SEW 31C450-503-4-00 Mobile Inverter

SEW 31C450-503-4-00 Mobile Inverter  

Product Details Introduction

SEW 31C450-503-4-00 is a MOVITRAC 31C series 50.3kW three-phase mobile frequency converter, featuring high-performance vector control, safety functions, and industrial bus compatibility, suitable for heavy-duty and mobile device drivers.

15 core characteristics

Rated power: 50.3kW (45kW heavy-duty adaptation), three-phase 380-500V input, 50/60Hz universal.

Rated current: Input 84A, output 92-94A, suitable for high-power asynchronous motors.

Control mode: Supports V/F control, sensorless vector control (SVC), and sensorless vector control (FVC).

Output frequency: adjustable from 0.1-300Hz, suitable for precise speed regulation at high and low speeds.

Overload capacity: 150% rated current can last for 60 seconds, suitable for impact loads.

PWM carrier: adjustable from 2-16kHz, reducing motor noise and harmonic interference.

Safety function: Built in STO (safety torque cutoff), compliant with SIL2 safety level.

Communication interface: Supports PROFIBUS, PROFINET, DeviceNet, Modbus and other buses (requires MOVIKIT expansion card).

Analog interface: 2 channels of 0-10V/4-20mA analog input, 1 channel of analog output.

Digital interface: 8-way DI, 4-way DO, electrically isolated, compatible with PLC and external control.

Protection function: Full protection against overvoltage, undervoltage, overcurrent, overheating, motor stalling, and grounding faults.

Heat dissipation design: forced air cooling, low thermal resistance, suitable for continuous full load operation.

EMC performance: Built in C3 level EMC filter, compliant with EN 61800-3 standard.

Parameter storage: 128kB FRAM, maintains parameters in case of power failure, no battery required.

Application scenarios: conveyors, mixers, cranes, port machinery, mobile equipment, and other constant/variable torque loads.

ending

31C450-503-4-00 has become the mainstream choice for medium and high-power industrial transmissions due to its high dynamics, reliability, and strong compatibility.

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