Novapart logo

Circuit Breakers

Found 2315 products. Showing up to 30 products per page.

Subcategories

Thermal Circuit Breakers

Electronic Circuit Breakers

Circuit Breaker Accessories

Magnetic Hydraulic Circuit Breakers

Thermal Magnetic Circuit Breakers

RCBO, RCD, GFCI, AFDD Circuit Breakers

Manufacturer

5SP3740-2KK01: Circuit Breaker, MCB, 5SP3, 1P, 25 kA, 400 V, 40 A
Siemens 5SP3740-2KK01

Circuit Breaker, MCB, 5SP3, 1P, 25 kA, 400 V, 40 A

105.11 EUR/unit
5SP3763-3: Circuit Breaker, MCB, 5SP3, 1P, 25 kA, 400 V, 63 A
Siemens 5SP3763-3

Circuit Breaker, MCB, 5SP3, 1P, 25 kA, 400 V, 63 A

102.59 EUR/unit
5SP3780: Circuit Breaker, SENTRON, 230 V, 80 A, 1 Pole, 25 kA
Siemens 5SP3780

Circuit Breaker, SENTRON, 230 V, 80 A, 1 Pole, 25 kA

89.81 EUR/unit
5SP3791: Circuit Breaker, SENTRON, 230 V, 100 A, 1 Pole, 25 kA
Siemens 5SP3791

Circuit Breaker, SENTRON, 230 V, 100 A, 1 Pole, 25 kA

93.24 EUR/unit
5SP3791-1: Circuit Breaker, SENTRON, 400 V, 100 A, 3 Pole, 25 kA
Siemens 5SP3791-1

Circuit Breaker, SENTRON, 400 V, 100 A, 3 Pole, 25 kA

285.69 EUR/unit
5SP4180-6: Circuit Breaker, MCB, 5SP4, 1P, 10 kA, 400 V, 80 A
Siemens 5SP4180-6

Circuit Breaker, MCB, 5SP4, 1P, 10 kA, 400 V, 80 A

64.93 EUR/unit
5SP4392-6: Circuit Breaker, MCB, 5SP4, 3P, 10 kA, 400 V, 125 A
Siemens 5SP4392-6

Circuit Breaker, MCB, 5SP4, 3P, 10 kA, 400 V, 125 A

244.88 EUR/unit
5SP4492-7: Circuit Breaker, MCB, 5SP4, 4P, 10 kA, 400 V, 125 A
Siemens 5SP4492-7

Circuit Breaker, MCB, 5SP4, 4P, 10 kA, 400 V, 125 A

553.09 EUR/unit
5ST1315: Busbar Adapter, Main Miniature Circuit Breakers
Siemens 5ST1315

Busbar Adapter, Main Miniature Circuit Breakers

65.35 EUR/unit
5ST1325: Infeed Terminal Set, 50 mm2, Main Conductor Circuit Breakers
Siemens 5ST1325

Infeed Terminal Set, 50 mm2, Main Conductor Circuit Breakers

14.11 EUR/unit
5ST1328: Busbar Adapter, 80/100 A, Main Conductor Circuit Breakers
Siemens 5ST1328

Busbar Adapter, 80/100 A, Main Conductor Circuit Breakers

16.16 EUR/unit
5ST3010: AUXILIARY SWITCH, CKT BREAKER, 1NO/1NC
Siemens 5ST3010

AUXILIARY SWITCH, CKT BREAKER, 1NO/1NC

21.33 EUR/unit
5ST3605: Circuit Breaker Accessory, 63A, 237mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3605

Circuit Breaker Accessory, 63A, 237mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

3.27 EUR/unit
5ST3607: Circuit Breaker Accessory, 63A, 105mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3607

Circuit Breaker Accessory, 63A, 105mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

3.82 EUR/unit
5ST3614: Circuit Breaker Accessory, 63A, 158mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3614

Circuit Breaker Accessory, 63A, 158mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

6.18 EUR/unit
5ST3615-1: Circuit Breaker Accessory, 63A, 210mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3615-1

Circuit Breaker Accessory, 63A, 210mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

4.75 EUR/unit
5ST3616: Circuit Breaker Accessory, 63A, 115mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3616

Circuit Breaker Accessory, 63A, 115mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

4.82 EUR/unit
5ST3617: Circuit Breaker Accessory, 63A, 237mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3617

Circuit Breaker Accessory, 63A, 237mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

8.75 EUR/unit
5ST3618: Circuit Breaker Accessory, 63A, 158mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3618

Circuit Breaker Accessory, 63A, 158mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

4.85 EUR/unit
5ST3620: Circuit Breaker Accessory, 63A, 227mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3620

Circuit Breaker Accessory, 63A, 227mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

8.75 EUR/unit
5ST3621: Circuit Breaker Accessory, 63A, 140mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3621

Circuit Breaker Accessory, 63A, 140mm Len, Siemens SENTRON Circuit Breakers, Pin Busbar

7.39 EUR/unit
5ST3624-1: Circuit Breaker Accessory, 63A, 176mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series
Siemens 5ST3624-1

Circuit Breaker Accessory, 63A, 176mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series

11.85 EUR/unit
5ST3633: Circuit Breaker Accessory, 80A, 40mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series
Siemens 5ST3633

Circuit Breaker Accessory, 80A, 40mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series

2.05 EUR/unit
5ST3634: Circuit Breaker Accessory, 80A, 158mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series
Siemens 5ST3634

Circuit Breaker Accessory, 80A, 158mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series

3.0 EUR/unit
5ST3635: Circuit Breaker Accessory, 80A, 237mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series
Siemens 5ST3635

Circuit Breaker Accessory, 80A, 237mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series

4.88 EUR/unit
5ST3638: Circuit Breaker Accessory, 80A, 209.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3638

Circuit Breaker Accessory, 80A, 209.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar

10.26 EUR/unit
5ST3640: Circuit Breaker Accessory, 80A, 75.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3640

Circuit Breaker Accessory, 80A, 75.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar

4.71 EUR/unit
5ST3641: Circuit Breaker Accessory, 80A, 120.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3641

Circuit Breaker Accessory, 80A, 120.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar

9.03 EUR/unit
5ST3643: Circuit Breaker Accessory, 80A, 102.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar
Siemens 5ST3643

Circuit Breaker Accessory, 80A, 102.5mm, Siemens SENTRON Circuit Breakers, Pin Busbar

6.69 EUR/unit
5ST3646: Circuit Breaker Accessory, 80A, 115mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series
Siemens 5ST3646

Circuit Breaker Accessory, 80A, 115mm, Siemens SENTRON Circuit Breakers, Pin Busbar, SENTRON Series

7.25 EUR/unit