SEW‑EURODRIVE MC07B0005-5A3-4-S0 – Compact 400 V Frequency Inverter for Reliable Motor Speed Control

The SEW‑EURODRIVE MC07B0005-5A3-4-S0 is a MOVITRAC B series variable frequency drive built for everyday motion tasks on 3‑phase 400 V motors. From my experience, the “5A3” variant means you’re getting the 380–500 V class with an integrated EMC filter (C3/A3), which simplifies panel design and typically saves you an external filter. The “0005” size sits in the 5 A output current class—ideal for small conveyors, indexing tables, light pumps and fans, or compact mixers. You might notice that it’s deliberately straightforward to commission, yet offers sensorless vector control when you need tighter torque at low speed.

Our Order Process & Guarantees

• Warranty: 365 days
• Lead time: 1 week if in stock; no more than one month at the latest
• Payment: 50% advance; full payment prior to delivery
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Key Features

• 3‑phase 380–500 V class (5A3): Fits standard 400/480 V industrial mains with headroom for fluctuations.
• Integrated EMC filter (C3/A3): Helps meet EN 61800‑3 emissions in many cabinets without an extra line filter.
• 5 A output class: Typically suitable for ~1.5–2.2 kW motors at 400 V (depends on duty and motor efficiency).
• V/f and sensorless vector (VFC) control: Solid speed stability at low speeds without an encoder.
• Built‑in brake chopper: Ready for an external brake resistor for faster deceleration on conveyors or winders.
• Practical I/O set: Multiple digital inputs, analog I/O, and a relay output for quick interlocking and setpoint control.
• RS‑485 for commissioning and networking: Typically supports Modbus RTU/USS; easy parameter setup via SEW tools.
• Compact IP20 booksize housing: Panel‑mount friendly, leaving room for contactors and protection devices.

Technical Specifications

Related / Supporting Products

• SEW MC07B0003-5A3-4-S0: Same voltage class with lower output current (smaller motors).
• SEW MC07B0008-5A3-4-S0: Higher output current for ~3.0 kW class motors at 400 V.
• SEW MC07B0011-5A3-4-S0: Steps up again for heavier loads or higher torque needs.
• SEW MC07B0005-2B1-4-S0: 200–240 V variant for plants with low‑voltage mains.
• DBG60B operator panel: Plug‑on keypad for local setup, diagnostics, and speed change.
• External braking resistor (SEW type, matched to 5 A frame): For fast decel or frequent start/stop duty.
• Line reactor / mains choke: Useful on weak grids or when reducing harmonic distortion is a priority.

Installation & Maintenance Tips

• Cabinet & cooling: Mount vertically in an IP20 control cabinet. Keep intake/exhaust paths clear; in many cases 100 mm above/below is a safe target.
• Wiring: Use shielded motor cable with the shield bonded 360° at the drive end. Separate power and control wiring to reduce noise.
• Protection devices: Upstream circuit breaker or fuse per SEW’s recommended curve; use an RCD of type B if residual protection is mandatory.
• Grounding: Low‑impedance PE connection is essential. Bond motor frame and cabinet ground well.
• Parameter setup: Start with motor nameplate data, then fine‑tune acceleration ramps and torque limits. Auto‑tune (if enabled) improves low‑speed behavior.
• Routine maintenance: Quarterly dust cleaning, check fan operation, re‑torque terminals. From my experience, a quick visual on capacitors and any hot spots prevents surprises.
• Firmware / backups: Keep a parameter backup; update firmware where applicable through SEW tools during planned downtime.

One thing I appreciate is how forgiving the MC07B is during commissioning—most users get the line running in under an hour. A packaging client told us they cut decel time by half by adding a matched brake resistor to this exact 0005 size, without tripping on overvoltage.

Quality & Certifications

• Conformity: CE; typically UL/cUL listed; RoHS compliant
• Standards (typical for series): EN 61800‑5‑1 (safety), EN 61800‑3 (EMC)
• Manufacturer quality: Produced under ISO 9001 quality systems
• Warranty: 12 months (365 days) from delivery