MDX61B0040-5A3-4-0T SEW-Eurodrive MOVIDRIVE B Series

SEW MDX61B0040-5A3-4-0T – MOVIDRIVE® B Application Inverter Drive

The SEW-Eurodrive MDX61B0040-5A3-4-0T is a MOVIDRIVE® B series inverter drive designed for variable-speed motor control in industrial automation systems. This 4 kW unit supports a three-phase AC supply from 380 to 500 V and four-quadrant operation with an integrated brake chopper.

The Application Version provides a platform for application-oriented drive control and optional expansion, subject to the installed configuration. It is suitable for machinery that requires controlled acceleration, deceleration, speed regulation, and braking. Before replacement, verify the complete type code, motor ratings, control interface, firmware, and installed option cards against the existing drive.

01 | Technical Specifications at a Glance

Parameter	Specification
Manufacturer	SEW-Eurodrive
Product Model	MDX61B0040-5A3-4-0T
Product Family	MOVIDRIVE® B
Product Type	Inverter Drive / Frequency Inverter
Version	Version B, Application Version
Recommended Motor Power	4 kW / approximately 5 HP
Main Supply Voltage	3-phase AC 380–500 V, 50/60 Hz
Rated Input Current	8.6 A at 100% / 10.7 A at 125%, as supplied
Rated Output Current	9.5 A
Rated Output Capacity	6.6 kVA
Operating Quadrants	4-quadrant operation with brake chopper
EMC Classification	Radio interference suppression, C2
Control Supply Information	24 V DC input; verify the relevant terminals and supply requirements in the hardware manual
Protection Rating	IP20
Frame Size	Size 1
Dimensions (W × H × D)	105 × 314 × 234 mm
Weight	Approximately 3.5 kg

Engineering note: The 24 V DC specification should not be interpreted as the main motor power input. This drive uses a three-phase 380–500 V AC main supply. Confirm the purpose and terminal assignment of any 24 V DC connection from the applicable SEW documentation.

02 | Configuration Breakdown – Read the Full Ordering Code

The complete type designation is more useful than the basic MDX61B model alone. It helps distinguish the voltage class, connection arrangement, braking configuration, and application version.

• MDX61
  • MOVIDRIVE® B inverter drive platform.
  • Supports installation of compatible expansion options, depending on the selected hardware and application.
• B
  • Version B of the MOVIDRIVE® product family.
• 0040
  • Recommended motor power: 4 kW.
  • Actual motor suitability must also be checked against rated current, overload requirements, and operating duty.
• 5
  • Supply voltage class: three-phase AC 380–500 V.
• A
  • Radio interference suppression: C2 classification as specified for this configuration.
• 3
  • Three-phase connection configuration.
• 4
  • Four-quadrant operating configuration with an integrated brake chopper.
  • Confirm the external braking resistor requirements and permitted resistance and power ratings before installation.
• 0T
  • Application Version, as specified for the supplied model.
  • Check the actual firmware, parameter set, and installed option cards before reusing an existing control program.

Ordering reminder: The breakdown above follows the supplied product information. Confirm the complete nameplate code and the official SEW type-code documentation before ordering a replacement, particularly where option cards or application-specific functions are involved.

03 | How This Drive Fits into a Machine

The MDX61B0040-5A3-4-0T sits between the three-phase AC supply and the motor. It adjusts motor operation according to its configured control mode, reference signals, and application parameters. The drive's brake chopper supports braking-energy management when the application requires controlled deceleration.

• Conveyors and material handling: Regulate belt speed, coordinate acceleration and deceleration, and reduce abrupt mechanical transitions.
• Pumps and industrial fans: Provide adjustable motor speed where the motor, load profile, and control strategy are suitable for inverter operation.
• Packaging and processing machinery: Support repeatable speed profiles and coordinated machine movements when the control architecture is correctly configured.
• Hoisting and positioning equipment: Support applications requiring controlled braking, subject to the machine's mechanical brake, safety system, and validated drive design.
• Production-line retrofits: Replace a compatible MOVIDRIVE® B unit while retaining the existing control architecture where hardware, firmware, parameters, and interfaces match.

04 | Compatibility Checks Before Replacement

A matching 4 kW rating does not, by itself, establish drive compatibility. Use the following checks to reduce commissioning risk.

1. Verify the motor: Compare motor nameplate voltage, rated current, power, speed, connection method, and duty cycle with the drive configuration.
2. Check the supply: Confirm that the available three-phase voltage is within the drive's permitted range and that upstream protection is correctly selected.
3. Review the control interface: Identify the command source, speed reference, feedback devices, fieldbus interface, and digital or analog I/O used by the machine.
4. Compare installed options: Record communication, encoder, and other expansion cards. Do not assume that option hardware from another drive can be transferred without checking compatibility.
5. Back up parameters: Save the existing parameter set and record critical motor, braking, reference, and communication settings before removing the old unit.
6. Validate braking and safety: Check the braking resistor, mechanical brake sequence, protective functions, and machine-specific safety requirements before returning equipment to service.

05 | Diagnostic Capability and Troubleshooting Guide

The drive's available diagnostic information depends on its firmware, parameterization, and installed options. During fault finding, use the displayed fault code and operating data together with the machine's PLC or motion-control records. The following guide describes practical checks; it is not a list of model-specific fault codes.

Observed Symptom	Checks to Perform	Engineering Consideration
Drive does not power up	Check incoming AC supply, protective devices, wiring, and the applicable control-supply connections.	Distinguish a missing main supply from a control-power or wiring issue before replacing the drive.
Motor does not start	Review enable conditions, interlocks, controller commands, reference values, and active faults.	A valid power supply does not prove that the drive has received a valid run command.
Motor trips during acceleration	Compare motor current, acceleration time, load torque, motor data, and configured limits.	Excessive mechanical load or an unsuitable ramp can cause trips even when the drive's power rating appears correct.
DC bus or braking-related fault	Inspect deceleration settings, braking-resistor wiring, resistor specifications, and the actual load inertia.	Frequent high-inertia stops can increase regenerated energy. Verify the braking circuit against SEW limits.
Intermittent communication	Check fieldbus option status, connector condition, network configuration, and controller diagnostics.	Confirm whether the problem is isolated to the drive, its option card, or the wider network.
Drive runs at an incorrect speed	Compare the commanded reference with the actual reference source, scaling, motor data, and control mode.	Check PLC scaling and parameter settings before attributing the issue to a failed power stage.

Safety: Only qualified personnel should perform electrical measurements or drive servicing. Isolate and lock out the supply, allow the DC link to discharge for the period specified by SEW, and verify the absence of hazardous voltage before touching power terminals. Do not bypass protective interlocks to force a restart.

06 | Installation and Maintenance Notes

• Install the IP20 drive inside a suitable enclosure with the required protection against dust, moisture, and accidental contact.
• Maintain the specified clearances and ventilation paths. Restricted airflow can increase internal temperature and shorten component life.
• Separate motor power wiring from sensitive signal and communication cables according to the installation manual and applicable EMC practices.
• Check protective earth connections, cable termination, terminal tightness, and signs of heat damage during planned maintenance.
• Review the DC link, braking circuit, and fault history when recurring trips occur. Replace components only after the cause has been investigated.
• Before commissioning a replacement, confirm the motor parameters, command source, speed limits, ramp settings, and machine interlocks.

07 | Global PLC Spare HUB Review

The SEW MDX61B0040-5A3-4-0T is a practical candidate for maintenance teams supporting existing MOVIDRIVE® B installations that require a 4 kW drive with a 380–500 V three-phase supply. Its four-quadrant configuration and brake chopper are relevant where deceleration performance and braking-energy handling form part of the machine design.

For replacement projects, the key purchasing decision is not simply the power rating. Confirm the full type designation, installed option cards, control method, and parameter requirements first. These checks help avoid delays caused by interface mismatches or differences between the original and replacement configurations.

08 | Global PLC Spare HUB's Insight

From a maintenance perspective, the most useful pre-replacement record is a combination of the drive nameplate, parameter backup, fault history, motor nameplate, and a clear record of the connected control interfaces. This information helps distinguish a genuine drive failure from a motor, wiring, communication, or configuration issue.

Where a machine uses a braking resistor or encoder feedback, confirm those interfaces separately rather than relying on the model number alone. If the original drive is still accessible, document its installed options and operating parameters before removal. For a safety-related or high-inertia application, validate the complete stopping sequence before releasing the machine for production.

09 | Warranty, Inspection and Shipping

• Warranty: 12-month warranty, subject to the applicable sales terms.
• Inspection: Model identification and available condition checks can be arranged before dispatch.
• Shipping options: FedEx, UPS, and DHL, subject to destination and service availability.
• Order verification: Provide the complete model number and any available nameplate or option-card details when requesting a quotation.
• Technical support: Share the application, motor nameplate data, and existing drive fault information to help assess compatibility.

10 | Frequently Asked Questions

Q1: Can this drive be used with a motor rated below 4 kW?

Potentially, provided the motor's rated current, voltage, control requirements, and operating duty are compatible with the drive. Enter the correct motor nameplate data and verify the minimum permitted operating conditions in the SEW documentation. Do not select a drive based on kilowatts alone.

Q2: What information should I send when requesting a replacement quotation?

Provide the full model number, a nameplate photograph, required quantity, delivery destination, and any installed option-card numbers. If replacing a failed unit, include the motor rating and the machine's control or communication interface. These details help identify configuration differences before purchase.

Q3: Will the replacement drive automatically retain the original machine parameters?

No. Parameter retention depends on the replacement unit and the backup method used. Save the original settings where possible, then compare motor data, command sources, ramp times, limits, and communication parameters. Perform controlled commissioning and verify the machine sequence before resuming production.

Q4: What should I check if the drive trips only after the machine has been running for some time?

Record the exact fault message and operating conditions when the trip occurs. Check load changes, motor current, cabinet temperature, ventilation, connection integrity, and the fault history. A trip that appears after warm-up may have a different cause from an immediate power-up fault, so use recorded evidence rather than replacing parts by trial and error.

Q5: Is the integrated brake chopper sufficient for every braking application?

No. The brake chopper is one part of the braking arrangement. The braking resistor, wiring, duty cycle, deceleration time, load inertia, and permitted thermal limits must all be evaluated. Applications involving suspended loads or personnel safety also require a correctly designed mechanical braking and safety system.

Product SEO Focus

Primary keyword: SEW MDX61B0040-5A3-4-0T inverter drive.

Supporting terms: MOVIDRIVE B 4 kW drive, SEW 380–500 V inverter, four-quadrant drive with brake chopper, and Application Version frequency inverter.

Keep this page focused on the exact MDX61B0040-5A3-4-0T configuration. Use broader MOVIDRIVE® B series keywords for a series overview page, and use other complete model numbers on their own product pages to reduce keyword overlap across the catalog.

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