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NDC1-115~2650 Series AC contactors
Updated：July 17,2026 14:34PM

The NDC1-115~800 series of AC contactors(hereinafter referred to as contactors) have the AC 50Hz(or60Hz) and the rated insulation voltage of 1000V and are mainly used for the electric circuit with the rated working voltage of 415V/690 and the rated working current of 115~800A as well as the AC-3 utilization category for remotely connecting and breaking the circuit and frequently starting & controlling AC motors.They can be used as magnetic starters with the appropriate thermal overload relays to protect the circuit in which overload may occur.The NDC1-1250~2650 series of AC contactors(hereinafter referred to as contactors) have the AC 50Hz(or 60Hz)and the rated insulation voltage of 1000Vand are mainly used for the electric circuit with the rated working voltage of 690V and the rated working current of 1250~2650A as well as the AC-1 utilization category for remotely connecting and breaking the circuit.
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NDC1-115~2650
NDC1-115~2650

Features of NDC1-115~2650 Series

  • Covers rated current from 115A to 2650A, suitable for remote circuit making and breaking
  • NDC1-115~800 supports AC-3 motor control, while NDC1-1250~2650 is designed for AC-1 high-current switching
  • Available with AC, DC and wide-voltage AC/DC coils, supporting different control systems

Technology data of NDC1-115~2650 Series

Parameter Specification NDC1-115 NDC1-150 NDC1-185 NDC1-225 NDC1-265 NDC1-330 NDC1-400 NDC1-500 NDC1-630 NDC1-800
Rated
current Ie /A		 AC-3 415V 115 150 185 225 265 330 400 500 630 800
690V 86 107 118 135 170 225 305 335 460 470
AC-4 415V 52 60 79 85 105 117 138 147 188 195
690V 49 57 69 82 98 107 135 145 170 175
AC-1 690V 200 250 275 315 350 500 600 750 900 1050
Agreed thermal current
of the free air Ith /A		 200 250 275 315 350 500 600 750 900 1050
Impulse withstand
voltage Uimp /kV		 12
Rated insulation
voltage Ui/V		 1000
Rated voltage Ue /V 380/415660/690
Rated power/kW     
 AC-3		 220/240V 30 40 55 63 75 100 110 147 200 250
380/400V 55 75 90 110 132 160 200 250 335 450
415V 59 80 100 110 140 180 220 280 375 450
440V 59 80 100 110 140 200 250 295 400 450
500V 75 90 110 129 160 200 257 355 400 450
660/690V 80 100 110 129 160 220 280 355 450 475
Rated making capacity AC-3、AC-4
Ue≤415V		 10×le(AC-3)、12×le(AC-4)、1.5×le(AC-1)
Rated breaking
capacity A		 AC-1 Ue≤690V 8×le(AC-3)、10×le(AC-4)、1.5×le (AC-1)
 
Specification NDC1-1250 NDC1-1350 NDC1-1450(L) NDC1-1700(L) NDC1-2100(L) NDC1-2650
Rated current Ie /A 1260 1350 1450 1700 2100 2650
Load type AC-1
Agreed thermal current of the free air Ith /A 1260 1350 1450 1700 2100 2650
Rated insulation voltage Ui /V 1000
Rated voltage Ue /V 660/690
Impulse withstand voltage Uimp/kV 12
Rated making capacity(Ue≤690V) 5000
Rated breaking capacity/A(Ue≤690V) 4000

Datasheet of NDC1-115~2650 Series

NDC1-115~800-Series-Contactor-Datasheet.pdf
NDC1-1250~2650-Series-Contactor-Datasheet.pdf
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