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  • NDW3-2500HU1000VAC/C/1250A/3/KM

1250A, AC 1000V, 55kA, NDW3-2500HU1000VAC/C/1250A/3/KM, air circuit breaker specification

Manufacturer P/N: NDW3-2500HU1000VAC/C/1250A/3/KM

  • Product Description
Quick Details
  • Types:NDW3-2500 series
  • Rated operational voltage Ue:AC 1000V
  • Installation structure:Drawout type
  • Rated current:1250A
  • Number of poles:3 Poles
  • Breaking capacity :55kA
  • Controller types:Nixie tube display
  • Thermal-humidity type (TH):General type

Product Overview

NDW3-1600 series

Number of poles3, 4
Rated current In 40℃200A, 400A, 630A, 800A, 1000A, 1250A, 1600A
North pole rated current100%In
Rated operational voltage UeAC220V/230V/240V, AC380V/400V/415V, AC440V/480V, AC660V/690V

Rated limit short-circuit breaking capacity Icu (AC415V)

66kA
Rated operating short-circuit breaking capacity Ics (AC415V)55kA
Rated short-time withstand current Icw (AC415V) 1s50kA
ControllerKM controller
KY controller
Installation type Fixed type
Drawout type
Special application Wind power, plateau type circuit breaker
Thermal-humidity type circuit breaker


NDW3-2500 series

Number of poles3, 4
Rated current In 40℃630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A 
North pole rated current100%In
Rated operational voltage UeAC220V/230V/240V, AC380V/400V/415V, AC440V/480V, AC660V/690V,AC800V/1000V/1140V

Rated limit short-circuit breaking capacity Icu (AC415V)

S: 66kA

H: 85kA

Rated operating short-circuit breaking capacity Ics (AC415V)100% Icu
Rated short-time withstand current Icw (AC415V) 1s100% Icu
ControllerKM controller
KY controller
Installation type Fixed type
Drawout type
Special application Wind power, plateau type circuit breaker
Thermal-humidity type circuit breaker


NDW3-4000 series

Rated current InA 800, 1000, 1250, 1600, 2000, 2500, 2900, 3200, 4000
Rated current of Pole N100%In
Rated working voltage UeAC220V/230V, AC380V/400V, AC415V, AC660V/690V, AC1000V
Rated insulating voltage Ui1000V
Rated impact withstanding voltage Uipm12kV 
Number of poles3, 4
Fully broken time (≤690V)≤30ms
Closing time≤70ms
Short circuit breaking capacity classSH
Rated ultimate short circuit breaking capacity Icu (effective value)AC400V85kA100kA
AC690V75kA85kA
AC1000V50kA--
Rated operative short circuit breaking capacity Ics (effective value)AC400V85kA100kA
AC690V75kA85kA
AC1000V50kA--
Rated short circuit connecting capacity Icm (peak value)AC400V187kA220kA
AC690V165kA187kA
AC1000V110kA--
Rated short time withstanding current Icw (effective value) 1sAC400V85kA100kA
AC690V75kA85kA
AC1000V50kA--
Operating performance (Times)Electrical service life AC400V80005000
AC690V60003000
AC1000V1000500
Mechanical service life (Times)Not maintained
10000
Maintained15000
Installation typeFixed
Drawer
Main circuit wiring typeFixedHorizontal, vertical, prolonged horizontal, prolonged vertical
DrawerHorizontal, vertical, prolonged horizontal, prolonged vertical
External dimensions: W×D×H (mm)Fixed 3P428×300×392
Fixed 4P543×300×392
Drawer 3P435×432×401
Drawer 4P550×432×401


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