For a 400A 4-pole ABB Tmax MCCB, a common model is:
ABB SACE Tmax T5N 400A 4‐Pole MCCB
Rated current: 400A
Poles: 4P
Rated voltage: up to 690V AC
Breaking capacity options vary by model (e.g., 20kA, 25kA, higher versions available).
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If you need a quotation or exact specification, please tell me:
Tmax T5 or Tmax XT5?
Breaking capacity required (20kA, 25kA, 36kA, 50kA, etc.)
Fixed or withdrawable type?
Location in Nigeria (Abuja, Lagos, etc.) so I can help find suppliers.