NORD – SK 700E-301-340-A – NORDAC SK 700E 3 kW Frequency Inverter

The NORD SK 700E‑301‑340‑A (SK 700E series) is a compact three-phase frequency inverter delivering 3 kW motor output (≈ 4 hp) with sensorless current vector control. Designed for industrial motor speed regulation on 380–480 VAC supply in the 47–63 Hz range.

Key Features:

• Model: SK 700E‑301‑340‑A (Frame Size 1)  

• Motor Power: 3.0 kW (≈ 4 hp, 4‑pole motor)  

• Nominal Output Current: approximately 6.9 A at full load  

• Supply Voltage: 3‑phase AC 380 V (–20 %) to 480 V (+10 %), 47–63 Hz  

• Control: Sensorless current vector (ISD) method  

• Overload Capacity: 150 % for 60 s or 200 % for 3.5 s  

• Integrated Brake Chopper and Line Filter (up to 22 kW)  

• Dimensions (H×W×D): 281 × 123 × 219 mm (Size 1 frame); Weight ~4 kg  

• Recommended Brake Resistor: SK BR1‑200/300‑F (200 Ω, 300 W) accessory  

• Modular extension: supports technology units, customer and special extension units for I/O and bus options