ComPacT NSX 250F DC is a complete 4-pole fixed circuit breaker designed to optimize space and breaking capacity. It is an optimal choice for applications using DC voltages. The breaking capacity (Icu) is 10kA rms at 1000VDC. The operating voltage is 1000VDC. This product integrates a thermal-magnetic trip unit (TM-DC) with a 250A rating. The TM-DC trip unit provides adjustable thermal overload protection and adjustable magnetic protection. The dimensions are 255mm x 185mm x 110mm (H x W x D). It is compliant with the international standard EN/IEC 60947.