NDG3A-2000 Series AC/DC Disconnectors, Nader

Rated operational current Ie (A): AC500~2000A, DC1250A

Rated operational voltage Ue (V): AC380/400/415/500/690V, DC220/400/500V

Poles: 3P, 4P

Certifications: CCC, CB, CE, TUV

Technical parameters:

Thermal current Ith(A)			2000A
Number of Poles			3P, 4P
Rated working voltage Ue (V)			415V
Rated insulation voltage Ui (V)			1000V
Rated impulse withstand voltage Uimp (kV)			12kV
Rated short-time withstand current Icw (effective value)(1s.kA)			AC: 50 (1s.kA), DC: 10 (1s.kA)
Rated short-circuit making capability Icm (peak value)(kA)			AC: 75 kA, DC: 15le
Rated Current In(A)	Rated Current In(A)(at+40℃)		2000(A/B)
	380VAC,400VAC,415VAC	AC-20A/AC-20B	/
		AC-21A/AC-21B	2000
		AC-22A/AC-22B	1800
		AC-23A/AC-23B	1250
	500VAC	AC-20A/AC-20B	/
		AC-21A/AC-21B	1600
		AC-22A/AC-22B	1250
		AC-23A/AC-23B	1000
	690VAC	AC-20A/AC-20B	/
		AC-21A/AC-21B	1000
		AC-22A/AC-22B	1000
		AC-23A/AC-23B	500
	800VAC	AC-21B	/
	1000VAC	AC-21B	/
	220VDC	DC-20A/DC-20B	/
		DC-21A/DC-21B	1250
		DC-22A/DC-22B
		DC-23A/DC-23B
	400VDC	DC-20A/DC-20B	/
		DC-21A/DC-21B	1250
		DC-22A/DC-22B
		DC-23A/DC-23B
	500VDC	DC-20A/DC-20B	/
		DC-21A/DC-21B	1250
		DC-22A/DC-22B
		DC-23A/DC-23B
	750VDC	DC-21B	/
		DC-22B
	1000VDC	DC-21B	/
		DC-22B
Mechanical life			4000times
Electrical life			500times
Operating Torque (N.m)			56 N.m
Installation method			Screw Mounting
Overall Dimensions4P (L×W×H)			492×288×165.5
Overall Dimensions3P (L×W×H)			372×288×165.5
Single-Phase Internal Resistance(mΩ)			≤0.08 mΩ
Minimum copper cable cross-section area(mm²)			100×5mm²(3 pcs)
Minimum Tightening Torque for Copper Cable Connections(N.m)			40N.m
Protection class			·Complete appliance: IP20 ·Handle: IP65
Rated Frequency (Hz)			50/60Hz
Standards and Certificates			·CCC, CE, TUV ·GB/T 14048.1, GB/T 14048.3, IEC60947-1, IEC60947-3
Environmental Requirements			ROHS 2.0
Working conditions			·Ambient Temperature: -25℃~+55℃ ·Storage Temperature: -50℃~+80℃ ·When the ambient air temperature is +40℃, the relative humidity of atmosphere shall not be more than 50%. ·Service place should be without explosive media, gas and dust which are corrosive and conductive, the product should be mounted free from rain and snow. ·Altitude: ≤2000m ·pollution class: 3 ·The installation types III and IV are applicable to the product.

Outline and installation dimension

Packing and depositing:

·Switch product packaging:

1pc/box (3P, 4P)

·Storage:

The product should be transited and deposited free from rain and snow. The product should be stored in the warehouse where there is ventilation. The relative humidity there should not exceed 80%, and the ambient temperature there is between-40℃ and +85℃. In addition, there should not be acidic, alkaline and corrosive gas in the air. The product should not be deposited more than 3 years in the above mentioned conditions since the producing date.