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Molded Case Circuit Breakers (MCCB)

Molded Case Circuit Breakers (MCCBs) are the work‑horses that protect medium‑ to high‑power circuits from overloads and short‑circuits. Our Schneider ComPact and GoPact ranges cover 16 A to 630 A with breaking capacities up to 70 kA, giving South‑African installers the head‑room demanded by SANS 10142 and IEC 60947‑2.

Whether you’re upgrading a panel in a manufacturing plant or speccing a new commercial DB, you can choose between thermal‑magnetic or electronic trip units, fixed or adjustable settings, and 1‑ to 4‑pole formats. Every MCCB on this page carries Schneider’s proven track record for reliability, plus digital features such as DIN‑rail energy metering on selected ComPact NSX models.

Need help sizing the breaker? Check the kA rating against your prospective fault level, match the trip curve to motor‑start currents, and allow at least 20 % head‑room on continuous load. Scroll down to shop the full Schneider MCCB line‑up.

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trip unit TM16D for ComPacT NSX 100 circuit breakers, thermal magnetic, rating 16 A, 3 poles 3d

Schneider Electric
R 2,084.67 - R 2,084.67
R 2,084.67
R 2,084.67 - R 2,084.67
R 2,084.67
567 in stock

This TM16D is a 3 poles 3d thermal-magnetic trip unit used on ComPacT NSX 100 circuit breakers. This 16A rating thermal-magnetic trip unit is an op...

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R 2,084.67 - R 2,084.67
R 2,084.67
R 2,084.67 - R 2,084.67
R 2,084.67

trip unit MA100 for ComPacT NSX 100/160/250 circuit breakers, magnetic, rating 100 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
318 in stock

This MA100 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 100A rating magnetic trip unit is an optimum c...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29

trip unit MA50 for ComPacT NSX 100/160 circuit breakers, magnetic, rating 50 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
350 in stock

This MA50 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100/160 circuit breakers. This 50A rating magnetic trip unit is an optimum choice ...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29

trip unit MA25 for ComPacT NSX 100/160 circuit breakers, magnetic, rating 25 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
220 in stock

This MA25 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100/160 circuit breakers. This 25A rating magnetic trip unit is an optimum choice ...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29

trip unit MA12.5 for ComPacT NSX 100 circuit breakers, magnetic, rating 12.5 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
1593 in stock

This MA12.5 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100 circuit breakers. This 12.5A rating magnetic trip unit is an optimum choice ...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29

trip unit MA6.3 for ComPacT NSX 100 circuit breakers, magnetic, rating 6.3 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
29 in stock

This MA6.3 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100 circuit breakers. This 6.3A rating magnetic trip unit is an optimum choice fo...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29

trip unit MA2.5 for ComPacT NSX 100 circuit breakers, magnetic, rating 2.5 A, 3 poles 3d

Schneider Electric
R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
21 in stock

This MA2.5 is a 3 poles 3d magnetic trip unit used on ComPacT NSX 100 circuit breakers. This 2.5A rating magnetic trip unit is an optimum choice fo...

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R 2,253.29 - R 2,253.29
R 2,253.29
R 2,253.29 - R 2,253.29
R 2,253.29
Available for backorder

trip unit MicroLogic 6.2 E for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 100A, 3 poles 3d

Schneider Electric
R 4,187.32 - R 4,187.32
R 4,187.32
R 4,187.32 - R 4,187.32
R 4,187.32
Available for backorder

This MicroLogic 6.2 E (Energy) is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 100A rating electronic t...

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R 4,187.32 - R 4,187.32
R 4,187.32
R 4,187.32 - R 4,187.32
R 4,187.32
Available for backorder

trip unit MicroLogic 5.2 E for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 100A, 3 poles 3d

Schneider Electric
R 3,310.15 - R 3,310.15
R 3,310.15
R 3,310.15 - R 3,310.15
R 3,310.15
1281 in stock

This MicroLogic 5.2 E (Energy) is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 100A rating electronic t...

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R 3,310.15 - R 3,310.15
R 3,310.15
R 3,310.15 - R 3,310.15
R 3,310.15

trip unit MicroLogic 5.2 E for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 40A, 3 poles 3d

Schneider Electric
R 3,164.50 - R 3,164.50
R 3,164.50
R 3,164.50 - R 3,164.50
R 3,164.50
234 in stock

This MicroLogic 5.2 E (Energy) is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 40A rating electronic tr...

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R 3,164.50 - R 3,164.50
R 3,164.50
R 3,164.50 - R 3,164.50
R 3,164.50

trip unit MicroLogic 2.2 M for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 100 A, 3 poles 3d

Schneider Electric
R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59
4229 in stock

This MicroLogic 2.2 M is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 100A rating magnetic trip unit is...

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R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59

trip unit MicroLogic 2.2 M for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 50 A, 3 poles 3d

Schneider Electric
R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59
9 in stock

This MicroLogic 2.2 M is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 50A rating electronic trip unit i...

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R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59

trip unit MicroLogic 2.2 M for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 25 A, 3 poles 3d

Schneider Electric
R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59
128 in stock

This MicroLogic 2.2 M is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 25A rating electronic trip unit i...

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R 3,830.59 - R 3,830.59
R 3,830.59
R 3,830.59 - R 3,830.59
R 3,830.59
Available for backorder

trip unit MicroLogic 2.2 for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 100A, 3 poles 3d

Schneider Electric
R 2,616.72 - R 2,616.72
R 2,616.72
R 2,616.72 - R 2,616.72
R 2,616.72
Available for backorder

This MicroLogic 2.2 is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 100A rating electronic trip unit is...

View full details
R 2,616.72 - R 2,616.72
R 2,616.72
R 2,616.72 - R 2,616.72
R 2,616.72
Available for backorder

trip unit MicroLogic 2.2 for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 40A, 3 poles 3d

Schneider Electric
R 2,501.59 - R 2,501.59
R 2,501.59
R 2,501.59 - R 2,501.59
R 2,501.59
19 in stock

This MicroLogic 2.2 is a 3 poles 3d electronic trip unit used on ComPacT NSX 100/160/250 circuit breakers. This 40A rating electronic trip unit is ...

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R 2,501.59 - R 2,501.59
R 2,501.59
R 2,501.59 - R 2,501.59
R 2,501.59
Available for backorder

front connections, 1600 A, fixed ComPact NS type N/H/NA, bottom mounting, 3 poles

Schneider Electric
R 3,165.20 - R 3,165.20
R 3,165.20
R 3,165.20 - R 3,165.20
R 3,165.20
Available for backorder

Front Connections 1600 A Fixed Compact Ns Type N H Na Bottom Mounting 3 PolesFront Connections 1600 A Fixed Compact Ns Type N H Na Bottom Mounting ...

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R 3,165.20 - R 3,165.20
R 3,165.20
R 3,165.20 - R 3,165.20
R 3,165.20
Available for backorder
Available for backorder

front connections, 1600 A, fixed ComPact NS type N/H/NA, top mounting, 3 poles

Schneider Electric
R 3,165.20 - R 3,165.20
R 3,165.20
R 3,165.20 - R 3,165.20
R 3,165.20
Available for backorder

Front Connections 1600 A Fixed Compact Ns Type N H Na Top Mounting 3 PolesFront Connections 1600 A Fixed Compact Ns Type N H Na Top Mounting 3 Pole...

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R 3,165.20 - R 3,165.20
R 3,165.20
R 3,165.20 - R 3,165.20
R 3,165.20
Available for backorder
Available for backorder

front connections, 630 A to 1250 A, fixed ComPact NS type N/H/NA, bottom mounting, 3 poles

Schneider Electric
R 2,373.87 - R 2,373.87
R 2,373.87
R 2,373.87 - R 2,373.87
R 2,373.87
Available for backorder

These accessories are front connections for 3 poles fixed Compact NS circuit breakers and fixed Compact NS switch disconnectors. They can be adapte...

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R 2,373.87 - R 2,373.87
R 2,373.87
R 2,373.87 - R 2,373.87
R 2,373.87
Available for backorder
Available for backorder

front connections, 630 A to 1250 A, fixed ComPact NS type N/H/NA, top mounting, 3 poles

Schneider Electric
R 2,373.87 - R 2,373.87
R 2,373.87
R 2,373.87 - R 2,373.87
R 2,373.87
Available for backorder

These accessories are front connections for 3 poles fixed Compact NS circuit breakers and fixed Compact NS switch disconnectors. They can be adapte...

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R 2,373.87 - R 2,373.87
R 2,373.87
R 2,373.87 - R 2,373.87
R 2,373.87
Available for backorder
Available for backorder

front connections, 630 A to 1000 A, fixed ComPact NS type N/H/NA, bottom mounting, 3 poles

Schneider Electric
R 1,610.96 - R 1,610.96
R 1,610.96
R 1,610.96 - R 1,610.96
R 1,610.96
Available for backorder

These accessories are front connections for 3 poles fixed Compact NS circuit breakers and fixed Compact NS switch disconnectors. They can be adapte...

View full details
R 1,610.96 - R 1,610.96
R 1,610.96
R 1,610.96 - R 1,610.96
R 1,610.96
Available for backorder
Available for backorder

front connections, 630 A to 1000 A, fixed ComPact NS type N/H/NA, top mounting, 3 poles

Schneider Electric
R 1,610.96 - R 1,610.96
R 1,610.96
R 1,610.96 - R 1,610.96
R 1,610.96
Available for backorder

These accessories are front connections for 3 poles fixed Compact NS circuit breakers and fixed Compact NS switch disconnectors. They can be adapte...

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R 1,610.96 - R 1,610.96
R 1,610.96
R 1,610.96 - R 1,610.96
R 1,610.96
Available for backorder
Available for backorder

external sensor for neutral with ground-fault protection, 400 A to 1600 A, 3 poles circuit breakers

Schneider Electric
R 13,984.58 - R 13,984.58
R 13,984.58
R 13,984.58 - R 13,984.58
R 13,984.58
Available for backorder

External Sensor for Neutral With Ground Fault Protection 400 A To 1600 A 3 Poles Circuit BreakersExternal Sensor for Neutral With Ground Fault Prot...

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R 13,984.58 - R 13,984.58
R 13,984.58
R 13,984.58 - R 13,984.58
R 13,984.58
Available for backorder
Available for backorder

basic switch disconnector, Compact NS1250 NA, withdrawable, manually operated, 1250 A, 690 VAC 50/60 Hz, 3 poles

Schneider Electric
R 22,660.57 - R 22,660.57
R 22,660.57
R 22,660.57 - R 22,660.57
R 22,660.57
Available for backorder

Basic Switch Disconnector Compact Ns1250 Na Withdrawable Manually Operated 1250 A 690 Vac 50 60 Hz 3 PolesBasic Switch Disconnector Compact Ns1250 ...

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R 22,660.57 - R 22,660.57
R 22,660.57
R 22,660.57 - R 22,660.57
R 22,660.57
Available for backorder

NS630B/1600N/H ELEC. OP. OR NT630/1600N/3 POLE

Schneider Electric
R 40,172.26 - R 40,172.26
R 40,172.26
R 40,172.26 - R 40,172.26
R 40,172.26
87 in stock

Ns630B 1600N H Elec Op Or Nt630 1600N 3 PoleNs630B 1600N H Elec Op Or Nt630 1600N 3 Pole is built for safe, reliable use in homes, offices, or indu...

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R 40,172.26 - R 40,172.26
R 40,172.26
R 40,172.26 - R 40,172.26
R 40,172.26