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  • NDM3A-400M/3/3000-Z2Q250

3P, 250A, 50kA, NDM3A-400M/3/3000-Z2Q250, cn moulded case circuit breaker mccb

Manufacturer P/N: NDM3A-400M/3/3000-Z2Q250

US $212.54 /Piece

  • Product Description
Quick Details
  • Types:NDM3A-400 Series
  • Application:Power distribution type
  • Number of poles:3P
  • Rated ultimate short-circuit breaking capacity/Icu:50kA
  • Rated operating current:250A
  • Operating mechanism :Direct handle-operated
  • Tripping characteristics:Without tripper function
  • Mounting type:Fixation
  • Wiring type:Plug-in front-plate connection

Products overviews

NDM3A series of molded case products apply to infrequent switching of circuits with the AC 50Hz (or 60Hz), the rated working voltage of 1000V and rated working current of 630A.With the overload, short circuit and undervoltage protection functions, the circuit breaker can protect lines and power equipment from damage.     The molded case circuit breaker is widely used in new energy industry, plant, building, household and other occasions. 


Main Technical Parameters

NDM3A-250 series

Rated current of frame Inm (A)250
Rated current In (A)63, 80, 100, 125, 140, 160, 180, 200, 225, 250 
Rated insulation voltage Ui (AC V)1140
Rated impulse withstand voltage Uimp (V)8000
Power frequency withstand voltage U (V)3500
Rated working voltage Ue (AC V)5506006908001000
Rated limit short-circuit breaking capacity Icu (kA) 50
42353012
Rated operating short-circuit breaking capacity Ics (kA) 50
42352312
Operating performance (times) Electrical life4000
2500200015001000
Mechanical life10000
Boundary dimensionm (mm)107×165×103 


NDM3A-400 series

Rated current of frame Inm (A)400
Rated current In (A)225, 250, 315, 350, 400 
Rated insulation voltage Ui (AC V)1140
Rated impulse withstand voltage Uimp (V)8000
Power frequency withstand voltage U (V)3500
Rated working voltage Ue (AC V)5506006908001000
Rated limit short-circuit breaking capacity Icu (kA) 50
42353012
Rated operating short-circuit breaking capacity Ics (kA) 50
42352312
Operating performance (times) Electrical life4000
2500200015001000
Mechanical life10000
Boundary dimensionm (mm)150×257×104.5


NDM3A-630 series

Rated current of frame Inm (A)630
Rated current In (A)400, 500, 630
Rated insulation voltage Ui (AC V)1140
Rated impulse withstand voltage Uimp (V)8000
Power frequency withstand voltage U (V)3500
Rated working voltage Ue (AC V)5506006908001000
Rated limit short-circuit breaking capacity Icu (kA) 50
42353012
Rated operating short-circuit breaking capacity Ics (kA) 50
42352312
Operating performance (times) Electrical life4000
2500200015001000
Mechanical life10000
Boundary dimensionm (mm)182×270×108.5 


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