Resistor block NF-1A U2 2TD.754.054-04 Resistor KEM 00-00008887

Resistance boxes NF-1A schemes 01-12 are designed for starting, braking, and speed regulation of electric motors used in electric drives of lifting cranes. Resistance boxes have 6 to 8 terminals. Designed for operation in AC circuits with voltage up to 660 V, frequency 50-60 Hz and in DC circuits with voltage up to 440 V. Operating current of the units is 36-228A, resistance 0.095-4Ω. Duty cycle - S4 40%; Protection degree - IP00; The resistor block has an open design in terms of protection; Climatic execution type - U2, UKHL2, T2; Cooling - natural; Overall dimensions of the resistor block: Length, mm: 635; Width, mm: 340+45*; Height, mm: 200; Mass of the units: no more than 25 kg.