| Number of poles | Filter products by 3P |
|---|
Schneider ElectricMoulded Case Circuit Breakers (MCCBs)
C40S3TM400D – Circuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles | Schneider Electric
Order code
Per unit · volume pricing available on request
Listed in stock — availability is re-confirmed on every order
In stock — 1–2 working days if stocked locally, 3–5 working days if sourced
Circuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles — Schneider Electric order code C40S3TM400D.
View on the Schneider Electric site (opens in a new tab)
Select a variant in this series
Every option is a reference in this catalogue. A faded option changes more than one value — its nearest reference is linked.
Ordering & delivery
- Contact us for bulk pricing, lead times and ordering codes.
- Minimum order: 1 unit.
- Manufacturer's standard warranty applies.
- Collection from our branch, delivery in the Johannesburg area, and export across Africa on request.
- Some items are held off-site rather than in our own warehouse — availability is confirmed on every order.
- Authorised Schneider Electric distributor
- Genuine product with manufacturer warranty
- Formal quotations with written lead times
Overview
C40S3TM400D — Circuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles by Schneider Electric. Listed under Moulded Case Circuit Breakers (MCCBs) on the Schneider Electric catalogue at RMS-SE.Africa.
About C40S3TM400D
ComPacT NSX 400S DC is a complete 3 poles fixed circuit breaker designed to optimize space and breaking capacity. It’s an optimal choice for applications using DC voltages. The breaking capacity (Icu) is 100kA rms at 750VDC. The operational voltage is 750VDC. This product embeds a 400A rating thermal-magnetic trip unit (TM-DC). TM-DC trip unit provides an adjustable thermal overload protection and an adjustable magnetic protection. This 4 poles version (255mm x 140mm x 110mm) comes with a variety of optional functions and accessories. It is compliant with international standards (IEC 60947), CCC, EAC and marine specifications.
C40S3TM400D key specifications
number of poles 3P.
Ordering information for C40S3TM400D
- Order code:
C40S3TM400D - Manufacturer: Schneider Electric
- Range: ComPacT NSX (2021)
- GTIN / EAN: 3606481995063
- ETIM class: EC000228
- Datasheet: manufacturer datasheet for C40S3TM400D
Prices in ZAR excluding VAT; stock and lead time are confirmed on every written quotation from RMS Measurement & Control, Johannesburg.
Documents
Published by the manufacturer for this part. Each one opens in a new tab.
Technical specifications
Data supplied by the manufacturer. Confirm against the official datasheet before ordering.
Identification & ordering
| Brand | Filter products by Schneider Electric |
|---|---|
| GTIN / EAN | 3606481995063 |
| Range | Filter products by ComPacT NSX (2021) |
| Lifecycle status | Filter products by Current |
| ETIM class | Filter products by EC000228 |
Electrical ratings
| Number of poles | Filter products by 3P |
|---|
Documents
| Datasheet | View on the Schneider Electric site |
|---|
Other specifications
| SKU/Code/Partnumber | C40S3TM400D |
|---|
More in the ComPacT NSX (2021) range
8 itemsSame series, same mounting and the same documentation set.
More in the ComPacT NSX (2021) range
8 items
C40V46E400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 6.3 E trip unit 400A, 4 poles 4dList R36 071.81 Your price R24 528.83View product
C40W31M320Circuit breaker ComPacT NSX400HB2, 100kA at 690VAC, MicroLogic 1.3 M trip unit 320A, 3 poles 3dList R21 146.58 Your price R14 379.67View product
C40V42D250Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 2.3 trip unit 250A, 4 poles 4dList R30 162.89 Your price R20 510.77View product- C40V42D400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 2.3 trip unit 400A, 4 poles 4dList R32 987.77 Your price R22 431.68View product
C40V45E400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 5.3 E trip unit 400A, 4 poles 4dList R36 491.95 Your price R24 814.53View product
C40V36E400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 6.3 E trip unit 400A, 3 poles 3dList R37 832.17 Your price R25 725.88View product
C40V36M320Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 6.3 E-M trip unit 320A, 3 poles 3dList R30 345.22 Your price R20 634.75View product
C40V32D400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 2.3 trip unit, 400A, 3 poles 3dList R26 751.03 Your price R18 190.70View product
More in Moulded Case Circuit Breakers (MCCBs)
8 items
More in Moulded Case Circuit Breakers (MCCBs)
8 items
C40V32M320Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 2.3 M trip unit 320A, 3 poles 3dList R25 860.88 Your price R17 585.40View product
C40V35E400Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 5.3 E trip unit 400A, 3 poles 3dList R35 479.37 Your price R24 125.97View product
C40S4TM400DCircuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 4 polesView product- C40V31M320Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 1.3 M trip unit 320A, 3 poles 3dList R25 151.28 Your price R17 102.87View product
- C40V32D250Circuit breaker ComPacT NSX400HB1, 75kA at 690VAC, MicroLogic 2.3 trip unit 250A, 3 poles 3dList R26 751.03 Your price R18 190.70View product
- C40S4TM250DCircuit breaker ComPacT NSX250S DC, 100kA at 750 VDC, TM-DC trip unit, 250 A rating, 4 polesView product
- C40S4TM320DCircuit breaker ComPacT NSX320S DC, 100kA at 750 VDC, TM-DC trip unit, 320 A rating, 4 polesView product
- C40S3TM320DCircuit breaker ComPacT NSX320S DC, 100kA at 750 VDC, TM-DC trip unit, 320 A rating, 3 polesView product
Alternatives on our other RMS storefronts
RMS supplies each manufacturer range from its own storefront. These links open a different RMS site in a new tab.
- Side by side3-pole moulded case circuit breakers compared: ABB Tmax XT / Tmax T vs Schneider ComPact / EasyPact vs ElectroMechanica MCCB — compare the ranges side by side (opens in a new tab)
- Comparable rangeTmax XT MCCB range at RMS-ABB.Africa (opens in a new tab)
- Comparable rangeHager h3 MCCB range at RMS-EM.Africa (opens in a new tab)
Quick answers
What is C40S3TM400D?
C40S3TM400D is the order code for Circuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles. It belongs to our Moulded Case Circuit Breakers (MCCBs) range. RMS-SE.Africa supplies it as genuine Schneider Electric product, sourced through the manufacturer's distribution channel.
How many poles does C40S3TM400D have?
Circuit breaker ComPacT NSX400S DC, 100kA at 750 VDC, TM-DC trip unit, 400 A rating, 3 poles is a 3P-pole device.
Is it available?
It is listed as in stock. Availability is re-confirmed on every order before any payment is taken, so what you order is what actually ships.
How do I get a formal quotation?
Use "Add to quote" and submit the quote basket. The RMS team prices every line, confirms stock, and emails you a formal quotation with written lead times — and you can accept it online to turn it into an order.
Do I pay when I order?
No. Checkout submits the order without payment; we confirm stock for every line first, then email you a secure payment link for the order.