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SKC3400300

The Emerson SKC3400300 is a high-performance AC variable frequency drive from the Commander SK series. Designed for demanding industrial applications requiring reliable motor control, this drive provides robust open-loop vector control for three-phase induction motors. The Commander SK series is known for its ease of use, rugged construction, and flexible programming, making it suitable for a wide range of tasks including pumps, fans, conveyors, and industrial machinery.

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Technical Parameters (SKC3400300) Model: SKC3400300 Series: Commander SK Product Type: AC Variable Frequency Drive (Inverter) Input Phase: Three-phase Input Voltage: 380V to 480V AC ±10% Input Frequency: 48 to 62 Hz Rated Output Current: 30.0 A (RMS) Typical Motor Power (at 400V): 15 kW (20 HP) - Heavy Duty / Constant Torque 18.5 kW (25 HP) - Normal Duty / Variable Torque Output Voltage: 3-phase, 0 to rated input voltage (variable frequency) Output Frequency: 0 to 1500 Hz (programmable) Control Mode: Open-loop Vector (Sensorless) / V/Hz Switching Frequency: 3 kHz to 16 kHz (adjustable, derating applies at higher frequencies) Overload Capacity: 150% for 60 seconds (Normal Duty rating) Digital Inputs: 4 x programmable digital inputs Analog Input: 1 x analog input (0-10V, 4-20mA selectable) Analog Output: 1 x analog output (0-10V) Relay Output: 1 x changeover relay output (programmable) Communications: Standard MODBUS RTU (RS485) via RJ45 Braking: Standard dynamic braking unit (integrated transistor) Protection Class: IP20 (requires enclosure for installation) Operating Temperature: -10°C to +40°C (derating above 40°C to max 50°C) Cooling Method: Forced air cooling (high-capacity fans) Dimensions (H x W x D): Approx. 300 mm x 200 mm x 180 mm (11.8" x 7.9" x 7.1") - typical for frame 3 Weight: Approx. 7 kg (15.4 lbs) Standards: CE, UL, cUL, EN61800-3, RoHS