Is there MCCB NSX DC Breaker 400 Amps with TMD protection unit
The P/N for a 3P Compact NSX400F TM-DC is LV438267 while the P/N for the same breaker with a 4P configuration is LV438262. TM-DC stands for "Thermal Magnetic - Direct Current". This is mentioned explicitly on the Compact NSX DC catalogue. Please refer to pages A-16, A-17, A-18, A-19 and F-5 on the Compact NSX DC Catalogue.
TM-D trip units for DC Compact NSX MCCBs are used up to 160A. For any amperage beyond this range and up to 1200A, you will have to opt-to the TM-DC trip unit. More information can be found on page A-19 of the Compact NSX DC catalogue.
The latest version of this catalogue can be downloaded via this direct link: https://schneider-electric.box.com/shared/static/gnzoclzxgv6hifho008jcjo4b4l5bbyv.pdf