Skip to content
About Us Contact Us Latest Articles

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.

Filters

R
R

pocket battery for MicroLogic, ComPact NSX, ComPact NSXm

Schneider Electric
R 1,898.66 - R 1,898.66
R 1,898.66
R 1,898.66 - R 1,898.66
R 1,898.66
6 in stock

Pocket Battery for Micrologic Compact Nsx Compact NsxmPocket Battery for Micrologic Compact Nsx Compact Nsxm is built for safe, reliable use in hom...

View full details
R 1,898.66 - R 1,898.66
R 1,898.66
R 1,898.66 - R 1,898.66
R 1,898.66

breaker status and control module, BSCM, ComPact NSX

Schneider Electric
R 5,056.28 - R 5,056.28
R 5,056.28
R 5,056.28 - R 5,056.28
R 5,056.28
543 in stock

Breaker Status and Control Module Bscm Compact NsxBreaker Status and Control Module Bscm Compact Nsx is built for safe, reliable use in homes, offi...

View full details
R 5,056.28 - R 5,056.28
R 5,056.28
R 5,056.28 - R 5,056.28
R 5,056.28

communication terminal block, NSX cord, ComPact NSX, 3 m length

Schneider Electric
R 1,357.28 - R 1,357.28
R 1,357.28
R 1,357.28 - R 1,357.28
R 1,357.28
1371 in stock

Communication Terminal Block Nsx Cord Compact Nsx 3 M LengthCommunication Terminal Block Nsx Cord Compact Nsx 3 M Length is built for safe, reliabl...

View full details
R 1,357.28 - R 1,357.28
R 1,357.28
R 1,357.28 - R 1,357.28
R 1,357.28

communication terminal block, NSX cord, ComPact NSX, 1.3 m length

Schneider Electric
R 1,250.35 - R 1,250.35
R 1,250.35
R 1,250.35 - R 1,250.35
R 1,250.35
Only 4 left!

Communication Terminal Block Nsx Cord Compact Nsx 1 3 M LengthCommunication Terminal Block Nsx Cord Compact Nsx 1 3 M Length is built for safe, rel...

View full details
R 1,250.35 - R 1,250.35
R 1,250.35
R 1,250.35 - R 1,250.35
R 1,250.35

communication terminal block, NSX cord, ComPact NSX, 0.35 m length

Schneider Electric
R 1,201.28 - R 1,201.28
R 1,201.28
R 1,201.28 - R 1,201.28
R 1,201.28
8 in stock

Communication Terminal Block Nsx Cord Compact Nsx 0 35 M LengthCommunication Terminal Block Nsx Cord Compact Nsx 0 35 M Length is built for safe, r...

View full details
R 1,201.28 - R 1,201.28
R 1,201.28
R 1,201.28 - R 1,201.28
R 1,201.28

circuit breaker ComPact NSX630HB1, 75 kA at 690 VAC, MicroLogic 2.3 trip unit, 630 A, 3 poles 3d

Schneider Electric
R 32,811.49 - R 32,811.49
R 32,811.49
R 32,811.49 - R 32,811.49
R 32,811.49
Only 1 left!

Circuit Breaker Compact Nsx630Hb1 75 Ka At 690 Vac Micrologic 2 3 Trip Unit 630 A 3 Poles 3DCircuit Breaker Compact Nsx630Hb1 75 Ka At 690 Vac Micr...

View full details
R 32,811.49 - R 32,811.49
R 32,811.49
R 32,811.49 - R 32,811.49
R 32,811.49

standard motor mechanism module MT400/630, ComPact NSX400/630, 110/130 VDC

Schneider Electric
R 18,837.12 - R 18,837.12
R 18,837.12
R 18,837.12 - R 18,837.12
R 18,837.12
Only 4 left!

Standard Motor Mechanism Module Mt400 630 Compact Nsx400 630 110 130 VdcStandard Motor Mechanism Module Mt400 630 Compact Nsx400 630 110 130 Vdc is...

View full details
R 18,837.12 - R 18,837.12
R 18,837.12
R 18,837.12 - R 18,837.12
R 18,837.12

LV432641 - Motor mechanism, MT 400-630, Compact NSX400/630, PowerPact Multistandard L, 220 to 240 VAC 50/60 Hz, 208 to 277 VAC 60 Hz

Schneider Electric
R 17,581.31 - R 17,581.31
R 17,581.31
R 17,581.31 - R 17,581.31
R 17,581.31
224 in stock

Lv432641 Motor Mechanism Mt 400 630 Compact Nsx400 630 Powerpact Multistandard L 220 To 240 Vac 50 60 Hz 208 To 277 Vac 60 HzLv432641 Motor Mechani...

View full details
R 17,581.31 - R 17,581.31
R 17,581.31
R 17,581.31 - R 17,581.31
R 17,581.31

toggle padlocking device, fixed adapter, ComPact NSX 400/630, OFF or ON position

Schneider Electric
R 1,262.15 - R 1,262.15
R 1,262.15
R 1,262.15 - R 1,262.15
R 1,262.15
112 in stock

Toggle Padlocking Device Fixed Adapter Compact Nsx 400 630 Off Or On PositionToggle Padlocking Device Fixed Adapter Compact Nsx 400 630 Off Or On P...

View full details
R 1,262.15 - R 1,262.15
R 1,262.15
R 1,262.15 - R 1,262.15
R 1,262.15

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...

View full details
R 739.51 - R 739.51
R 739.51
R 739.51 - R 739.51
R 739.51

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...

View full details
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...

View full details
R 2,561.72 - R 2,561.72
R 2,561.72
R 2,561.72 - R 2,561.72
R 2,561.72

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...

View full details
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,...

View full details
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...

View full details
R 590.22 - R 590.22
R 590.22
R 590.22 - R 590.22
R 590.22

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...

View full details
R 234.27 - R 234.27
R 234.27
R 234.27 - R 234.27
R 234.27

interphase barriers, ComPact NSX 400/630, set of 6 parts

Schneider Electric
R 706.28 - R 706.28
R 706.28
R 706.28 - R 706.28
R 706.28
709 in stock

Interphase Barriers Compact Nsx 400 630 Set Of 6 PartsInterphase Barriers Compact Nsx 400 630 Set Of 6 Parts is built for safe, reliable use in hom...

View full details
R 706.28 - R 706.28
R 706.28
R 706.28 - R 706.28
R 706.28

chassis side plates for breaker, ComPact NSX 400/630, withdrawable, 3/4 poles

Schneider Electric
R 920.22 - R 920.22
R 920.22
R 920.22 - R 920.22
R 920.22
34 in stock

Chassis Side Plates for Breaker Compact Nsx 400 630 Withdrawable 3 4 PolesChassis Side Plates for Breaker Compact Nsx 400 630 Withdrawable 3 4 Pole...

View full details
R 920.22 - R 920.22
R 920.22
R 920.22 - R 920.22
R 920.22

chassis side plates for base, ComPact NSX 400/630, withdrawable, 3/4 poles

Schneider Electric
R 2,724.75 - R 2,724.75
R 2,724.75
R 2,724.75 - R 2,724.75
R 2,724.75
Only 2 left!

Chassis Side Plates for Base Compact Nsx 400 630 Withdrawable 3 4 PolesChassis Side Plates for Base Compact Nsx 400 630 Withdrawable 3 4 Poles is b...

View full details
R 2,724.75 - R 2,724.75
R 2,724.75
R 2,724.75 - R 2,724.75
R 2,724.75

long insulated right angle terminal extensions for plug-in base, ComPact NSX 400/630, set of 2 parts

Schneider Electric
R 1,263.69 - R 1,263.69
R 1,263.69
R 1,263.69 - R 1,263.69
R 1,263.69
106 in stock

Long Insulated Right Angle Terminal Extensions for Plug In Base Compact Nsx 400 630 Set Of 2 PartsLong Insulated Right Angle Terminal Extensions fo...

View full details
R 1,263.69 - R 1,263.69
R 1,263.69
R 1,263.69 - R 1,263.69
R 1,263.69

automatic auxiliary connector support, ComPact NSX 400/630, 3 moving connectors, for circuit breaker

Schneider Electric
R 328.72 - R 328.72
R 328.72
R 328.72 - R 328.72
R 328.72
176 in stock

Automatic Auxiliary Connector Support Compact Nsx 400 630 3 Moving Connectors for Circuit BreakerAutomatic Auxiliary Connector Support Compact Nsx ...

View full details
R 328.72 - R 328.72
R 328.72
R 328.72 - R 328.72
R 328.72

automatic auxiliary connector, moving part, ComPact NSX 400/630, for circuit breaker, 1 to 9 wires

Schneider Electric
R 484.02 - R 484.02
R 484.02
R 484.02 - R 484.02
R 484.02
928 in stock

Automatic Auxiliary Connector Moving Part Compact Nsx 400 630 for Circuit Breaker 1 To 9 WiresAutomatic Auxiliary Connector Moving Part Compact Nsx...

View full details
R 484.02 - R 484.02
R 484.02
R 484.02 - R 484.02
R 484.02

safety trip interlock, ComPact NSX 400/630 plug-in kit

Schneider Electric
R 486.78 - R 486.78
R 486.78
R 486.78 - R 486.78
R 486.78
667 in stock

Safety Trip Interlock Compact Nsx 400 630 Plug In KitSafety Trip Interlock Compact Nsx 400 630 Plug In Kit is built for safe, reliable use in homes...

View full details
R 486.78 - R 486.78
R 486.78
R 486.78 - R 486.78
R 486.78

power connections, ComPact NSX400/630 plug-in kit, set of 2 parts

Schneider Electric
R 888.33 - R 888.33
R 888.33
R 888.33 - R 888.33
R 888.33
1033 in stock

Power Connections Compact Nsx400 630 Plug In Kit Set Of 2 PartsPower Connections Compact Nsx400 630 Plug In Kit Set Of 2 Parts is built for safe, r...

View full details
R 888.33 - R 888.33
R 888.33
R 888.33 - R 888.33
R 888.33