MCBs

MCBs, or Miniature Circuit Breakers, are electrical devices designed to protect an electrical circuit from damage caused by overcurrent. They serve as a crucial component in the electrical distribution system of buildings, homes, and industrial facilities. You can learn more in our MCB guide.

RS offer ...

Showing 1-20 of 844 products

Filter

Sort

Filter

Sort

Siemens Sentron 5SY6 MCB, 1P, 6A Curve C, 230V AC, 72V DC, 6 kA Breaking Capacity
RS Stock No.: 489-6625Brand: SiemensManufacturers Part No.: 5SY6106-7Sähkönumero: 3223514

€ 26.48

€ 26.48 Each (Exc. Vat)

Add to basket
Siemens
1
6A
Type C
230 V, 400V
72V
6 kA
Sentron
5SY6
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
Screw
Siemens Sentron 5SY4 MCB, 1P, 6A Curve D, 230V AC, 10 kA Breaking Capacity
RS Stock No.: 772-1259Brand: SiemensManufacturers Part No.: 5SY4106-8Sähkönumero: 3224018

€ 32.50

€ 32.50 Each (Exc. Vat)

Add to basket
Siemens
1
6A
Type D
230 V, 400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY4 MCB, 1P, 4A Curve C, 230V AC, 10 kA Breaking Capacity
RS Stock No.: 622-0036Brand: SiemensManufacturers Part No.: 5SY4104-7Sähkönumero: 3222536

€ 32.25

€ 32.25 Each (Exc. Vat)

Add to basket
Siemens
1
4A
Type C
230 V, 400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY6 MCB, 3P, 16A Curve C, 400V AC, 72V DC, 6 kA Breaking Capacity
RS Stock No.: 489-6710Brand: SiemensManufacturers Part No.: 5SY6316-7Sähkönumero: 3223578

€ 104.79

€ 104.79 Each (Exc. Vat)

Add to basket
Siemens
3
16A
Type C
400V
72V
6 kA
Sentron
5SY6
MCB
89.8mm
53mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
Screw
Siemens Sentron 5SY4 MCB, 1P, 2A Curve D, 230V AC, 10 kA Breaking Capacity
RS Stock No.: 772-1246Brand: SiemensManufacturers Part No.: 5SY4102-8Sähkönumero: 3224014

€ 34.26

€ 34.26 Each (Exc. Vat)

Add to basket
Siemens
1
2A
Type D
230 V, 400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SJ6 MCB, 1P, 16A Curve B, 230V AC, 60V DC, 6 kA Breaking Capacity
RS Stock No.: 521-4759Brand: SiemensManufacturers Part No.: 5SJ6116-6KSSähkönumero: 3223753

€ 25.23

€ 25.23 Each (Exc. Vat)

Add to basket
Siemens
1
16A
Type B
230 V, 400V
60V
6 kA
Sentron
5SJ6
MCB
90mm
18mm
DIN Rail Mount
76mm
-
-
-
-
-
-
-
Siemens SENTRON MCB, 1P, 16A Curve B, 400V AC, 6 kA Breaking Capacity
RS Stock No.: 189-3188Brand: SiemensManufacturers Part No.: 5SL6116-6Sähkönumero: 3221713

€ 6.21

€ 6.21 Each (Exc. Vat)

Add to basket
Siemens
1
16A
Type B
400V
-
6 kA
Sentron
-
MCB
90mm
18mm
DIN Rail Mount
76mm
5SL61166
Extended product life
-
Toggle Switch
-
-
Screw
Siemens Sentron 5SY4 MCB, 1P, 4A Curve D, 230V AC, 72V DC, 10 kA Breaking Capacity
RS Stock No.: 772-1240Brand: SiemensManufacturers Part No.: 5SY4104-8Sähkönumero: 3224016

€ 36.14

€ 36.14 Each (Exc. Vat)

Add to basket
Siemens
1
4A
Type D
230 V, 400V
72V
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
Screw
Siemens Sentron 5SY4 MCB, 3P, 25A Curve D, 400V AC, 10 kA Breaking Capacity
RS Stock No.: 772-1381Brand: SiemensManufacturers Part No.: 5SY4325-8Sähkönumero: 3224053

€ 126.76

€ 126.76 Each (Exc. Vat)

Add to basket
Siemens
3
25A
Type D
400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
53mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY4 MCB, 2P, 16A Curve C, 400V AC, 72V DC, 10 kA Breaking Capacity
RS Stock No.: 772-1319Brand: SiemensManufacturers Part No.: 5SY4216-7Sähkönumero: 3222555

€ 82.83

€ 82.83 Each (Exc. Vat)

Add to basket
Siemens
2
16A
Type C
400V
72V
10 kA
Sentron
5SY4
MCB
90mm
36mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
Industrial Appliances, Power Supplies, Power Tools
-
Siemens Sentron 5SY6 MCB, 1P, 32A Curve B, 230V AC, 6 kA Breaking Capacity
RS Stock No.: 489-6675Brand: SiemensManufacturers Part No.: 5SY6132-6Sähkönumero: 3223456

€ 24.22

€ 24.22 Each (Exc. Vat)

Add to basket
Siemens
1
32A
Type B
230 V, 400V
-
6 kA
Sentron
5SY6
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens SENTRON 5SL4 MCB, 1P, 16A Curve B, 10 kA Breaking Capacity
RS Stock No.: 202-7107Brand: SiemensManufacturers Part No.: 5SL4116-6Sähkönumero: 3222814

€ 27.48

€ 27.48 Each (Exc. Vat)

Add to basket
Siemens
1
16A
Type B
-
-
10 kA
Sentron
5SL4
MCB
-
-
DIN Rail Mount
-
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY4 MCB, 1P, 32A Curve C, 400V AC, 10 kA Breaking Capacity
RS Stock No.: 383-2068Brand: SiemensManufacturers Part No.: 5SY4132-7Sähkönumero: 3222542

€ 28.61

€ 28.61 Each (Exc. Vat)

Add to basket
Siemens
1
32A
Type C
400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY4 MCB, 2P, 4A Curve D, 400V AC, 10 kA Breaking Capacity
RS Stock No.: 772-1284Brand: SiemensManufacturers Part No.: 5SY4204-8Sähkönumero: 3224031

€ 97.89

€ 97.89 Each (Exc. Vat)

Add to basket
Siemens
2
4A
Type D
400V
-
10 kA
Sentron
5SY4
MCB
90mm
36mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY6 MCB, 1P, 10A Curve B, 230V AC, 6 kA Breaking Capacity
RS Stock No.: 489-6704Brand: SiemensManufacturers Part No.: 5SY6110-6Sähkönumero: 3223448

€ 24.22

€ 24.22 Each (Exc. Vat)

Add to basket
Siemens
1
10A
Type B
230 V, 400V
-
6 kA
Sentron
5SY6
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY4 MCB, 1P, 20A Curve D, 230V AC, 10 kA Breaking Capacity
RS Stock No.: 772-1265Brand: SiemensManufacturers Part No.: 5SY4120-8Sähkönumero: 3224022

€ 30.12

€ 30.12 Each (Exc. Vat)

Add to basket
Siemens
1
20A
Type D
230 V, 400V
-
10 kA
Sentron
5SY4
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Siemens Sentron 5SY6 MCB, 1P, 300mA Curve C, 230V AC, 6 kA Breaking Capacity
RS Stock No.: 521-4888Brand: SiemensManufacturers Part No.: 5SY6114-7Sähkönumero: 3223501

€ 28.99

€ 28.99 Each (Exc. Vat)

Add to basket
Siemens
1
300mA
Type C
230 V, 400V
-
6 kA
Sentron
5SY6
MCB
89.8mm
17.5mm
DIN Rail Mount
76mm
-
Extended product life
-
-
-
-
-
Schneider Electric Acti 9 iC60L MCB, 2P, 16A Curve C, 400V AC, 12 → 144V DC, 10 kA Breaking Capacity
RS Stock No.: 734-9419Brand: Schneider ElectricManufacturers Part No.: A9F94216Sähkönumero: 3264916

€ 176.96

€ 176.96 Each (Exc. Vat)

Add to basket
Schneider Electric
2
16A
Type C
400 V, 440 V, 100 → 130 V, 12 → 60 V, 220 → 240 V, 380 → 415V
12 → 144V
10 kA
Acti 9
iC60L
MCB
-
36mm
DIN Rail Mount
-
-
-
-
-
-
-
-
Siemens SENTRON MCB, 1P, 10A Curve B, 400V AC, 6 kA Breaking Capacity
RS Stock No.: 189-3187Brand: SiemensManufacturers Part No.: 5SL6110-6Sähkönumero: 3221707

€ 6.65

€ 6.65 Each (Exc. Vat)

Add to basket
Siemens
1
10A
Type B
400V
-
6 kA
Sentron
-
MCB
90mm
18mm
DIN Rail Mount
76mm
5SL61106
Extended product life
-
Toggle Switch
-
-
Screw
Siemens SENTRON 5SL6 MCB, 1P, 10A Curve C, 6 kA Breaking Capacity
RS Stock No.: 202-7139Brand: SiemensManufacturers Part No.: 5SL6110-7Sähkönumero: 3221708

€ 23.59

€ 23.59 Each (Exc. Vat)

Add to basket
Siemens
1
10A
Type C
-
-
6 kA
Sentron
5SL6
MCB
-
-
DIN Rail Mount
-
-
Extended product life
-
-
-
-
-

...