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

S1B Circuit Breakers

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

Results: 494

Applied Filters:

Manufacturer

Series

Product

Type

Current Rating

Voltage Rating AC

Voltage Rating DC

Number of Poles

Actuator

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 SEISMIC LABEL KIT ENCL CIRCUIT BREAKER

S1B54771
Square D
1: €240.32
Non-Stocked
New At Mouser

Mfr. Part No.
S1B54771

Mouser Part No
996-S1B54771

New At Mouser

Square D

Circuit Breakers SEISMIC LABEL KIT ENCL CIRCUIT BREAKER

Non-Stocked

€240.32

Min.: 1
Mult.: 1

Circuit Breakers MS1B2247521CAA0DA

MS1-B-22-475-2-1CA-A-0DA
Carling Technologies
1: €96.49
5In Stock

Mfr. Part No.
MS1-B-22-475-2-1CA-A-0DA

Mouser Part No
691-S1B2247521CAA0DA

Carling Technologies

Circuit Breakers MS1B2247521CAA0DA

Learn More

Datasheet

5In Stock

€96.49

€81.46

€70.20

€65.21

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

7.5 A

240 VAC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B34610E1CBA17C

MS1-B-34-610-E-1CB-A-17C
Carling Technologies
1: €97.00
1In Stock

Mfr. Part No.
MS1-B-34-610-E-1CB-A-17C

Mouser Part No
691-MS1B3461E1CBA17C

Carling Technologies

Circuit Breakers MS1B34610E1CBA17C

Learn More

Datasheet

1In Stock

€97.00

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

10 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B34620E1CBA17C

MS1-B-34-620-E-1CB-A-17C
Carling Technologies
1: €97.00
1In Stock

Mfr. Part No.
MS1-B-34-620-E-1CB-A-17C

Mouser Part No
691-MS1B3462E1CBA17C

Carling Technologies

Circuit Breakers MS1B34620E1CBA17C

Learn More

Datasheet

1In Stock

€97.00

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

20 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1261821CAA0AA

MS1-B-12-618-2-1CA-A-0AA
Carling Technologies
1: €96.49
6In Stock

Mfr. Part No.
MS1-B-12-618-2-1CA-A-0AA

Mouser Part No
691-S1B1261821CAA0AA

Carling Technologies

Circuit Breakers MS1B1261821CAA0AA

Learn More

Datasheet

6In Stock

€96.49

€81.46

€70.20

€65.21

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

18 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1061521CBA0AA

MS1-B-10-615-2-1CB-A-0AA
Carling Technologies
1: €97.00
2In Stock

Mfr. Part No.
MS1-B-10-615-2-1CB-A-0AA

Mouser Part No
691-MS1B161521CBAAA

Carling Technologies

Circuit Breakers MS1B1061521CBA0AA

Learn More

Datasheet

2In Stock

€97.00

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

15 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS-Series Circuit Breaker

MS1-B-14-420-C-1CA-A-0AA
Carling Technologies
1: €96.49
4In Stock
New At Mouser

Mfr. Part No.
MS1-B-14-420-C-1CA-A-0AA

Mouser Part No
691-S1B14420C1CAA0AA

New At Mouser

Carling Technologies

Circuit Breakers MS-Series Circuit Breaker

Datasheet

4In Stock

€96.49

€81.46

€70.20

€65.21

View

Min.: 1
Mult.: 1

MS-Series Circuit Breaker

Hydraulic Magnetic Circuit Breakers

2 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B6445021CBA0DA

MS1-B-64-450-2-1CB-A-0DA
Carling Technologies
1: €98.95
10In Stock

Mfr. Part No.
MS1-B-64-450-2-1CB-A-0DA

Mouser Part No
691-S1B6445021CBA0DA

Carling Technologies

Circuit Breakers MS1B6445021CBA0DA

Learn More

Datasheet

10In Stock

€98.95

€82.05

€77.49

€64.85

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

5 A

240 VAC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1461021CAA0AC

MS1-B-14-610-2-1CA-A-0AC
Carling Technologies
1: €97.00
10In Stock

Mfr. Part No.
MS1-B-14-610-2-1CA-A-0AC

Mouser Part No
691-MS1B1461021CAAAC

Carling Technologies

Circuit Breakers MS1B1461021CAA0AC

Learn More

Datasheet

10In Stock

€97.00

€81.88

€77.58

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

10 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1461031CBA0AC

MS1-B-14-610-3-1CB-A-0AC
Carling Technologies
1: €97.00
4In Stock

Mfr. Part No.
MS1-B-14-610-3-1CB-A-0AC

Mouser Part No
691-MS1B1461031CBA

Carling Technologies

Circuit Breakers MS1B1461031CBA0AC

Learn More

Datasheet

4In Stock

€97.00

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

10 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1262021CAA0AA

MS1-B-12-620-2-1CA-A-0AA
Carling Technologies
1: €82.46
4In Stock

Mfr. Part No.
MS1-B-12-620-2-1CA-A-0AA

Mouser Part No
691-S1B1262021CAA0AA

Carling Technologies

Circuit Breakers MS1B1262021CAA0AA

Learn More

Datasheet

4In Stock

€82.46

€72.32

€69.40

€65.07

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

20 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-12-420-L-1CB-A-A
Carling Technologies
1: €94.32
6In Stock

Mfr. Part No.
MS1-B-12-420-L-1CB-A-A

Mouser Part No
691-MS1B12420L1CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

6In Stock

€94.32

€79.63

€68.67

€63.79

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

2 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS-Series Circuit Breaker

MS1-B-14-615-C-1CA-A-0AA
Carling Technologies
1: €86.14
6On Order
New At Mouser

Mfr. Part No.
MS1-B-14-615-C-1CA-A-0AA

Mouser Part No
691-S1B14615C1CAA0AA

New At Mouser

Carling Technologies

Circuit Breakers MS-Series Circuit Breaker

Datasheet

6On Order

€86.14

€74.28

€70.20

€65.21

View

Min.: 1
Mult.: 1

MS-Series Circuit Breaker

Hydraulic Magnetic Circuit Breakers

15 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1261521CAA0AA

MS1-B-12-615-2-1CA-A-0AA
Carling Technologies
1: €86.14
9On Order

Mfr. Part No.
MS1-B-12-615-2-1CA-A-0AA

Mouser Part No
691-S1B1261521CAA0AA

Carling Technologies

Circuit Breakers MS1B1261521CAA0AA

Learn More

Datasheet

9On Order

€86.14

€74.28

€69.83

€65.77

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

15 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1463031CBAC

MS1-B-14-630-3-1CB-A-C
Carling Technologies
1: €86.59
9On Order

Mfr. Part No.
MS1-B-14-630-3-1CB-A-C

Mouser Part No
691-MS1B1463031CBAC

Carling Technologies

Circuit Breakers MS1B1463031CBAC

Learn More

Datasheet

9On Order

€86.59

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

30 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Miniature Sealed Hydraulic Magnetic Circuit Breaker, 1 POLE, Series Trip (Current), DC, Short, 10A

MS-1-B-12-610-2-1BB-A-0A-B
Carling Technologies
1: €86.16
8On Order

Mfr. Part No.
MS-1-B-12-610-2-1BB-A-0A-B

Mouser Part No
691-S1B1261021BBA0AB

Carling Technologies

Circuit Breakers Miniature Sealed Hydraulic Magnetic Circuit Breaker, 1 POLE, Series Trip (Current), DC, Short, 10A

Learn More

Datasheet

8On Order

€86.16

€74.30

€70.22

€65.23

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

10 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1448031BBAA

MS1-B-14-480-3-1BB-A-A
Carling Technologies
1: €96.57
2Expected 18/11/2026

Mfr. Part No.
MS1-B-14-480-3-1BB-A-A

Mouser Part No
691-MS1B1448031BBAA

Carling Technologies

Circuit Breakers MS1B1448031BBAA

Learn More

Datasheet

2Expected 18/11/2026

€96.57

€93.63

€73.55

€66.30

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

8 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1462031CBAC

MS1-B-14-620-3-1CB-A-C
Carling Technologies
1: €101.42
10Expected 03/11/2026

Mfr. Part No.
MS1-B-14-620-3-1CB-A-C

Mouser Part No
691-MS1-B1462031CBAC

Carling Technologies

Circuit Breakers MS1B1462031CBAC

Learn More

Datasheet

10Expected 03/11/2026

€101.42

€80.13

€71.91

€66.03

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

20 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers Sld Toggle Cir Brkr

MS1-B-10-430-2-1CB-A-A
Carling Technologies
1: €86.59
20Expected 02/10/2026

Mfr. Part No.
MS1-B-10-430-2-1CB-A-A

Mouser Part No
691-MS1B1043021CBAA

Carling Technologies

Circuit Breakers Sld Toggle Cir Brkr

Learn More

Datasheet

20Expected 02/10/2026

€86.59

€74.67

€73.87

€71.73

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

3 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS-Series Circuit Breaker

MS1-B-14-625-3-1CB-A-0AA
Carling Technologies
1: €86.59
8Expected 28/09/2026
New At Mouser

Mfr. Part No.
MS1-B-14-625-3-1CB-A-0AA

Mouser Part No
691-S1B1462531CBA0AA

New At Mouser

Carling Technologies

Circuit Breakers MS-Series Circuit Breaker

Datasheet

8Expected 28/09/2026

€86.59

€74.67

€70.55

€65.54

View

Min.: 1
Mult.: 1

MS-Series Circuit Breaker

Hydraulic Magnetic Circuit Breakers

25 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B74610E1CAA0AA

MS1-B-74-610-E-1CA-A-0AA
Carling Technologies
1: €87.13
4Expected 18/09/2026

Mfr. Part No.
MS1-B-74-610-E-1CA-A-0AA

Mouser Part No
691-S1B74610E1CAA0AA

Carling Technologies

Circuit Breakers MS1B74610E1CAA0AA

Learn More

Datasheet

4Expected 18/09/2026

€87.13

€70.89

€69.55

€64.54

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

10 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers CIRCUIT BREAKER MS SERIES MIL

MS1-B-14-625-3-1BB-A-A
Carling Technologies
1: €106.93
9Expected 16/09/2026

Mfr. Part No.
MS1-B-14-625-3-1BB-A-A

Mouser Part No
691-MS1B1462531BBAA

Carling Technologies

Circuit Breakers CIRCUIT BREAKER MS SERIES MIL

Learn More

Datasheet

9Expected 16/09/2026

€106.93

€81.49

€77.20

€64.34

€62.05

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

25 A

240 VAC

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS1B1441021CAA0AC

MS1-B-14-410-2-1CA-A-0AC
Carling Technologies
1: €86.15
5On Order

Mfr. Part No.
MS1-B-14-410-2-1CA-A-0AC

Mouser Part No
691-1B1441021CAA0AC

Carling Technologies

Circuit Breakers MS1B1441021CAA0AC

Learn More

Datasheet

5On Order

€86.15

€74.28

€70.20

€65.21

View

Min.: 1
Mult.: 1

Hydraulic Magnetic Circuit Breakers

1 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers MS-Series Circuit Breaker

MS1-B-14-625-C-1CA-A-0AA
Carling Technologies
1: €86.14
4On Order
New At Mouser

Mfr. Part No.
MS1-B-14-625-C-1CA-A-0AA

Mouser Part No
691-S1B14625C1CAA0AA

New At Mouser

Carling Technologies

Circuit Breakers MS-Series Circuit Breaker

Datasheet

4On Order

€86.14

€74.28

€70.20

€65.21

View

Min.: 1
Mult.: 1

MS-Series Circuit Breaker

Hydraulic Magnetic Circuit Breakers

25 A

65 VDC

1 Pole

Toggle

- 40 C

+ 85 C

Non-Illuminated

Circuit Breakers GD 3P 20A W/ST 120VAC LH & 1M/1B - 1A-1B

GD3020S1B13
Eaton Electrical
1: €2,537.99
Non-Stocked
New Product

Mfr. Part No.
GD3020S1B13

Mouser Part No
504-GD3020S1B13

New Product

Eaton Electrical

Circuit Breakers GD 3P 20A W/ST 120VAC LH & 1M/1B - 1A-1B

Datasheet

Non-Stocked

€2,537.99

Min.: 1
Mult.: 1

S1B Circuit Breakers

Customer Service Office

Company

Resources

Support

200 mA
250 mA
300 mA
500 mA
750 mA
1 A
1.5 A
1.75 A
2 A
2.25 A
2.5 A
3 A
3.5 A
4 A
5 A
5.5 A
6 A
6.5 A
7 A
7.5 A