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

SIRIUS Circuit Breakers

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

Results: 7,728

Applied Filters:

Tradename = SIRIUS

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Minimum Operating Temperature

Maximum Operating Temperature

Illuminated

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 BRKR 3VA52 3P 250A 35KA FTFM

3VA52255ED310AA0
Siemens
1: ¥445,285.9
1In Stock

Mfr. Part #
3VA52255ED310AA0

Mouser Part #
982-3VA52255ED310AA0

Siemens

Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM

Learn More

Datasheet

1In Stock

¥445,285.9

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

250 A

690 VAC

750 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MCSW 3VA53 3P 400A 65KA

3VA53400BB310AA0
Siemens
1: ¥495,551
1In Stock

Mfr. Part #
3VA53400BB310AA0

Mouser Part #
982-3VA53400BB310AA0

Siemens

Circuit Breakers MCSW 3VA53 3P 400A 65KA

Learn More

Datasheet

1In Stock

¥495,551

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

400 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA53 3P 350A 35KA FTAM

3VA53355EC310AA0
Siemens
1: ¥584,564
1In Stock

Mfr. Part #
3VA53355EC310AA0

Mouser Part #
982-3VA53355EC310AA0

Siemens

Circuit Breakers BRKR 3VA53 3P 350A 35KA FTAM

Learn More

Datasheet

1In Stock

¥584,564

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

350 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM

3VA51404ED310AA0
Siemens
1: ¥114,803.3
5In Stock

Mfr. Part #
3VA51404ED310AA0

Mouser Part #
982-3VA51404ED310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM

Learn More

Datasheet

5In Stock

¥114,803.3

¥109,132.7

¥106,702.6

View

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

40 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MSP S2 CLASS 10 42-52A SCREW

3RV20314WA10
Siemens
1: ¥106,583
7In Stock

Mfr. Part #
3RV20314WA10

Mouser Part #
982-3RV20314WA10

Siemens

Circuit Breakers MSP S2 CLASS 10 42-52A SCREW

Learn More

Datasheet

7In Stock

¥106,583

¥91,798.5

¥83,329

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

52 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW

3RV24111HA10
Siemens
1: ¥43,111.3
9In Stock

Mfr. Part #
3RV24111HA10

Mouser Part #
982-3RV24111HA10

Siemens

Circuit Breakers MSP S00 FOR XFRMR 5.5-8A SCREW

Learn More

Datasheet

9In Stock

¥43,111.3

¥41,837.3

¥38,751.1

¥31,961

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Transformer Protection

8 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers TMCB UL489 S00 3.2A SCREW

3RV27111DD10
Siemens
1: ¥92,643.9
5In Stock

Mfr. Part #
3RV27111DD10

Mouser Part #
982-3RV27111DD10

Siemens

Circuit Breakers TMCB UL489 S00 3.2A SCREW

Learn More

Datasheet

5In Stock

¥92,643.9

¥77,517.2

¥71,457.9

Quote

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

System Protection

3.2 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S00 1.1-1.6A SCREW

3RV20111AA10
Siemens
1: ¥44,871.9
16In Stock

Mfr. Part #
3RV20111AA10

Mouser Part #
982-3RV20111AA10

Siemens

Circuit Breakers MSP S00 1.1-1.6A SCREW

Learn More

Datasheet

16In Stock

¥44,871.9

¥37,746.2

¥33,982.4

¥28,750.2

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

1.6 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S0 20-25A SCREW

3RV20214DA10
Siemens
1: ¥65,649.4
7In Stock

Mfr. Part #
3RV20214DA10

Mouser Part #
982-3RV20214DA10

Siemens

Circuit Breakers MSP S0 20-25A SCREW

Learn More

Datasheet

7In Stock

¥65,649.4

¥54,934.3

¥50,834.9

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

25 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers Circuit breaker UL489 45 A

3RV27425HD10
Siemens
1: ¥256,835.4
1In Stock

Mfr. Part #
3RV27425HD10

Mouser Part #
982-3RV27425HD10

Siemens

Circuit Breakers Circuit breaker UL489 45 A

Learn More

Datasheet

1In Stock

¥256,835.4

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

System Protection

45 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A

3RV20111GA150BA0
Siemens
1: ¥71,521
2In Stock

Mfr. Part #
3RV20111GA150BA0

Mouser Part #
982-3RV20111GA150BA0

Siemens

Circuit Breakers SPECIAL TYPE MOT. START. PROT 6.3A

Learn More

Datasheet

2In Stock

¥71,521

¥58,369.2

¥56,512.2

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

6.3 A

690 VAC

3 Pole

- 50 C

+ 60 C

Non-Illuminated

Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX

3VA11633GF460AA0
Siemens
1: ¥124,493.6
2In Stock

Mfr. Part #
3VA11633GF460AA0

Mouser Part #
982-3VA11633GF460AA0

Siemens

Circuit Breakers BRKR 3VA11 4P 63A 25KA ATAM100NTRL BOX

Learn More

Datasheet

2In Stock

¥124,493.6

¥119,419.3

¥116,738.4

View

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

63 A

690 VAC

600 VDC

4 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MCSW 3VA51 3P 100A 65KA

3VA51101BB310AA0
Siemens
1: ¥129,122.8
1In Stock

Mfr. Part #
3VA51101BB310AA0

Mouser Part #
982-3VA51101BB310AA0

Siemens

Circuit Breakers MCSW 3VA51 3P 100A 65KA

Learn More

Datasheet

1In Stock

¥129,122.8

¥119,900.9

¥117,213.4

View

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

100 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MSP S00 7-10A SCREW, -50 C RATED

3RV20111JA100BA0
Siemens
1: ¥66,958.2
1In Stock

Mfr. Part #
3RV20111JA100BA0

Mouser Part #
982-3RV20111JA100BA0

Siemens

Circuit Breakers MSP S00 7-10A SCREW, -50 C RATED

Learn More

Datasheet

1In Stock

¥66,958.2

¥59,166.5

¥57,440.7

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

10 A

690 VAC

3 Pole

- 50 C

+ 60 C

Non-Illuminated

Circuit Breakers MCSW 3VA11 3P 100A BOX

3VA11101AA360AA0
Siemens
1: ¥111,459.7
1In Stock

Mfr. Part #
3VA11101AA360AA0

Mouser Part #
982-3VA11101AA360AA0

Siemens

Circuit Breakers MCSW 3VA11 3P 100A BOX

Learn More

Datasheet

1In Stock

¥111,459.7

¥94,997.6

¥92,869.8

View

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Switch Disconnector

100 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA51 3P 20A 65KA FTAM

3VA51206EC310AA0
Siemens
1: ¥159,276.6
1In Stock

Mfr. Part #
3VA51206EC310AA0

Mouser Part #
982-3VA51206EC310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 20A 65KA FTAM

Learn More

Datasheet

1In Stock

¥159,276.6

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

20 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA11 1P 80A 25KA FTFM BOX

3VA11803ED160AA0
Siemens
1: ¥53,955.9
1In Stock

Mfr. Part #
3VA11803ED160AA0

Mouser Part #
982-3VA11803ED160AA0

Siemens

Circuit Breakers BRKR 3VA11 1P 80A 25KA FTFM BOX

Learn More

Datasheet

1In Stock

¥53,955.9

¥47,272.1

¥45,607.7

View

Min.: 1
Mult.: 1

3VA

Circuit Breakers

Line Protection

80 A

415 VAC

125 VDC

1 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA51 3P 100A 25KA ATAM

3VA51104EF310AA0
Siemens
1: ¥145,490.3
1In Stock

Mfr. Part #
3VA51104EF310AA0

Mouser Part #
982-3VA51104EF310AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 100A 25KA ATAM

Learn More

Datasheet

1In Stock

¥145,490.3

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

100 A

690 VAC

500 VDC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers BRKR 3VA51 2P 40A 25KA FTFM NUT

3VA51404ED220AA0
Siemens
1: ¥123,083.4
1In Stock

Mfr. Part #
3VA51404ED220AA0

Mouser Part #
982-3VA51404ED220AA0

Siemens

Circuit Breakers BRKR 3VA51 2P 40A 25KA FTFM NUT

Learn More

Datasheet

1In Stock

¥123,083.4

¥114,466.2

¥111,911.5

View

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

40 A

415 VAC

250 VDC

2 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MSP S00 FOR XFRMR 1.4-2A AUX 1NO+1NC

3RV24111BA15
Siemens
1: ¥58,284.5
1In Stock

Mfr. Part #
3RV24111BA15

Mouser Part #
982-3RV24111BA15

Siemens

Circuit Breakers MSP S00 FOR XFRMR 1.4-2A AUX 1NO+1NC

Learn More

Datasheet

1In Stock

¥58,284.5

¥51,507.6

¥49,864.9

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Transformer Protection

2 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers BRKR 3VA51 3P 20A 65KA FTFM NAV

3VA51206ED311AA0
Siemens
1: ¥162,346.1
1In Stock

Mfr. Part #
3VA51206ED311AA0

Mouser Part #
982-3VA51206ED311AA0

Siemens

Circuit Breakers BRKR 3VA51 3P 20A 65KA FTFM NAV

Learn More

Datasheet

1In Stock

¥162,346.1

Min.: 1
Mult.: 1

3VA

Thermal Magnetic Circuit Breakers

System Protection

20 A

690 VAC

3 Pole

- 25 C

+ 70 C

Non-Illuminated

Circuit Breakers MSP S0 4.5 - 6.3A SCREW

3RV20211GA10
Siemens
1: ¥48,195.6
6In Stock

Mfr. Part #
3RV20211GA10

Mouser Part #
982-3RV20211GA10

Siemens

Circuit Breakers MSP S0 4.5 - 6.3A SCREW

Learn More

Datasheet

6In Stock

¥48,195.6

¥40,802.5

¥36,874.2

¥31,059

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

6.3 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S0 17-22A SCREW

3RV20214CA10
Siemens
1: ¥58,385.8
5In Stock

Mfr. Part #
3RV20214CA10

Mouser Part #
982-3RV20214CA10

Siemens

Circuit Breakers MSP S0 17-22A SCREW

Learn More

Datasheet

5In Stock

¥58,385.8

¥49,494.5

¥45,616

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

22 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S0 20-25A AUX 1NO 1NC SCREW

3RV20214DA15
Siemens
1: ¥75,678.5
3In Stock

Mfr. Part #
3RV20214DA15

Mouser Part #
982-3RV20214DA15

Siemens

Circuit Breakers MSP S0 20-25A AUX 1NO 1NC SCREW

Learn More

Datasheet

3In Stock

¥75,678.5

¥63,327.3

¥59,005.4

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

25 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 1NO/1NC AUX

3RV20314WA15
Siemens
1: ¥112,610.8
3In Stock

Mfr. Part #
3RV20314WA15

Mouser Part #
982-3RV20314WA15

Siemens

Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 1NO/1NC AUX

Learn More

Datasheet

3In Stock

¥112,610.8

¥110,979.7

¥109,136

View

Min.: 1
Mult.: 1

3RV2

Circuit Breakers

Motor Protection

52 A

690 VAC

3 Pole

- 20 C

+ 60 C

Non-Illuminated

160 mA
200 mA
250 mA
320 mA
400 mA
500 mA
550 mA to 800 mA
630 mA
800 mA
1 A
1.1 A to 1.6 A
1.25 A
1.4 A
1.4 A to 2 A
1.6 A
2 A
2.5 A
3 A
3.2 A
4 A