"JN4B00013S3 (Sub Main Distribution Panel, 400A, 1390mm Length) The JN4B00013S3 panel is built for durability and performance, ensuring seamless power distribution. Category: Outdoor Wall-Mounted MCCB Panel Board Dimensions (Depth × Width × Length): 200 × 690 × 1390 mm Current Rating: Up to 400A Short Circuit Capacity: 50kA Material: Reinforced steel housing with IP54-rated protection Application: Designed for critical infrastructure and high-load electrical systems. Provides safe, structured circuit distribution for MCCBs up to 400A"