

$145.35

$134.03

$110.85

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: $278.33
Non-Stocked

Mfr. Part #
MA016UM

Mouser Part #
845-MA016UM

Altech

Circuit Breakers 0.1-0.16A Motor Protector

Learn More

Datasheet

Non-Stocked

$278.33

$230.79

$215.07

$177.11

$164.47

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: $278.33
Non-Stocked

Mfr. Part #
MA025UM

Mouser Part #
845-MA025UM

Altech

Circuit Breakers MA025UM, 0.16-0.25A, 3p

Learn More

Datasheet

Non-Stocked

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

25 A

Handle

Circuit Breakers MA040UM, 0.25-0.40A, 3p

MA040UM
Altech
1: $278.33
Non-Stocked

Mfr. Part #
MA040UM

Mouser Part #
845-MA040UM

Altech

Circuit Breakers MA040UM, 0.25-0.40A, 3p

Learn More

Datasheet

Non-Stocked

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

40 A

Handle

Circuit Breakers MA063UM, 0.40-0.63A, 3p

MA063UM
Altech
1: $278.33
Non-Stocked

Mfr. Part #
MA063UM

Mouser Part #
845-MA063UM

Altech

Circuit Breakers MA063UM, 0.40-0.63A, 3p

Learn More

Datasheet

Non-Stocked

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

63 A

Handle

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

MA6.3UM
Altech
1: $278.33
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

$278.33

$230.79

$215.07

$177.11

$164.47

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

6.3 A

Handle

MA Series Circuit Breakers

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