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Circuit Breakers

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Part #

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

3C10UM
Altech
1: ¥12,540.6
32In Stock

Mfr. Part #
3C10UM

Mouser Part #
845-3C10UM

Altech

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

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Datasheet

32In Stock

¥12,540.6

¥11,387.8

¥11,078.9

¥10,877.9

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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 TR11sup.prot.,wingW,bl.

TR11-W-Y-63-B-0-N-12.0A
Altech
1: ¥1,031.5
4In Stock

Mfr. Part #
TR11-W-Y-63-B-0-N-12.0A

Mouser Part #
845-TR11WY63B0N12.0A

Altech

Circuit Breakers TR11sup.prot.,wingW,bl.

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Datasheet

4In Stock

¥1,031.5

¥993.3

¥828.8

¥807.2

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 MOLDED CASE CIRCUIT BREAKER

UTE100N-FTU-25
Altech
1: ¥79,860.9
1In Stock

Mfr. Part #
UTE100N-FTU-25

Mouser Part #
845-UTE100N-FTU-25

Altech

Circuit Breakers MOLDED CASE CIRCUIT BREAKER

1In Stock

¥79,860.9

¥79,859.2

Min.: 1
Mult.: 1

Circuit Breakers

Molded

25 A

Circuit Breakers Equipment breaker

TR11-C-Y-63-B-0-C-6.5A
Altech
1: ¥1,448.4
6In Stock
30Expected 10/13/2026

Mfr. Part #
TR11-C-Y-63-B-0-C-6.5A

Mouser Part #
845-TR11-CY63B0C6.5A

Altech

Circuit Breakers Equipment breaker

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Datasheet

6In Stock

30Expected 10/13/2026

¥1,448.4

¥1,430.1

¥1,214.2

¥1,004.9

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

TR11-C-X-63-B-0-C-2.7A
Altech
1: ¥1,099.6
10In Stock

Mfr. Part #
TR11-C-X-63-B-0-C-2.7A

Mouser Part #
845-TR11CX63B0C27A

Altech

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

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Datasheet

10In Stock

¥1,099.6

¥916.9

¥908.6

¥875.3

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. prot.,cent.mou.,bl.

TR11-C-X-63-B-0-N-2.2A
Altech
1: ¥1,431.8
15In Stock
New At Mouser

Mfr. Part #
TR11-C-X-63-B-0-N-2.2A

Mouser Part #
845-TR11-C-X-63-B-0

New At Mouser

Altech

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

Datasheet

15In Stock

¥1,431.8

¥1,337.1

¥1,293.9

¥994.9

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 3.5A MCB GCHAR 1pl 277VAC UL508

1G3.5UM
Altech
1: ¥5,670.7
3In Stock

Mfr. Part #
1G3.5UM

Mouser Part #
845-1G3.5UM

Altech

Circuit Breakers 3.5A MCB GCHAR 1pl 277VAC UL508

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Datasheet

3In Stock

¥5,670.7

¥3,951.5

¥3,817

¥3,675.8

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

1B6UR
Altech
1: ¥4,228.9
1In Stock

Mfr. Part #
1B6UR

Mouser Part #
845-1B6UR

Altech

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

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Datasheet

1In Stock

¥4,228.9

¥2,964.9

¥2,878.5

¥2,762.2

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 32A Z Characteristic UL 508 1 POLE

1Z32UM
Altech
1: ¥9,775
12In Stock

Mfr. Part #
1Z32UM

Mouser Part #
845-1Z32UM

Altech

Circuit Breakers 32A Z Characteristic UL 508 1 POLE

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Datasheet

12In Stock

¥9,775

¥8,454.5

¥7,798.4

¥6,615.8

View

Min.: 1
Mult.: 1

32 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3C6UM
Altech
1: ¥15,915.7
1In Stock

Mfr. Part #
3C6UM

Mouser Part #
845-3C6UM

Altech

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

Learn More

Datasheet

1In Stock

¥15,915.7

¥11,856.2

¥11,781.5

¥11,042.3

View

Min.: 1
Mult.: 1

6 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

3E5UM
Altech
1: ¥15,915.7
2In Stock

Mfr. Part #
3E5UM

Mouser Part #
845-3E5UM

Altech

Circuit Breakers 5A CRT BRKR ECHAR 277VAC UL508

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Datasheet

2In Stock

¥15,915.7

¥11,856.2

¥11,781.5

¥11,042.3

View

Min.: 1
Mult.: 1

5 A

277 VAC

80 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1D6UR
Altech
1: ¥4,228.9
3In Stock

Mfr. Part #
1D6UR

Mouser Part #
845-1D6UR

Altech

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

Learn More

Datasheet

3In Stock

¥4,228.9

¥2,964.9

¥2,868.5

¥2,753.9

View

Min.: 1
Mult.: 1

6 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

3B20UR
Altech
1: ¥12,170.1
3In Stock

Mfr. Part #
3B20UR

Mouser Part #
845-3B20UR

Altech

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

Learn More

Datasheet

3In Stock

¥12,170.1

¥8,894.7

¥8,831.5

¥8,251.8

View

Min.: 1
Mult.: 1

Circuit Breakers

B-Trip

20 A

277 VAC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 40A D Characteristic UL 508 1 POLE

1D40UM
Altech
1: ¥6,381.6
11In Stock
1Expected 10/16/2026

Mfr. Part #
1D40UM

Mouser Part #
845-1D40UM

Altech

Circuit Breakers 40A D Characteristic UL 508 1 POLE

Learn More

Datasheet

11In Stock

1Expected 10/16/2026

¥6,381.6

¥5,391.6

¥5,200.6

¥4,091

View

Min.: 1
Mult.: 1

40 A

277 VAC

24 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

1Z13UM
Altech
1: ¥9,775
11In Stock

Mfr. Part #
1Z13UM

Mouser Part #
845-1Z13UM

Altech

Circuit Breakers 13A Z Characteristic UL 508 1 POLE

Learn More

Datasheet

11In Stock

¥9,775

¥8,454.5

¥7,798.4

¥6,220.4

View

Min.: 1
Mult.: 1

Circuit Breakers

Z-Trip

13 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

1B3UM
Altech
1: ¥5,670.7
1In Stock

Mfr. Part #
1B3UM

Mouser Part #
845-1B3UM

Altech

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

Learn More

Datasheet

1In Stock

¥5,670.7

¥3,951.5

¥3,817

¥3,675.8

View

Min.: 1
Mult.: 1

3 A

277 VAC

42 VDC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

3D1UM
Altech
1: ¥15,915.7
7In Stock

Mfr. Part #
3D1UM

Mouser Part #
845-3D1UM

Altech

Circuit Breakers 3D1UM, 1A,CIRCUIT BREAKER

Learn More

Datasheet

7In Stock

¥15,915.7

¥13,661.7

¥11,856.2

¥11,216.7

View

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 2C7UL, 7A, CIRCUIT BREAKER

2C7UL
Altech
1: ¥14,925.7
5In Stock

Mfr. Part #
2C7UL

Mouser Part #
845-2C7UL

Altech

Circuit Breakers 2C7UL, 7A, CIRCUIT BREAKER

5In Stock

¥14,925.7

¥12,832.9

¥11,137

¥11,105.4

View

Min.: 1
Mult.: 1

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

1C10UL
Altech
1: ¥5,569.3
50In Stock
52Expected 9/11/2026

Mfr. Part #
1C10UL

Mouser Part #
845-1C10UL

Altech

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

Learn More

Datasheet

50In Stock

52Expected 9/11/2026

¥5,569.3

¥5,348.4

¥5,290.3

¥4,891.6

View

Min.: 1
Mult.: 1

10 A

277 VAC

1 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

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

2C12UL
Altech
1: ¥14,216.5
32In Stock

Mfr. Part #
2C12UL

Mouser Part #
845-2C12UL

Altech

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

Learn More

Datasheet

32In Stock

¥14,216.5

¥12,450.9

¥11,766.5

¥10,439.4

View

Min.: 1
Mult.: 1

Circuit Breakers

C-Trip

12 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489

2C4UL
Altech
1: ¥14,925.7
26In Stock

Mfr. Part #
2C4UL

Mouser Part #
845-2C4UL

Altech

Circuit Breakers 4A, C CHAR, 2POLE 480Y/277VAC,UL489

Learn More

Datasheet

26In Stock

¥14,925.7

¥12,832.9

¥12,158.5

¥10,701.8

View

Min.: 1
Mult.: 1

4 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 20A MCB B CHAR 3 PL 480Y/277VAC UL508

3B20UM
Altech
1: ¥15,915.7
32In Stock

Mfr. Part #
3B20UM

Mouser Part #
845-3B20UM

Altech

Circuit Breakers 20A MCB B CHAR 3 PL 480Y/277VAC UL508

Learn More

Datasheet

32In Stock

¥15,915.7

¥13,661.7

¥12,944.2

¥11,042.3

View

Min.: 1
Mult.: 1

20 A

277 VAC

60 VDC

3 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers 2C60UR, 60A, MCB, C CHAR

2C60UR
Altech
1: ¥9,261.7
1In Stock
1Expected 12/11/2026

Mfr. Part #
2C60UR

Mouser Part #
845-2C60UR

Altech

Circuit Breakers 2C60UR, 60A, MCB, C CHAR

Learn More

Datasheet

1In Stock

1Expected 12/11/2026

¥9,261.7

¥6,858.3

¥6,062.7

¥5,471.3

View

Min.: 1
Mult.: 1

60 A

277 VAC

2 Pole

Handle

- 25 C

+ 55 C

Non-Illuminated

Circuit Breakers Motor Protector

MA25UM
Altech
1: ¥36,566.9
1In Stock

Mfr. Part #
MA25UM

Mouser Part #
845-MA25UM

Altech

Circuit Breakers Motor Protector

Learn More

Datasheet

1In Stock

¥36,566.9

¥30,321.6

¥28,255.3

¥23,268.9

Quote

Min.: 1
Mult.: 1

Circuit Breakers

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: ¥1,031.5
1In Stock

Mfr. Part #
TR11-D-X-63-BB-2-N-10.0A

Mouser Part #
845-R11DX63BB2N10.0A

Altech

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

Learn More

Datasheet

1In Stock

¥1,031.5

¥828.8

¥812.2

¥785.7

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

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