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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 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
1768 in stock

Trip Unit Ma12 5 for Compact Nsx 100 Circuit Breakers Magnetic Rating 12 5 A 3 Poles 3DTrip Unit Ma12 5 for Compact Nsx 100 Circuit Breakers Magnet...

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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
66 in stock

Trip Unit Ma6 3 for Compact Nsx 100 Circuit Breakers Magnetic Rating 6 3 A 3 Poles 3DTrip Unit Ma6 3 for Compact Nsx 100 Circuit Breakers Magnetic ...

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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
29 in stock

Trip Unit Ma2 5 for Compact Nsx 100 Circuit Breakers Magnetic Rating 2 5 A 3 Poles 3DTrip Unit Ma2 5 for Compact Nsx 100 Circuit Breakers Magnetic ...

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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 EM for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 80 A, 3 poles 3d

Schneider Electric
R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder

R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder
Available for backorder

trip unit MicroLogic 6.2 EM for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 50 A, 3 poles 3d

Schneider Electric
R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder

R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder
Available for backorder

trip unit MicroLogic 6.2 EM for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 25 A, 3 poles 3d

Schneider Electric
R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder

R 5,745.85 - R 5,745.85
R 5,745.85
R 5,745.85 - R 5,745.85
R 5,745.85
Available for backorder
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

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
Available for backorder

trip unit MicroLogic 6.2 E for ComPacT NSX 100/160/250 circuit breakers, electronic, rating 40A, 3 poles 3d

Schneider Electric
R 4,003.11 - R 4,003.11
R 4,003.11
R 4,003.11 - R 4,003.11
R 4,003.11
Available for backorder

R 4,003.11 - R 4,003.11
R 4,003.11
R 4,003.11 - R 4,003.11
R 4,003.11
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
1366 in stock

Trip Unit Micrologic 5 2 E for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 100A 3 Poles 3DTrip Unit Micrologic 5 2 E for Compact Nsx...

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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
319 in stock

Trip Unit Micrologic 5 2 E for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 40A 3 Poles 3DTrip Unit Micrologic 5 2 E for Compact Nsx ...

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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
2476 in stock

Trip Unit Micrologic 2 2 M for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 100 A 3 Poles 3DTrip Unit Micrologic 2 2 M for Compact Ns...

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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
31 in stock

Trip Unit Micrologic 2 2 M for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 50 A 3 Poles 3DTrip Unit Micrologic 2 2 M for Compact Nsx...

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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
129 in stock

Trip Unit Micrologic 2 2 M for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 25 A 3 Poles 3DTrip Unit Micrologic 2 2 M for Compact Nsx...

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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 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
152 in stock

Trip Unit Micrologic 2 2 for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 100A 3 Poles 3DTrip Unit Micrologic 2 2 for Compact Nsx 100...

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R 2,616.72 - R 2,616.72
R 2,616.72
R 2,616.72 - R 2,616.72
R 2,616.72

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
39 in stock

Trip Unit Micrologic 2 2 for Compact Nsx 100 160 250 Circuit Breakers Electronic Rating 40A 3 Poles 3DTrip Unit Micrologic 2 2 for Compact Nsx 100 ...

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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

keylock Profalux KS5 B24 D4Z, set of 1 part, keylock adapter not included

Schneider Electric
R 638.43 - R 638.43
R 638.43
R 638.43 - R 638.43
R 638.43
Available for backorder

Keylock Profalux Ks5 B24 D4Z Set Of 1 Part Keylock Adapter Not IncludedKeylock Profalux Ks5 B24 D4Z Set Of 1 Part Keylock Adapter Not Included is b...

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R 638.43 - R 638.43
R 638.43
R 638.43 - R 638.43
R 638.43
Available for backorder

keylock Ronis 1351B.500, set of 2 parts,keylock adapter not included, 1 key only

Merlin Gerin
R 1,853.39 - R 1,853.39
R 1,853.39
R 1,853.39 - R 1,853.39
R 1,853.39
50 in stock

Keylock Ronis 1351B 500 Set Of 2 Parts Keylock Adapter Not Included 1 Key OnlyKeylock Ronis 1351B 500 Set Of 2 Parts Keylock Adapter Not Included 1...

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R 1,853.39 - R 1,853.39
R 1,853.39
R 1,853.39 - R 1,853.39
R 1,853.39

keylock Ronis 1351B.500, set of 1 part, keylock adapter not included

Schneider Electric
R 1,560.64 - R 1,560.64
R 1,560.64
R 1,560.64 - R 1,560.64
R 1,560.64
66 in stock

Keylock Ronis 1351B 500 Set Of 1 Part Keylock Adapter Not IncludedKeylock Ronis 1351B 500 Set Of 1 Part Keylock Adapter Not Included is built for s...

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R 1,560.64 - R 1,560.64
R 1,560.64
R 1,560.64 - R 1,560.64
R 1,560.64
Available for backorder

circuit breaker ComPact NS1600H, 70 kA at 415 VAC, Micrologic 5.0 E trip unit, 1600 A, fixed,4 poles 4d

Schneider Electric
R 81,335.77 - R 81,335.77
R 81,335.77
R 81,335.77 - R 81,335.77
R 81,335.77
Available for backorder

Circuit Breaker Compact Ns1600H 70 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1600 A Fixed 4 Poles 4DCircuit Breaker Compact Ns1600H 70 Ka At 415 Vac...

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R 81,335.77 - R 81,335.77
R 81,335.77
R 81,335.77 - R 81,335.77
R 81,335.77
Available for backorder
Available for backorder

circuit breaker ComPact NS1600N, 50 kA at 415 VAC, Micrologic 5.0 E trip unit, 1600 A, fixed,4 poles 4d

Schneider Electric
R 69,762.94 - R 69,762.94
R 69,762.94
R 69,762.94 - R 69,762.94
R 69,762.94
Available for backorder

Circuit Breaker Compact Ns1600N 50 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1600 A Fixed 4 Poles 4DCircuit Breaker Compact Ns1600N 50 Ka At 415 Vac...

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R 69,762.94 - R 69,762.94
R 69,762.94
R 69,762.94 - R 69,762.94
R 69,762.94
Available for backorder
Available for backorder

circuit breaker ComPact NS1600H, 70 kA at 415 VAC, Micrologic 5.0 E trip unit, 1600 A, fixed,3 poles 3d

Schneider Electric
R 72,145.74 - R 72,145.74
R 72,145.74
R 72,145.74 - R 72,145.74
R 72,145.74
Available for backorder

Circuit Breaker Compact Ns1600H 70 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1600 A Fixed 3 Poles 3DCircuit Breaker Compact Ns1600H 70 Ka At 415 Vac...

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R 72,145.74 - R 72,145.74
R 72,145.74
R 72,145.74 - R 72,145.74
R 72,145.74
Available for backorder
Available for backorder

circuit breaker ComPact NS1600N, 50 kA at 415 VAC, Micrologic 5.0 E trip unit, 1600 A, fixed,3 poles 3d

Schneider Electric
R 61,616.19 - R 61,616.19
R 61,616.19
R 61,616.19 - R 61,616.19
R 61,616.19
Available for backorder

Circuit Breaker Compact Ns1600N 50 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1600 A Fixed 3 Poles 3DCircuit Breaker Compact Ns1600N 50 Ka At 415 Vac...

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R 61,616.19 - R 61,616.19
R 61,616.19
R 61,616.19 - R 61,616.19
R 61,616.19
Available for backorder
Available for backorder

circuit breaker ComPact NS1250H, 70 kA at 415 VAC, Micrologic 5.0 E trip unit, 1250 A, fixed,4 poles 4d

Schneider Electric
R 70,378.45 - R 70,378.45
R 70,378.45
R 70,378.45 - R 70,378.45
R 70,378.45
Available for backorder

Circuit Breaker Compact Ns1250H 70 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1250 A Fixed 4 Poles 4DCircuit Breaker Compact Ns1250H 70 Ka At 415 Vac...

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R 70,378.45 - R 70,378.45
R 70,378.45
R 70,378.45 - R 70,378.45
R 70,378.45
Available for backorder
Available for backorder

circuit breaker ComPact NS1250N, 50 kA at 415 VAC, Micrologic 5.0 E trip unit, 1250 A, fixed,4 poles 4d

Schneider Electric
R 61,929.55 - R 61,929.55
R 61,929.55
R 61,929.55 - R 61,929.55
R 61,929.55
Available for backorder

Circuit Breaker Compact Ns1250N 50 Ka At 415 Vac Micrologic 5 0 E Trip Unit 1250 A Fixed 4 Poles 4DCircuit Breaker Compact Ns1250N 50 Ka At 415 Vac...

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R 61,929.55 - R 61,929.55
R 61,929.55
R 61,929.55 - R 61,929.55
R 61,929.55
Available for backorder