SEW MOVITRAC 31C015-503-4-00 Frequency converter

Buy online your SEW MOVITRAC 31C015-503-4-00 Frequency converter from our e-store Cnc-shopping, specialist in CNC machine-tools spare parts.

The SEW EURODRIVE MOVITRAC 31C 31C015-503-4-00 is a compact AC frequency inverter designed to control the speed and direction of three-phase induction motors in CNC machines and industrial automation systems. It is suitable for chip conveyors, coolant pumps, feeders, fans, packaging machinery and general machine-tool auxiliaries.

This MOVITRAC 31C features V/f motor control with adjustable acceleration and deceleration ramps, providing smooth starting, stopping and reliable speed regulation. It can interface with standard PLC and CNC control systems for run, stop, direction and speed-reference commands.

The unit is designed for a 3-phase 380–500 VAC input, 50/60 Hz, with a rated input current of 3.5 A. Its output is rated at 2.8 kVA, 4 A and 1.5 kW, making it suitable for standard 1.5 kW induction motors. The compact cabinet-mounted design allows convenient installation in existing industrial control panels.

The complete reference 31C015-503-4-00 is a practical replacement unit, spare part or CNC replacement component for maintenance and retrofit applications. Matching the exact reference helps maintain the correct voltage class, configuration and control characteristics when replacing a faulty inverter.

The MOVITRAC 31C is commonly used with SEW EURODRIVE gearmotors and standard induction motors. Its integrated status indication and fault diagnostics help technicians identify drive, wiring and load-related issues during maintenance.

Each unit supplied by Cnc-shopping can be function-tested on dedicated drive test equipment to verify power-stage operation, control functions and fault handling. Units are professionally packaged for industrial transportation and supplied with a commercial warranty, with worldwide shipping and fast dispatch depending on availability.

The SEW EURODRIVE 31C015-503-4-00 can also serve as an emergency spare for legacy CNC and industrial systems. Cnc-shopping can assist with sourcing obsolete parts and may provide repair, exchange or refurbished unit solutions when applicable, helping reduce downtime and extend the service life of existing equipment.

Frequently asked questions about 31C015-503-4-00:

How do I confirm compatibility with my existing installation?
Match the complete code on your current drive with 31C015-503-4-00. The suffix digits define supply class and built-in options, so using the full code ensures a direct drop-in with the same wiring and parameter set structure.

Which motors can this unit control?
It is intended for standard three-phase induction motors, frequently paired with SEW EURODRIVE gearmotors. Verify motor current and voltage against the nameplate and the drive rating to ensure proper sizing.

What control signals are typically supported?
The series accepts common PLC or CNC commands for run and direction along with an analog speed reference. Check your wiring diagram to reuse the same terminals and signal types when replacing a failed unit.

Is it suitable for chip conveyors and coolant pumps on machine-tools?
Yes, this is a common use case. Install it in the control cabinet, set the acceleration and deceleration times to suit the load and verify the motor data to maintain reliable operation.

Can parameters be transferred from a failed MOVITRAC 31C?
If you have a record of key parameters, they can be re-entered on the replacement. When the full model code is matched, parameter structures remain familiar, which speeds up commissioning.