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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.

circuit breaker basic frame, ComPacT NSX250N, 50 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 4 poles

Schneider Electric
Original price R 8,206.38 - Original price R 8,206.38
Original price
R 8,206.38
R 8,206.38 - R 8,206.38
Current price R 8,206.38
29 in stock

Circuit Breaker Basic Frame Compact Nsx250N 50 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 4 PolesCircuit Breaker Basic Frame Compact Nsx250N 50...

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Original price R 8,206.38 - Original price R 8,206.38
Original price
R 8,206.38
R 8,206.38 - R 8,206.38
Current price R 8,206.38

circuit breaker basic frame, ComPacT NSX250N, 50 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 3 poles

Schneider Electric
Original price R 6,312.59 - Original price R 6,312.59
Original price
R 6,312.59
R 6,312.59 - R 6,312.59
Current price R 6,312.59
980 in stock

Circuit Breaker Basic Frame Compact Nsx250N 50 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250N 50...

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Original price R 6,312.59 - Original price R 6,312.59
Original price
R 6,312.59
R 6,312.59 - R 6,312.59
Current price R 6,312.59

circuit breaker basic frame, ComPacT NSX250L, 150 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 3 poles

Schneider Electric
Original price R 8,402.05 - Original price R 8,402.05
Original price
R 8,402.05
R 8,402.05 - R 8,402.05
Current price R 8,402.05
140 in stock

Circuit Breaker Basic Frame Compact Nsx250L 150 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250L 1...

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Original price R 8,402.05 - Original price R 8,402.05
Original price
R 8,402.05
R 8,402.05 - R 8,402.05
Current price R 8,402.05

circuit breaker basic frame, ComPacT NSX250H, 70 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 3 poles

Schneider Electric
Original price R 6,943.85 - Original price R 6,943.85
Original price
R 6,943.85
R 6,943.85 - R 6,943.85
Current price R 6,943.85
148 in stock

Circuit Breaker Basic Frame Compact Nsx250H 70 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250H 70...

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Original price R 6,943.85 - Original price R 6,943.85
Original price
R 6,943.85
R 6,943.85 - R 6,943.85
Current price R 6,943.85

circuit breaker basic frame, ComPacT NSX250F, 36 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 4 poles

Schneider Electric
Original price R 7,460.31 - Original price R 7,460.31
Original price
R 7,460.31
R 7,460.31 - R 7,460.31
Current price R 7,460.31
218 in stock

Circuit Breaker Basic Frame Compact Nsx250F 36 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 4 PolesCircuit Breaker Basic Frame Compact Nsx250F 36...

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Original price R 7,460.31 - Original price R 7,460.31
Original price
R 7,460.31
R 7,460.31 - R 7,460.31
Current price R 7,460.31

Circuit breaker basic frame, ComPacT NSX250F DC, 36kA at 750 VDC, 250A, without trip unit, 3 poles

Schneider Electric
Original price R 6,525.93 - Original price R 6,525.93
Original price
R 6,525.93
R 6,525.93 - R 6,525.93
Current price R 6,525.93
Only 5 left!

Circuit Breaker Basic Frame Compact Nsx250F Dc 36Ka At 750 Vdc 250A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250F Dc 36Ka At...

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Original price R 6,525.93 - Original price R 6,525.93
Original price
R 6,525.93
R 6,525.93 - R 6,525.93
Current price R 6,525.93

circuit breaker basic frame, ComPacT NSX250F, 36 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 3 poles

Schneider Electric
Original price R 5,738.71 - Original price R 5,738.71
Original price
R 5,738.71
R 5,738.71 - R 5,738.71
Current price R 5,738.71
2616 in stock

Circuit Breaker Basic Frame Compact Nsx250F 36 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250F 36...

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Original price R 5,738.71 - Original price R 5,738.71
Original price
R 5,738.71
R 5,738.71 - R 5,738.71
Current price R 5,738.71

circuit breaker basic frame, ComPacT NSX250B, 25 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 4 poles

Schneider Electric
Original price R 7,105.09 - Original price R 7,105.09
Original price
R 7,105.09
R 7,105.09 - R 7,105.09
Current price R 7,105.09
92 in stock

Circuit Breaker Basic Frame Compact Nsx250B 25 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 4 PolesCircuit Breaker Basic Frame Compact Nsx250B 25...

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Original price R 7,105.09 - Original price R 7,105.09
Original price
R 7,105.09
R 7,105.09 - R 7,105.09
Current price R 7,105.09

circuit breaker basic frame, ComPacT NSX250B, 25 kA at 415 VAC 50/60 Hz, 250 A, without trip unit, 3 poles

Schneider Electric
Original price R 5,465.45 - Original price R 5,465.45
Original price
R 5,465.45
R 5,465.45 - R 5,465.45
Current price R 5,465.45
142 in stock

Circuit Breaker Basic Frame Compact Nsx250B 25 Ka At 415 Vac 50 60 Hz 250 A Without Trip Unit 3 PolesCircuit Breaker Basic Frame Compact Nsx250B 25...

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Original price R 5,465.45 - Original price R 5,465.45
Original price
R 5,465.45
R 5,465.45 - R 5,465.45
Current price R 5,465.45

trip unit TM250D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 250 A, 4 poles 3d

Schneider Electric
Original price R 7,396.87 - Original price R 7,396.87
Original price
R 7,396.87
R 7,396.87 - R 7,396.87
Current price R 7,396.87
14 in stock

Click here to view spec sheet.

Original price R 7,396.87 - Original price R 7,396.87
Original price
R 7,396.87
R 7,396.87 - R 7,396.87
Current price R 7,396.87

trip unit TM200D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 200 A, 4 poles 3d

Schneider Electric
Original price R 6,805.08 - Original price R 6,805.08
Original price
R 6,805.08
R 6,805.08 - R 6,805.08
Current price R 6,805.08
33 in stock

Click here to view spec sheet.

Original price R 6,805.08 - Original price R 6,805.08
Original price
R 6,805.08
R 6,805.08 - R 6,805.08
Current price R 6,805.08

trip unit TM160D for ComPacT NSX 160/250 circuit breakers, thermal magnetic, rating 160 A, 4 poles 3d

Schneider Electric
Original price R 4,341.00 - Original price R 4,341.00
Original price
R 4,341.00
R 4,341.00 - R 4,341.00
Current price R 4,341.00
Only 2 left!

Original price R 4,341.00 - Original price R 4,341.00
Original price
R 4,341.00
R 4,341.00 - R 4,341.00
Current price R 4,341.00

trip unit TM250D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 250 A, 4 poles 4d

Schneider Electric
Original price R 8,013.25 - Original price R 8,013.25
Original price
R 8,013.25
R 8,013.25 - R 8,013.25
Current price R 8,013.25
128 in stock

Original price R 8,013.25 - Original price R 8,013.25
Original price
R 8,013.25
R 8,013.25 - R 8,013.25
Current price R 8,013.25

trip unit TM200D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 200 A, 4 poles 4d

Schneider Electric
Original price R 7,372.19 - Original price R 7,372.19
Original price
R 7,372.19
R 7,372.19 - R 7,372.19
Current price R 7,372.19
16 in stock

Click here to view spec sheet.

Original price R 7,372.19 - Original price R 7,372.19
Original price
R 7,372.19
R 7,372.19 - R 7,372.19
Current price R 7,372.19

trip unit MicroLogic 2.2 for ComPacT NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d

Schneider Electric
Original price R 5,065.50 - Original price R 5,065.50
Original price
R 5,065.50
R 5,065.50 - R 5,065.50
Current price R 5,065.50
54 in stock

Trip Unit Micrologic 2 2 for Compact Nsx 250 Circuit Breakers Electronic Rating 250A 4 Poles 4DTrip Unit Micrologic 2 2 for Compact Nsx 250 Circuit...

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Original price R 5,065.50 - Original price R 5,065.50
Original price
R 5,065.50
R 5,065.50 - R 5,065.50
Current price R 5,065.50

Trip unit TM250DC, ComPacT NSX 250 DC, thermal magnetic, 250A rating, 3 Poles 3d

Schneider Electric
Original price R 4,038.56 - Original price R 4,038.56
Original price
R 4,038.56
R 4,038.56 - R 4,038.56
Current price R 4,038.56
36 in stock

Click here to view spec sheet.

Original price R 4,038.56 - Original price R 4,038.56
Original price
R 4,038.56
R 4,038.56 - R 4,038.56
Current price R 4,038.56

trip unit TM250D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 250 A, 3 poles 3d

Schneider Electric
Original price R 3,247.13 - Original price R 3,247.13
Original price
R 3,247.13
R 3,247.13 - R 3,247.13
Current price R 3,247.13
1933 in stock

Click here to view spec sheet.

Original price R 3,247.13 - Original price R 3,247.13
Original price
R 3,247.13
R 3,247.13 - R 3,247.13
Current price R 3,247.13

trip unit TM200D for ComPacT NSX 250 circuit breakers, thermal magnetic, rating 200 A, 3 poles 3d

Schneider Electric
Original price R 3,105.95 - Original price R 3,105.95
Original price
R 3,105.95
R 3,105.95 - R 3,105.95
Current price R 3,105.95
441 in stock

Click here to view spec sheet.

Original price R 3,105.95 - Original price R 3,105.95
Original price
R 3,105.95
R 3,105.95 - R 3,105.95
Current price R 3,105.95

trip unit TM160D for ComPacT NSX 160/250 circuit breakers, thermal magnetic, rating 160 A, 3 poles 3d

Schneider Electric
Original price R 2,188.30 - Original price R 2,188.30
Original price
R 2,188.30
R 2,188.30 - R 2,188.30
Current price R 2,188.30
33 in stock

Click here to view spec sheet.

Original price R 2,188.30 - Original price R 2,188.30
Original price
R 2,188.30
R 2,188.30 - R 2,188.30
Current price R 2,188.30

trip unit MA220 for ComPacT NSX 250 circuit breakers, magnetic, rating 220 A, 3 poles 3d

Schneider Electric
Original price R 4,199.71 - Original price R 4,199.71
Original price
R 4,199.71
R 4,199.71 - R 4,199.71
Current price R 4,199.71
145 in stock

Trip Unit Ma220 for Compact Nsx 250 Circuit Breakers Magnetic Rating 220 A 3 Poles 3DTrip Unit Ma220 for Compact Nsx 250 Circuit Breakers Magnetic ...

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Original price R 4,199.71 - Original price R 4,199.71
Original price
R 4,199.71
R 4,199.71 - R 4,199.71
Current price R 4,199.71

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

Schneider Electric
Original price R 5,964.25 - Original price R 5,964.25
Original price
R 5,964.25
R 5,964.25 - R 5,964.25
Current price R 5,964.25
16 in stock

Click here to view spec sheet.

Original price R 5,964.25 - Original price R 5,964.25
Original price
R 5,964.25
R 5,964.25 - R 5,964.25
Current price R 5,964.25

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

Schneider Electric
Original price R 4,929.14 - Original price R 4,929.14
Original price
R 4,929.14
R 4,929.14 - R 4,929.14
Current price R 4,929.14
1297 in stock

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

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Original price R 4,929.14 - Original price R 4,929.14
Original price
R 4,929.14
R 4,929.14 - R 4,929.14
Current price R 4,929.14

trip unit MicroLogic 2.2 M for ComPacT NSX 250 circuit breakers, electronic, rating 220 A, 3 poles 3d

Schneider Electric
Original price R 7,139.47 - Original price R 7,139.47
Original price
R 7,139.47
R 7,139.47 - R 7,139.47
Current price R 7,139.47
Only 3 left!

Trip Unit Micrologic 2 2 M for Compact Nsx 250 Circuit Breakers Electronic Rating 220 A 3 Poles 3DTrip Unit Micrologic 2 2 M for Compact Nsx 250 Ci...

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Original price R 7,139.47 - Original price R 7,139.47
Original price
R 7,139.47
R 7,139.47 - R 7,139.47
Current price R 7,139.47

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

Schneider Electric
Original price R 3,896.55 - Original price R 3,896.55
Original price
R 3,896.55
R 3,896.55 - R 3,896.55
Current price R 3,896.55
243 in stock

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

View full details
Original price R 3,896.55 - Original price R 3,896.55
Original price
R 3,896.55
R 3,896.55 - R 3,896.55
Current price R 3,896.55