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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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R
R
Available for backorder

mechanical interlocking for rotary handle, ComPacT NSX 400/630

Schneider Electric
R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
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...

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R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
R 2,973.56
Available for backorder
Available for backorder

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

Schneider Electric
R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
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...

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R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
R 2,973.56
Available for backorder
Available for backorder

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

Schneider Electric
R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
R 2,973.56
Available for backorder

Mechanical Interlocking With Rotary Handles Compact Nsx 400 630 for 2 Fixed Or Plug In DevicesMechanical Interlocking With Rotary Handles Compact N...

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R 2,973.56 - R 2,973.56
R 2,973.56
R 2,973.56 - R 2,973.56
R 2,973.56
Available for backorder
Available for backorder

mechanical interlocking for toggle, ComPacT NSX 400/630

Schneider Electric
R 3,744.26 - R 3,744.26
R 3,744.26
R 3,744.26 - R 3,744.26
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...

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R 3,744.26 - R 3,744.26
R 3,744.26
R 3,744.26 - R 3,744.26
R 3,744.26
Available for backorder
Available for backorder

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

Schneider Electric
R 3,744.26 - R 3,744.26
R 3,744.26
R 3,744.26 - R 3,744.26
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...

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R 3,744.26 - R 3,744.26
R 3,744.26
R 3,744.26 - R 3,744.26
R 3,744.26
Available for backorder
Available for backorder

conversion accessory for direct rotary handle, ComPacT NSX400 to NSX630, MCC switchboard control, IP43

Schneider Electric
R 1,635.86 - R 1,635.86
R 1,635.86
R 1,635.86 - R 1,635.86
R 1,635.86
Available for backorder

Conversion Accessory for Direct Rotary Handle Compact Nsx400 To Nsx630 Mcc Switchboard Control Ip43Conversion Accessory for Direct Rotary Handle Co...

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R 1,635.86 - R 1,635.86
R 1,635.86
R 1,635.86 - R 1,635.86
R 1,635.86
Available for backorder
Available for backorder

standard early break contact, ComPact NSX400 to NSX630, rotary handle position CAO, 1 changeover contact type

Schneider Electric
R 1,911.14 - R 1,911.14
R 1,911.14
R 1,911.14 - R 1,911.14
R 1,911.14
Available for backorder

Standard Early Break Contact Compact Nsx400 To Nsx630 Rotary Handle Position Cao 1 Changeover Contact TypeStandard Early Break Contact Compact Nsx4...

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R 1,911.14 - R 1,911.14
R 1,911.14
R 1,911.14 - R 1,911.14
R 1,911.14
Available for backorder

keylock adapter for rotary handle locking, ComPact NSX 400/630, keylock not included

Schneider Electric
R 739.51 - R 739.51
R 739.51
R 739.51 - R 739.51
R 739.51
63 in stock

Keylock Adapter for Rotary Handle Locking Compact Nsx 400 630 Keylock Not IncludedKeylock Adapter for Rotary Handle Locking Compact Nsx 400 630 Key...

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R 739.51 - R 739.51
R 739.51
R 739.51 - R 739.51
R 739.51
Available for backorder

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

Schneider Electric
R 4,134.89 - R 4,134.89
R 4,134.89
R 4,134.89 - R 4,134.89
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...

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R 4,134.89 - R 4,134.89
R 4,134.89
R 4,134.89 - R 4,134.89
R 4,134.89
Available for backorder
Available for backorder

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

Schneider Electric
R 4,134.89 - R 4,134.89
R 4,134.89
R 4,134.89 - R 4,134.89
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 Ip55Extended Rotary Handle Compact N...

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R 4,134.89 - R 4,134.89
R 4,134.89
R 4,134.89 - R 4,134.89
R 4,134.89
Available for backorder
Available for backorder

conversion accessory for direct rotary handle, ComPacT NSX400 to NSX630, CNOMO machine tool control, IP54

Schneider Electric
R 1,996.25 - R 1,996.25
R 1,996.25
R 1,996.25 - R 1,996.25
R 1,996.25
Available for backorder

Conversion Accessory for Direct Rotary Handle Compact Nsx400 To Nsx630 Cnomo Machine Tool Control Ip54Conversion Accessory for Direct Rotary Handle...

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R 1,996.25 - R 1,996.25
R 1,996.25
R 1,996.25 - R 1,996.25
R 1,996.25
Available for backorder
Available for backorder

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

Schneider Electric
R 3,755.18 - R 3,755.18
R 3,755.18
R 3,755.18 - R 3,755.18
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...

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R 3,755.18 - R 3,755.18
R 3,755.18
R 3,755.18 - R 3,755.18
R 3,755.18
Available for backorder
Available for backorder

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

Schneider Electric
R 3,755.18 - R 3,755.18
R 3,755.18
R 3,755.18 - R 3,755.18
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 Ip55Extended Rotary Handle Compact Nsx 400 630 Red...

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R 3,755.18 - R 3,755.18
R 3,755.18
R 3,755.18 - R 3,755.18
R 3,755.18
Available for backorder
Available for backorder

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

Schneider Electric
R 2,026.59 - R 2,026.59
R 2,026.59
R 2,026.59 - R 2,026.59
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 ...

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R 2,026.59 - R 2,026.59
R 2,026.59
R 2,026.59 - R 2,026.59
R 2,026.59
Available for backorder
Available for backorder

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

Schneider Electric
R 2,026.58 - R 2,026.58
R 2,026.58
R 2,026.58 - R 2,026.58
R 2,026.58
Available for backorder

Direct Rotary Handle Compact Nsx 400 630 Red Handle On Yellow Front Ip40Direct Rotary Handle Compact Nsx 400 630 Red Handle On Yellow Front Ip40 is...

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R 2,026.58 - R 2,026.58
R 2,026.58
R 2,026.58 - R 2,026.58
R 2,026.58
Available for backorder

extended rotary handle, ComPacT NSX 400/630, black handle, shaft length 209 to 600 mm, IP55

Schneider Electric
R 2,783.25 - R 2,783.25
R 2,783.25
R 2,783.25 - R 2,783.25
R 2,783.25
145 in stock

Extended Rotary Handle Compact Nsx 400 630 Black Handle Shaft Length 209 To 600 Mm Ip55Extended Rotary Handle Compact Nsx 400 630 Black Handle Shaf...

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R 2,783.25 - R 2,783.25
R 2,783.25
R 2,783.25 - R 2,783.25
R 2,783.25

direct rotary handle, ComPacT NSX 400/630, black handle, IP40

Schneider Electric
R 2,561.72 - R 2,561.72
R 2,561.72
R 2,561.72 - R 2,561.72
R 2,561.72
116 in stock

Direct Rotary Handle Compact Nsx 400 630 Black Handle Ip40 1Direct Rotary Handle Compact Nsx 400 630 Black Handle Ip40 1 is built for safe, reliabl...

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R 2,561.72 - R 2,561.72
R 2,561.72
R 2,561.72 - R 2,561.72
R 2,561.72
Available for backorder

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

Schneider Electric
R 1,795.21 - R 1,795.21
R 1,795.21
R 1,795.21 - R 1,795.21
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...

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R 1,795.21 - R 1,795.21
R 1,795.21
R 1,795.21 - R 1,795.21
R 1,795.21
Available for backorder

long terminal shield for spreaders, ComPact NSX400/630, pitch 52.5 mm, IP40, 3 poles

Schneider Electric
R 1,282.30 - R 1,282.30
R 1,282.30
R 1,282.30 - R 1,282.30
R 1,282.30
43 in stock

Long Terminal Shield for Spreaders Compact Nsx400 630 Pitch 52 5 Mm Ip40 3 PolesLong Terminal Shield for Spreaders Compact Nsx400 630 Pitch 52 5 Mm...

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R 1,282.30 - R 1,282.30
R 1,282.30
R 1,282.30 - R 1,282.30
R 1,282.30

long terminal shield, ComPact NSX400/630, pitch 45 mm, IP40, 3 poles

Schneider Electric
R 780.33 - R 780.33
R 780.33
R 780.33 - R 780.33
R 780.33
494 in stock

Long Terminal Shield Compact Nsx400 630 Pitch 45 Mm Ip40 3 PolesLong Terminal Shield Compact Nsx400 630 Pitch 45 Mm Ip40 3 Poles is built for safe,...

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R 780.33 - R 780.33
R 780.33
R 780.33 - R 780.33
R 780.33

short terminal shield, ComPact NSX400/630, pitch 45 mm, IP40, 3 poles

Schneider Electric
R 590.22 - R 590.22
R 590.22
R 590.22 - R 590.22
R 590.22
878 in stock

Short Terminal Shield Compact Nsx400 630 Pitch 45 Mm Ip40 3 PolesShort Terminal Shield Compact Nsx400 630 Pitch 45 Mm Ip40 3 Poles is built for saf...

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R 590.22 - R 590.22
R 590.22
R 590.22 - R 590.22
R 590.22
Available for backorder

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

Schneider Electric
R 959.70 - R 959.70
R 959.70
R 959.70 - R 959.70
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 ...

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R 959.70 - R 959.70
R 959.70
R 959.70 - R 959.70
R 959.70
Available for backorder
Available for backorder

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

Schneider Electric
R 327.95 - R 327.95
R 327.95
R 327.95 - R 327.95
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...

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R 327.95 - R 327.95
R 327.95
R 327.95 - R 327.95
R 327.95
Available for backorder

connection adapter for plug in base, ComPact NSX 400/630, 3 poles

Schneider Electric
R 234.27 - R 234.27
R 234.27
R 234.27 - R 234.27
R 234.27
338 in stock

Connection Adapter for Plug In Base Compact Nsx 400 630 3 PolesConnection Adapter for Plug In Base Compact Nsx 400 630 3 Poles is built for safe, r...

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R 234.27 - R 234.27
R 234.27
R 234.27 - R 234.27
R 234.27