NF-400 MCCB 3P : 1.MCCB 250-400A 2.Standard;IEC60947,GB/T14048 3.Certificate:CE,ISO9001 4.Warranty period: two years. NF-400 MCCB 3P:Features:1) Name: moulded case circuit breaker (MCCB)2) Frequency: AC 50Hz/60Hz)3) Rated insulation voltage: 660V4) Rated operating voltage under AC 690V or less5) Rated operating current: 5A-630A6) Pole number: 2 pole, 3 pole7) Breaking capacity code: L: Standard ...