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Circuit Breakers

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Part #

Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508

3C10UM
Altech
1: Rp1.160.935
32In Stock

Mfr. Part No.
3C10UM

Mouser Part No
845-3C10UM

Altech

Circuit Breakers 10A MCB CCHAR 3 PL 480Y/277VAC UL508

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Datasheet

32In Stock

Rp1.160.935

Rp1.133.966

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

10 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508

1B3UM
Altech
1: Rp626.332
1In Stock

Mfr. Part No.
1B3UM

Mouser Part No
845-1B3UM

Altech

Circuit Breakers 1BU3A MCB B CHar 1 pl 277V UL 508

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Datasheet

1In Stock

Rp626.332

Rp436.451

Rp412.235

Rp395.356

View

Min.: 1
Mult.: 1

3 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B6UR
Altech
1: Rp327.476
1In Stock

Mfr. Part No.
1B6UR

Mouser Part No
845-1B6UR

Altech

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

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Datasheet

1In Stock

Rp327.476

Rp311.332

Rp297.205

Rp286.931

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3D3UL
Altech
1: Rp2.462.217
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

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

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Datasheet

1In Stock

Rp2.462.217

Rp2.041.726

Rp1.902.480

Rp1.566.748

Rp1.454.838

Min.: 1
Mult.: 1

3 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

3E5UM
Altech
1: Rp1.803.779
2In Stock

Mfr. Part No.
3E5UM

Mouser Part No
845-3E5UM

Altech

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

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Datasheet

2In Stock

Rp1.803.779

Rp1.508.959

Rp1.429.704

Rp1.191.389

Rp1.111.951

Min.: 1
Mult.: 1

5 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers Equipment breaker

TR11-C-Y-63-B-0-C-6.5A
Altech
1: Rp159.977
3In Stock
20Expected 07/08/2026

Mfr. Part No.
TR11-C-Y-63-B-0-C-6.5A

Mouser Part No
845-TR11-CY63B0C6.5A

Altech

Circuit Breakers Equipment breaker

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Datasheet

3In Stock

20Expected 07/08/2026

Rp159.977

Rp157.959

Rp134.109

Rp110.993

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

6.5 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11sup.prot.,wingW,bl.

TR11-W-Y-63-B-0-N-12.0A
Altech
1: Rp113.929
5In Stock

Mfr. Part No.
TR11-W-Y-63-B-0-N-12.0A

Mouser Part No
845-TR11WY63B0N12.0A

Altech

Circuit Breakers TR11sup.prot.,wingW,bl.

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Datasheet

5In Stock

Rp113.929

Rp109.709

Rp91.547

Rp89.162

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

12 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-2.7A
Altech
1: Rp121.451
10In Stock

Mfr. Part No.
TR11-C-X-63-B-0-C-2.7A

Mouser Part No
845-TR11CX63B0C27A

Altech

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

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Datasheet

10In Stock

Rp121.451

Rp101.270

Rp100.353

Rp96.683

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

2.7 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TR11 sup.protector,wing clip,

TR11-W-Y-63-W-0-N-10.0A
Altech
1: Rp113.929
8In Stock

Mfr. Part No.
TR11-W-Y-63-W-0-N-10.0A

Mouser Part No
845-TR11WY63W0N100A

Altech

Circuit Breakers TR11 sup.protector,wing clip,

Learn More

Datasheet

8In Stock

Rp113.929

Rp91.547

Rp89.162

Rp86.410

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

10 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489

3D15UL
Altech
1: Rp1.738.100
11In Stock

Mfr. Part No.
3D15UL

Mouser Part No
845-3D15UL

Altech

Circuit Breakers 15A, D CHAR, 3POLE 480Y/277VAC,UL489

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Datasheet

11In Stock

Rp1.738.100

Rp1.703.243

Rp1.657.928

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

15 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489

2C5UL
Altech
1: Rp1.130.114
14In Stock

Mfr. Part No.
2C5UL

Mouser Part No
845-2C5UL

Altech

Circuit Breakers 5A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

14In Stock

Rp1.130.114

Rp1.101.677

Rp1.042.603

Rp1.037.466

Min.: 1
Mult.: 1

5 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

3D1UM
Altech
1: Rp1.803.779
7In Stock

Mfr. Part No.
3D1UM

Mouser Part No
845-3D1UM

Altech

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

Learn More

Datasheet

7In Stock

Rp1.803.779

Rp1.508.959

Rp1.429.704

Rp1.191.389

Rp1.111.951

Min.: 1
Mult.: 1

Circuit Breakers

D-Trip

1 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A Z Characteristic UL 508 1 POLE

1Z32UM
Altech
1: Rp1.125.527
12In Stock

Mfr. Part No.
1Z32UM

Mouser Part No
845-1Z32UM

Altech

Circuit Breakers 32A Z Characteristic UL 508 1 POLE

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Datasheet

12In Stock

Rp1.125.527

Rp933.811

Rp861.345

Rp712.926

View

Min.: 1
Mult.: 1

32 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

TR11-C-X-63-B-0-N-2.2A
Altech
1: Rp158.143
15In Stock
New At Mouser

Mfr. Part No.
TR11-C-X-63-B-0-N-2.2A

Mouser Part No
845-TR11-C-X-63-B-0

New At Mouser

Altech

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

Datasheet

15In Stock

Rp158.143

Rp147.685

Rp142.915

Rp109.893

View

Min.: 1
Mult.: 1

Circuit Breakers

Thermal

2.2 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508

3C6UM
Altech
1: Rp1.803.779
1In Stock

Mfr. Part No.
3C6UM

Mouser Part No
845-3C6UM

Altech

Circuit Breakers 6A MCB CCHARL 480Y/277VAC UL508

Learn More

Datasheet

1In Stock

Rp1.803.779

Rp1.508.959

Rp1.429.704

Rp1.191.389

Rp1.111.951

Min.: 1
Mult.: 1

6 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

TR11-C-Y-63-B-0-C-12.0A
Altech
1: Rp109.709
2In Stock

Mfr. Part No.
TR11-C-Y-63-B-0-C-12.0A

Mouser Part No
845-TR11CY63B0C120A

Altech

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

Learn More

Datasheet

2In Stock

Rp109.709

Rp91.547

Rp90.996

Rp87.327

View

Min.: 1
Mult.: 1

TR11

Circuit Breakers

Supplementary Protector

12 A

240 VAC

50 VDC

1 Pole

Pushbutton

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508

1G3.5UM
Altech
1: Rp672.197
3In Stock

Mfr. Part No.
1G3.5UM

Mouser Part No
845-1G3.5UM

Altech

Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508

Learn More

Datasheet

3In Stock

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers

G-Trip

3.5 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077

3B20UR
Altech
1: Rp1.390.076
3In Stock

Mfr. Part No.
3B20UR

Mouser Part No
845-3B20UR

Altech

Circuit Breakers 20A,MCB B CHAR 3PL 480Y/277VAC, UL1077

Learn More

Datasheet

3In Stock

Rp1.390.076

Rp1.153.230

Rp1.072.507

Rp893.634

View

Min.: 1
Mult.: 1

Circuit Breakers

B-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

1C10UL
Altech
1: Rp615.141
135In Stock

Mfr. Part No.
1C10UL

Mouser Part No
845-1C10UL

Altech

Circuit Breakers 10A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

135In Stock

Rp615.141

Rp590.741

Rp551.664

Rp539.923

View

Min.: 1
Mult.: 1

10 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

1C3UL
Altech
1: Rp615.141
166In Stock

Mfr. Part No.
1C3UL

Mouser Part No
845-1C3UL

Altech

Circuit Breakers 3A, C CHAR, 1POLE 277VAC, UL489

Learn More

Datasheet

166In Stock

Rp615.141

Rp596.979

Rp559.736

Rp517.908

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

3 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

2C12UL
Altech
1: Rp1.511.160
66In Stock

Mfr. Part No.
2C12UL

Mouser Part No
845-2C12UL

Altech

Circuit Breakers 12A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

66In Stock

Rp1.511.160

Rp1.339.258

Rp1.276.882

Rp1.254.866

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C20UL
Altech
1: Rp1.826.161
19In Stock
16Expected 31/08/2026

Mfr. Part No.
3C20UL

Mouser Part No
845-3C20UL

Altech

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

Learn More

Datasheet

19In Stock

16Expected 31/08/2026

Rp1.826.161

Rp1.825.060

Rp1.766.169

Rp1.704.894

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers Earth Leakage CB 40A, 30mA, 4p

09134911
Altech
1: Rp5.107.710
2In Stock

Mfr. Part No.
09134911

Mouser Part No
845-09134911

Altech

Circuit Breakers Earth Leakage CB 40A, 30mA, 4p

Datasheet

2In Stock

Rp5.107.710

Rp4.233.340

Rp3.902.378

Rp3.223.943

Min.: 1
Mult.: 1

DFS

Circuit Breakers

Earth Leakage

40 A

230 VAC

4 Pole

Handle

- 25 C

+ 40 C

Non-Illuminated

Circuit Breakers Earth Leakage CB 63A, 30mA, 4p

09144911
Altech
1: Rp7.994.820
2In Stock

Mfr. Part No.
09144911

Mouser Part No
845-09144911

Altech

Circuit Breakers Earth Leakage CB 63A, 30mA, 4p

2In Stock

Rp7.994.820

Rp6.622.906

Rp6.103.714

Min.: 1
Mult.: 1

DFS

Circuit Breakers

63 A

230 VAC

4 Pole

Circuit Breakers 10A MCB B Char 1pl 277VAC UL508

1B10UM
Altech
1: Rp672.197
4In Stock

Mfr. Part No.
1B10UM

Mouser Part No
845-1B10UM

Altech

Circuit Breakers 10A MCB B Char 1pl 277VAC UL508

Learn More

Datasheet

4In Stock

Rp672.197

Rp557.535

Rp514.422

Rp426.178

View

Min.: 1
Mult.: 1

Circuit Breakers

B-Trip

10 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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