.hide-partial { max-height: none; } .show-more { display: none; }

Altech Circuit Breakers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1.161

Applied Filters:

Manufacturer = Altech

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator Type

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

3D1UM
Altech
1: 84,56 €
7In Stock

Mfr. Part No.
3D1UM

Mouser Part No
845-3D1UM

Altech

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

Learn More

Datasheet

7In Stock

84,56 €

70,74 €

67,02 €

55,85 €

52,12 €

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

1 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2A D Characteristic UL 508 3 POLE

3D2UM
Altech
1: 84,56 €
2In Stock

Mfr. Part No.
3D2UM

Mouser Part No
845-3D2UM

Altech

Circuit Breakers 2A D Characteristic UL 508 3 POLE

Learn More

Datasheet

2In Stock

84,56 €

70,74 €

67,02 €

55,85 €

52,12 €

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

2 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A, D CHAR, 3POLE 480Y/277VAC,UL489

3D30UL
Altech
1: 115,42 €
2In Stock

Mfr. Part No.
3D30UL

Mouser Part No
845-3D30UL

Altech

Circuit Breakers 30A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

2In Stock

115,42 €

95,71 €

89,18 €

73,44 €

68,20 €

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

30 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 30A D Characteristic UL 508 3 POLE

3D30UM
Altech
1: 84,56 €
11In Stock

Mfr. Part No.
3D30UM

Mouser Part No
845-3D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 3 POLE

Learn More

Datasheet

11In Stock

84,56 €

70,74 €

67,02 €

55,85 €

52,12 €

Min.: 1
Mult.: 1

30 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

3D3UL
Altech
1: 115,42 €
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

1In Stock

115,42 €

95,71 €

89,18 €

73,44 €

68,20 €

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

3E20UM
Altech
1: 82,41 €
4In Stock

Mfr. Part No.
3E20UM

Mouser Part No
845-3E20UM

Altech

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

Learn More

Datasheet

4In Stock

82,41 €

61,39 €

59,74 €

55,38 €

View

Min.: 1
Mult.: 1

Circuit Breaker

E-Trip

20 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers MA10UM, 6.3-10A, 3p

MA10UM
Altech
1: 156,96 €
2In Stock

Mfr. Part No.
MA10UM

Mouser Part No
845-MA10UM

Altech

Circuit Breakers MA10UM, 6.3-10A, 3p

Learn More

Datasheet

2In Stock

156,96 €

130,15 €

121,29 €

99,88 €

92,75 €

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: 189,33 €
1In Stock

Mfr. Part No.
MA25UM

Mouser Part No
845-MA25UM

Altech

Circuit Breakers Motor Protector

Learn More

Datasheet

1In Stock

189,33 €

156,99 €

146,29 €

120,48 €

111,88 €

Min.: 1
Mult.: 1

Circuit Breaker

Adjustable Trip

25 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

TR11-D-X-63-BB-2-N-10.0A
Altech
1: 5,34 €
1In Stock

Mfr. Part No.
TR11-D-X-63-BB-2-N-10.0A

Mouser Part No
845-R11DX63BB2N10.0A

Altech

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

Learn More

Datasheet

1In Stock

5,34 €

4,29 €

4,21 €

4,07 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

10 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-1-C-1.75A
Altech
1: 6,56 €
7In Stock

Mfr. Part No.
TR11-C-X-63-B-1-C-1.75A

Mouser Part No
845-TR11C63B1C1.75A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

7In Stock

6,56 €

6,00 €

5,01 €

4,87 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

TR11-C-X-48-B-0-C-1.5A
Altech
1: 7,46 €
7In Stock

Mfr. Part No.
TR11-C-X-48-B-0-C-1.5A

Mouser Part No
845-TR11CX48B-0-C15A

Altech

Circuit Breakers

Datasheet

7In Stock

7,46 €

6,34 €

6,03 €

5,81 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

1.5 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11 sup. prot.,cent.mou.,black

TR11-C-X-63-B-0-C-2.5A
Altech
1: 5,69 €
7In Stock

Mfr. Part No.
TR11-C-X-63-B-0-C-2.5A

Mouser Part No
845-TR11CX63B0C25A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,black

Learn More

Datasheet

7In Stock

5,69 €

4,75 €

4,70 €

4,53 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

2.5 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-C-6.0A
Altech
1: 5,14 €
10In Stock

Mfr. Part No.
TR11-C-X-63-B-0-C-6.0A

Mouser Part No
845-TR11CX63B0C60A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

10In Stock

5,14 €

4,29 €

4,27 €

4,09 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

6 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

TR11-D-X-63-BB-2-N-0.5A
Altech
1: 6,14 €
6In Stock

Mfr. Part No.
TR11-D-X-63-BB-2-N-0.5A

Mouser Part No
845-TR11DX63BB2N05A

Altech

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

Learn More

Datasheet

6In Stock

6,14 €

5,69 €

4,75 €

4,65 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

500 mA

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

TR11-D-X-63-BB-2-N-3.0A
Altech
1: 5,69 €
8In Stock

Mfr. Part No.
TR11-D-X-63-BB-2-N-3.0A

Mouser Part No
845-TR11DX63BB2N30A

Altech

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

Learn More

Datasheet

8In Stock

5,69 €

4,75 €

4,70 €

4,53 €

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

TR11-D-Y-63-BB-2-N-10.0A
Altech
1: 5,34 €
3In Stock

Mfr. Part No.
TR11-D-Y-63-BB-2-N-10.0A

Mouser Part No
845-TR11DY63BB2N100A

Altech

Circuit Breakers TR11sup.prot.,wingD,bl.slid.w/

Learn More

Datasheet

3In Stock

5,34 €

4,29 €

4,28 €

4,12 €

4,03 €

Min.: 1
Mult.: 1

TR11

Circuit Breakers factory currently not accepting orders

1D1.6DL
Altech
1: 45,25 €
13In Stock
Verify Status with Factory

Mfr. Part No.
1D1.6DL

Mouser Part No
845-1D1.6DL

Verify Status with Factory

Altech

Circuit Breakers factory currently not accepting orders

Learn More

Datasheet

Product Comments

13In Stock

45,25 €

37,54 €

34,63 €

29,79 €

View

Min.: 1
Mult.: 1

Circuit Breaker

D-Trip

1.6 A

125 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489

2C10UL
Altech
1: 56,42 €
44Expected 25/05/2026

Mfr. Part No.
2C10UL

Mouser Part No
845-2C10UL

Altech

Circuit Breakers 10A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

44Expected 25/05/2026

56,42 €

55,57 €

55,21 €

55,07 €

View

Min.: 1
Mult.: 1

10 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489

3C20UL
Altech
1: 85,60 €
31On Order

Mfr. Part No.
3C20UL

Mouser Part No
845-3C20UL

Altech

Circuit Breakers 20A, C CHAR, 3POLE 480Y/277VAC,UL489

Learn More

Datasheet

31On Order

85,60 €

85,55 €

82,79 €

79,92 €

View

Min.: 1
Mult.: 1

Circuit Breaker

C-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077

1B6UR
Altech
1: 15,35 €
1On Order

Mfr. Part No.
1B6UR

Mouser Part No
845-1B6UR

Altech

Circuit Breakers 6A,MCB B CHAR 1 PL, 277VAC, UL1077

Learn More

Datasheet

1On Order

15,35 €

14,59 €

13,93 €

13,45 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 6A G Characteristic UL 508 1 POLE

1G6UM
Altech
1: 20,22 €
10Expected 18/02/2026

Mfr. Part No.
1G6UM

Mouser Part No
845-1G6UM

Altech

Circuit Breakers 6A G Characteristic UL 508 1 POLE

Learn More

Datasheet

10Expected 18/02/2026

20,22 €

19,37 €

19,22 €

19,01 €

View

Min.: 1
Mult.: 1

6 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1A, C CHAR, 2POLE 480Y/277VAC,UL489

2C1UL
Altech
1: 79,43 €
5Expected 03/03/2026

Mfr. Part No.
2C1UL

Mouser Part No
845-2C1UL

Altech

Circuit Breakers 1A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

5Expected 03/03/2026

79,43 €

66,44 €

62,95 €

52,46 €

48,96 €

Min.: 1
Mult.: 1

1 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508

3C4UM
Altech
1: 84,56 €
10Expected 22/06/2026

Mfr. Part No.
3C4UM

Mouser Part No
845-3C4UM

Altech

Circuit Breakers 4A MCB CCHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

10Expected 22/06/2026

84,56 €

70,74 €

67,02 €

55,85 €

52,12 €

Min.: 1
Mult.: 1

4 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-C-5.0A
Altech
1: 4,75 €
10Expected 17/02/2026

Mfr. Part No.
TR11-C-X-63-B-0-C-5.0A

Mouser Part No
845-TR11CX63B0C50A

Altech

Circuit Breakers TR11 sup. prot.,cent.mou.,bl.

Learn More

Datasheet

10Expected 17/02/2026

4,75 €

4,70 €

4,53 €

4,45 €

4,43 €

Min.: 1
Mult.: 1

TR11

Circuit Breaker

Supplementary Protector

5 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

1C03UL
Altech
1: 34,00 €
1Expected 11/03/2026

Mfr. Part No.
1C03UL

Mouser Part No
845-1C03UL

Altech

Circuit Breakers 1C03UL, 0.3A, CIRCUIT BREAKER

Learn More

Datasheet

1Expected 11/03/2026

34,00 €

30,35 €

28,86 €

28,84 €

Min.: 1
Mult.: 1

300 mA

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Altech Circuit Breakers

Customer Service Office

Company

Resources

Support

4D
4E
15
18
1B
1C
1G
2BN
2C
2DN
2G
3C
3G
4B
4C
4CN
4DN
AS3
DFS
FI

160 mA
200 mA
250 mA
300 mA
400 mA
500 mA
630 mA
750 mA
800 mA
1 A
1.5 A
1.6 A
2 A
2.2 A
2.5 A
2.7 A
3 A
3.5 A
4 A
5 A