Skip to content

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.

communicating motor mechanism module MTc 400/630, ComPact NSX400/630, 220/240 VAC 50/60 Hz

Schneider Electric
Original price R 28,179.92 - Original price R 28,179.92
Original price
R 28,179.92
R 28,179.92 - R 28,179.92
Current price R 28,179.92
Available for backorder

Communicating Motor Mechanism Module Mtc 400 630 Compact Nsx400 630 220 240 Vac 50 60 HzCommunicating Motor Mechanism Module Mtc 400 630 Compact Ns...

View full details
Original price R 28,179.92 - Original price R 28,179.92
Original price
R 28,179.92
R 28,179.92 - R 28,179.92
Current price R 28,179.92
Available for backorder

keylock adapter for motor mechanism locking, ComPact NSX 400/630, keylock not included

Schneider Electric
Original price R 2,109.29 - Original price R 2,109.29
Original price
R 2,109.29
R 2,109.29 - R 2,109.29
Current price R 2,109.29
Available for backorder

Keylock Adapter for Motor Mechanism Locking Compact Nsx 400 630 Keylock Not IncludedKeylock Adapter for Motor Mechanism Locking Compact Nsx 400 630...

View full details
Original price R 2,109.29 - Original price R 2,109.29
Original price
R 2,109.29
R 2,109.29 - R 2,109.29
Current price R 2,109.29
Available for backorder

operation counter, ComPact NSX400/630, mechanical 5 digit display

Schneider Electric
Original price R 3,409.32 - Original price R 3,409.32
Original price
R 3,409.32
R 3,409.32 - R 3,409.32
Current price R 3,409.32
Available for backorder

Operation Counter Compact Nsx400 630 Mechanical 5 Digit DisplayOperation Counter Compact Nsx400 630 Mechanical 5 Digit Display is built for safe, r...

View full details
Original price R 3,409.32 - Original price R 3,409.32
Original price
R 3,409.32
R 3,409.32 - R 3,409.32
Current price R 3,409.32
Available for backorder

standard motor mechanism module MT400/630, ComPact NSX400/630, 440/480 VAC 60 Hz

Schneider Electric
Original price R 18,837.12 - Original price R 18,837.12
Original price
R 18,837.12
R 18,837.12 - R 18,837.12
Current price R 18,837.12
Available for backorder

Standard Motor Mechanism Module Mt400 630 Compact Nsx400 630 440 480 Vac 60 HzStandard Motor Mechanism Module Mt400 630 Compact Nsx400 630 440 480 ...

View full details
Original price R 18,837.12 - Original price R 18,837.12
Original price
R 18,837.12
R 18,837.12 - R 18,837.12
Current price R 18,837.12
Available for backorder

standard motor mechanism module MT400/630, ComPact NSX400/630, 24/30 VDC

Schneider Electric
Original price R 18,837.12 - Original price R 18,837.12
Original price
R 18,837.12
R 18,837.12 - R 18,837.12
Current price R 18,837.12
Available for backorder

Standard Motor Mechanism Module Mt400 630 Compact Nsx400 630 24 30 VdcStandard Motor Mechanism Module Mt400 630 Compact Nsx400 630 24 30 Vdc is bui...

View full details
Original price R 18,837.12 - Original price R 18,837.12
Original price
R 18,837.12
R 18,837.12 - R 18,837.12
Current price R 18,837.12
Available for backorder

standard motor mechanism module MT400/630, ComPact NSX400/630, 380/415 VAC 50/60 Hz

Schneider Electric
Original price R 17,581.31 - Original price R 17,581.31
Original price
R 17,581.31
R 17,581.31 - R 17,581.31
Current price R 17,581.31
Available for backorder

Standard Motor Mechanism Module Mt400 630 Compact Nsx400 630 380 415 Vac 50 60 HzStandard Motor Mechanism Module Mt400 630 Compact Nsx400 630 380 4...

View full details
Original price R 17,581.31 - Original price R 17,581.31
Original price
R 17,581.31
R 17,581.31 - R 17,581.31
Current price R 17,581.31
Available for backorder

standard motor mechanism module MT400/630, ComPact NSX400/630, 110/130 VAC 50/60 Hz

Schneider Electric
Original price R 17,581.31 - Original price R 17,581.31
Original price
R 17,581.31
R 17,581.31 - R 17,581.31
Current price R 17,581.31
Available for backorder

Standard Motor Mechanism Module Mt400 630 Compact Nsx400 630 110 130 Vac 50 60 HzStandard Motor Mechanism Module Mt400 630 Compact Nsx400 630 110 1...

View full details
Original price R 17,581.31 - Original price R 17,581.31
Original price
R 17,581.31
R 17,581.31 - R 17,581.31
Current price R 17,581.31
Available for backorder

mechanical interlocking for rotary handle, ComPacT NSX 400/630

Schneider Electric
Original price R 2,973.56 - Original price R 2,973.56
Original price
R 2,973.56
R 2,973.56 - R 2,973.56
Current price R 2,973.56
Available for backorder

Mechanical Interlocking for Rotary Handle Compact Nsx 400 630Mechanical Interlocking for Rotary Handle Compact Nsx 400 630 is built for safe, relia...

View full details
Original price R 2,973.56 - Original price R 2,973.56
Original price
R 2,973.56
R 2,973.56 - R 2,973.56
Current price R 2,973.56
Available for backorder

mechanical interlocking for extended rotary handle, ComPacT NSX 400/630

Schneider Electric
Original price R 2,973.56 - Original price R 2,973.56
Original price
R 2,973.56
R 2,973.56 - R 2,973.56
Current price R 2,973.56
Available for backorder

Mechanical Interlocking for Extended Rotary Handle Compact Nsx 400 630Mechanical Interlocking for Extended Rotary Handle Compact Nsx 400 630 is bui...

View full details
Original price R 2,973.56 - Original price R 2,973.56
Original price
R 2,973.56
R 2,973.56 - R 2,973.56
Current price R 2,973.56
Available for backorder

mechanical interlocking for toggle, ComPacT NSX 400/630

Schneider Electric
Original price R 3,744.26 - Original price R 3,744.26
Original price
R 3,744.26
R 3,744.26 - R 3,744.26
Current price R 3,744.26
Available for backorder

Mechanical Interlocking for Toggle Compact Nsx 400 630Mechanical Interlocking for Toggle Compact Nsx 400 630 is built for safe, reliable use in hom...

View full details
Original price R 3,744.26 - Original price R 3,744.26
Original price
R 3,744.26
R 3,744.26 - R 3,744.26
Current price R 3,744.26
Available for backorder

mechanical interlocking with toggles, ComPact NSX 400/630, for 2 fixed or plug-in devices

Schneider Electric
Original price R 3,744.26 - Original price R 3,744.26
Original price
R 3,744.26
R 3,744.26 - R 3,744.26
Current price R 3,744.26
Available for backorder

Mechanical Interlocking With Toggles Compact Nsx 400 630 for 2 Fixed Or Plug In DevicesMechanical Interlocking With Toggles Compact Nsx 400 630 for...

View full details
Original price R 3,744.26 - Original price R 3,744.26
Original price
R 3,744.26
R 3,744.26 - R 3,744.26
Current price R 3,744.26
Available for backorder

extended rotary handle, ComPacT NSX 400/630, black handle, telescopic shaft 272 to 600 mm for withdrawable device, IP55

Schneider Electric
Original price R 4,134.89 - Original price R 4,134.89
Original price
R 4,134.89
R 4,134.89 - R 4,134.89
Current price R 4,134.89
Available for backorder

Extended Rotary Handle Compact Nsx 400 630 Black Handle Telescopic Shaft 272 To 600 Mm for Withdrawable Device Ip55 1Extended Rotary Handle Compact...

View full details
Original price R 4,134.89 - Original price R 4,134.89
Original price
R 4,134.89
R 4,134.89 - R 4,134.89
Current price R 4,134.89
Available for backorder

extended rotary handle, ComPacT NSX 400/630, red handle on yellow front, shaft length 209 to 600 mm, IP55

Schneider Electric
Original price R 3,755.18 - Original price R 3,755.18
Original price
R 3,755.18
R 3,755.18 - R 3,755.18
Current price R 3,755.18
Available for backorder

Extended Rotary Handle Compact Nsx 400 630 Red Handle On Yellow Front Shaft Length 209 To 600 Mm Ip55 1Extended Rotary Handle Compact Nsx 400 630 R...

View full details
Original price R 3,755.18 - Original price R 3,755.18
Original price
R 3,755.18
R 3,755.18 - R 3,755.18
Current price R 3,755.18
Available for backorder

direct rotary handle, ComPacT NSX 400/630, red handle on yellow front, IP40

Schneider Electric
Original price R 2,026.59 - Original price R 2,026.59
Original price
R 2,026.59
R 2,026.59 - R 2,026.59
Current price R 2,026.59
Available for backorder

Direct Rotary Handle Compact Nsx 400 630 Red Handle On Yellow Front Ip40 1Direct Rotary Handle Compact Nsx 400 630 Red Handle On Yellow Front Ip40 ...

View full details
Original price R 2,026.59 - Original price R 2,026.59
Original price
R 2,026.59
R 2,026.59 - R 2,026.59
Current price R 2,026.59
Available for backorder

LV432596 - long terminal shield for spreaders, Compact NSX, EasyPact CVS, 4 poles, pitch 52.5 mm

Schneider Electric
Original price R 1,795.21 - Original price R 1,795.21
Original price
R 1,795.21
R 1,795.21 - R 1,795.21
Current price R 1,795.21
Available for backorder

Lv432596 Long Terminal Shield for Spreaders Compact Nsx Easypact Cvs 4 Poles Pitch 52 5 MmLv432596 Long Terminal Shield for Spreaders Compact Nsx E...

View full details
Original price R 1,795.21 - Original price R 1,795.21
Original price
R 1,795.21
R 1,795.21 - R 1,795.21
Current price R 1,795.21
Available for backorder

45° terminal extensions, ComPact NSX 400/630, set of 3 parts

Schneider Electric
Original price R 959.70 - Original price R 959.70
Original price
R 959.70
R 959.70 - R 959.70
Current price R 959.70
Available for backorder

45 Terminal Extensions Compact Nsx 400 630 Set Of 3 Parts45 Terminal Extensions Compact Nsx 400 630 Set Of 3 Parts is built for safe, reliable use ...

View full details
Original price R 959.70 - Original price R 959.70
Original price
R 959.70
R 959.70 - R 959.70
Current price R 959.70
Available for backorder

connection adapter for plug in base, ComPact NSX 400/630, 4 poles

Schneider Electric
Original price R 327.95 - Original price R 327.95
Original price
R 327.95
R 327.95 - R 327.95
Current price R 327.95
Available for backorder

Connection Adapter for Plug In Base Compact Nsx 400 630 4 PolesConnection Adapter for Plug In Base Compact Nsx 400 630 4 Poles is built for safe, r...

View full details
Original price R 327.95 - Original price R 327.95
Original price
R 327.95
R 327.95 - R 327.95
Current price R 327.95
Available for backorder

rear insulation screens, ComPact NSX400/630, 3 poles, pitch 70mm, set of 2 parts

Schneider Electric
Original price R 678.42 - Original price R 678.42
Original price
R 678.42
R 678.42 - R 678.42
Current price R 678.42
Available for backorder

Rear Insulation Screens Compact Nsx400 630 3 Poles Pitch 70Mm Set Of 2 PartsRear Insulation Screens Compact Nsx400 630 3 Poles Pitch 70Mm Set Of 2 ...

View full details
Original price R 678.42 - Original price R 678.42
Original price
R 678.42
R 678.42 - R 678.42
Current price R 678.42
Available for backorder

NS retrofit escutcheon, ComPact NSX400/630, small cut-out

Schneider Electric
Original price R 419.71 - Original price R 419.71
Original price
R 419.71
R 419.71 - R 419.71
Current price R 419.71
Available for backorder

Ns Retrofit Escutcheon Compact Nsx400 630 Small Cut OutNs Retrofit Escutcheon Compact Nsx400 630 Small Cut Out is built for safe, reliable use in h...

View full details
Original price R 419.71 - Original price R 419.71
Original price
R 419.71
R 419.71 - R 419.71
Current price R 419.71
Available for backorder

escutcheon for toggle with trip unit access, fixed ComPact NSX400/630, IP30

Schneider Electric
Original price R 376.01 - Original price R 376.01
Original price
R 376.01
R 376.01 - R 376.01
Current price R 376.01
Available for backorder

Escutcheon for Toggle With Trip Unit Access Fixed Compact Nsx400 630 Ip30Escutcheon for Toggle With Trip Unit Access Fixed Compact Nsx400 630 Ip30 ...

View full details
Original price R 376.01 - Original price R 376.01
Original price
R 376.01
R 376.01 - R 376.01
Current price R 376.01
Available for backorder

escutcheon for all control types, fixed ComPact NSX400/630, IP40

Schneider Electric
Original price R 948.57 - Original price R 948.57
Original price
R 948.57
R 948.57 - R 948.57
Current price R 948.57
Available for backorder

Escutcheon for All Control Types Fixed Compact Nsx400 630 Ip40Escutcheon for All Control Types Fixed Compact Nsx400 630 Ip40 is built for safe, rel...

View full details
Original price R 948.57 - Original price R 948.57
Original price
R 948.57
R 948.57 - R 948.57
Current price R 948.57
Available for backorder

toggle extension, ComPact NSX400/630, set of 5 spare parts

Schneider Electric
Original price R 1,163.85 - Original price R 1,163.85
Original price
R 1,163.85
R 1,163.85 - R 1,163.85
Current price R 1,163.85
Available for backorder

Toggle Extension Compact Nsx400 630 Set Of 5 Spare PartsToggle Extension Compact Nsx400 630 Set Of 5 Spare Parts is built for safe, reliable use in...

View full details
Original price R 1,163.85 - Original price R 1,163.85
Original price
R 1,163.85
R 1,163.85 - R 1,163.85
Current price R 1,163.85
Available for backorder

bag of screws, ComPact NSX400/630, EasyPact CVS CVS400/630

Schneider Electric
Original price R 435.84 - Original price R 435.84
Original price
R 435.84
R 435.84 - R 435.84
Current price R 435.84
Available for backorder

Bag Of Screws Compact Nsx400 630 Easypact Cvs Cvs400 630Bag Of Screws Compact Nsx400 630 Easypact Cvs Cvs400 630 is built for safe, reliable use in...

View full details
Original price R 435.84 - Original price R 435.84
Original price
R 435.84
R 435.84 - R 435.84
Current price R 435.84
Available for backorder

plug-in kit, ComPact NSX 400/630 with Vigi add-on module, 4 poles

Schneider Electric
Original price R 11,043.93 - Original price R 11,043.93
Original price
R 11,043.93
R 11,043.93 - R 11,043.93
Current price R 11,043.93
Available for backorder

Plug In Kit Compact Nsx 400 630 With Vigi Add On Module 4 PolesPlug In Kit Compact Nsx 400 630 With Vigi Add On Module 4 Poles is built for safe, r...

View full details
Original price R 11,043.93 - Original price R 11,043.93
Original price
R 11,043.93
R 11,043.93 - R 11,043.93
Current price R 11,043.93
Available for backorder