Nader

NDB1Z-63 Series DC MCB, Nader

Model: NDB1Z-63

Key specifications

  • Rated current In (A) 1A, 2A, 3A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
  • Rated voltage Ue (V) DC110/125/220/250/440V
  • Poles 1P, 2P, 3P, 4P
  • Breaking capacity (Icu) 6kA

Technical parameters

Rated VoltageDC110/125 (1P), DC220/250 (2P), DC440V (3P、4P)
Rated Current1A, 2A, 3A, 4A, 5A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Tripping CharacteristicB:6 (1±20%)In, C:12 (1±20%)In
Tripping curvesB type curve, C type curve
Rated Breaking Capacity (Icn)6kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)6kA
Rated Service Short-Circuit Breaking Capacity (Ics)6kA
Number of Poles1P, 2P, 3P, 4P
Standards and Certificates· CCC, CB · GB/T 14048.2,IEC 60947-2
Environmental requirementsRoHS
Rated Insulation VoltageDC500V
Rated Impulse Withstand Voltage4kV
Wiring· Adopt tunnel type wiring Version · Connection capability: 1mm² to 25 mm² · Connection screw M5, Torque: 2.0N.m · Lines in for both up and down ends
Mechanical Life20000 times
Electrical life6000 times
Working Condition· Ambient temperature:-40℃~+70℃ · Stored ambient temperature:-40℃~+80℃ · Heat and humidity resistance:The relative air humidity ≤95% at the temperature of+55℃ · Altitude:≤2000m, if you want to apply it more than 2000m, you must refer to Miniature Circuit Breaker’s reduced capacity table. Also you can refer to GB/T20645 the technological requirement of the low-voltage electrical equipment when it is used on high altitude. · Pollution degree: 3 · Free from obvious vibration or shock · Protection Degree: IP20
Isolation function· Practical breaking instructions · View window within the green identification said contact in the off position