NDW2G-2000 Series AC Disconnectors, Nader - Image 1

NDW2G-2000 Series AC Disconnectors, Nader - Image 2

NDW2G-2000 Series AC Disconnectors, Nader

Rated current In (A): 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A

Rated operational voltage Ue (V): AC415/690V

Poles: 3P, 4P

Rated operating short-circuit breaking capacity Ics: 110kA, 143kA

Certifications: CCC, CB, CE, TUV

Product Description

Technical parameters:

Rated current In (A)		400A,630A,800A,1000A,1250A,1600A,2000A
N-pole rated current		100%In
Rated voltage (Ue) (V)		AC415V, AC690V
Rated Frequency(Hz)		50/60Hz
Rated insulation voltage Ui (V)		AC1000V
Rated impulse withstand voltage Uimp (kV)		12kV
Number of poles		3P, 4P
Full break time		≤30ms
Closing time		≤70ms
Rated short circuit making capacity Icm(peak value)(kA)	AC415V	143kA
	AC690V	110kA
Rated short-time withstand current Icw (effective value)1s(kA)	AC415V	65kA
	AC690V	50kA
With an external protective relay, the maximum delay of 0.4s at the limit breaking capacity (kA)	AC415V	65kA
	AC690V	50kA
Electrical life	AC415V	8000times
	AC690V	5000times
Mechanical life	Maintenance-free	10000times
	With maintenance	15000times
Installation mode		Fixed type, Drawout type
Utilization category		AC-22A, AC-23A
Standards and Certificates		·CCC, CE ·GB/T 14048.1-2012, GB/T 2423.4：2008, GB/T 4207：2012, GB/T 14048.1：2012, GB/T 14048.3：2017, GB/T 14092.3：2009, GB/T 19608.3：2004, GB/T 20645：2006, GB/T 20626.3：2006
Wiring method of the main circuit	Fixed type	Horizontal wiring, vertical wiring, L-type wiring
	Drawout type	Horizontal extended wiring
Connection bolt between bus and terminal		M12 (Torque: 60N.m)
Working Environment		·Ambient Temperature:-25℃~+70℃;The disconnecting switch with the ambient temperature below -25℃~-40℃ can be specially customized. ·When the ambient air temperature is +40℃, the relative humidity of atmosphere shall not be more than 50%. ·Altitude: ≤2000m ·Anti-corrosion Level: 2 ·Pollution Level: 3 ·The disconnecting switch can ensure resistance to electromagnetic or mechanical shock, and has passed the IEC 60721-3-3 standard test. ·Amplitude:±1.5mm (2 -9Hz) ·Constant acceleration: 5 m/s² (9~200 Hz) ·Super strong shock may result in damage to the parts, and impact the reliable action of the disconnecting switch. ·The circuit breaker withstands electromagnetic interference including transient overvoltages (from EMI, system aging, or environmental factors), radio waves, and electrostatic discharge.
Isolation Condition		·Installation conditions: With the vertical qradient no more than 5°, the circuit breaker shall be installed under the environment condition without explosion danger, conductive dust or the possibility of corroding metal and damaging the insulation. ·Installation type: The circuit breaker's main circuit and undervoltage release coils, power transformer primary coil installation category is lV; the rest auxiliary circuit and control circuit installation category is lll. ·Protection level:IP30, IP40