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Schneider MC-4/11/22/400 – PacDrive 22 A Servo Amplifier
Product Overview
The Schneider MC-4/11/22/400 is a PacDrive MC-4 servo amplifier originally developed under the ELAU automation platform and now associated with Schneider Electric. It is designed for high-performance single-axis motion applications, combining a servo power stage with the control functions required by the PacDrive architecture. The unit accepts a three-phase AC supply in the 380 to 480 V range and provides a continuous motor current rating of 22 Aeff, with a 55 Aeff peak current capability for short-duration dynamic loads. The drive uses a high-voltage DC bus and is intended for coordinated machine motion rather than general-purpose motor control. Its original order number is 13130254. Schneider/ELAU documentation identifies SERCOS as the real-time communication interface used within the PacDrive system.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | MC-4/11/22/400 |
| Manufacturer | Schneider Electric / ELAU |
| Product Type | PacDrive Servo Amplifier |
| Rated Supply Voltage | 3 AC 380-480 V, ±10% |
| Supply Frequency | 48-62 Hz |
| Control Voltage | 24 V DC, -15% / +25% |
| Rated Motor Current | 22 Aeff |
| Peak Motor Current | 55 Aeff for 1 s |
| Rated Output | 15.2 kVA |
| DC Bus Voltage | 530-680 V DC |
| Communication / Protocol | SERCOS |
| Braking Resistor | 42 Ω; 150 W continuous, 15 kW peak |
| Mounting | PacDrive MC-4 machine-control cabinet installation |
| Dimensions (HxWxD) | Verify against the specific mechanical revision |
| Weight | Approx. 6.25-6.3 kg |
| Typical Interfaces | AC power, motor connection, 24 V DC control supply, SERCOS interface |
| Order Number | 13130254 |
The rated current, DC-bus values, braking specifications, and 15.2 kVA output rating are taken from the MC-4 technical documentation. Supplier records report a net unit weight of approximately 6.25-6.3 kg.
Schneider MC-4/11/22/400
Key Features and Benefits
- 22 Aeff continuous motor current for demanding servo applications.
- 55 Aeff peak current for short acceleration or transient load requirements.
- Wide 380-480 V AC supply range for industrial machine installations.
- 24 V DC control circuit separates control power from the main motor supply.
- SERCOS communication supports coordinated multi-axis motion control.
- Integrated DC-link and braking circuitry suited to regenerative motion applications.
- Designed for the PacDrive ecosystem, particularly synchronized packaging and machine-motion applications.
Personally, I would treat this as a legacy motion-control spare, not a generic servo drive. The motor, controller, SERCOS configuration, and drive revision should be checked as one system before replacement.
Related Models
MC-4/11/10/400 — A lower-current PacDrive MC-4 servo amplifier intended for applications requiring less motor capacity.
MC-4/11/03/400 — Another MC-4 variant with a lower current rating for smaller servo axes.
VE4036 — Schneider/ELAU PacDrive control hardware used within related motion-control architectures.
PacDrive C600 — PacDrive controller platform commonly associated with MC-series servo amplifiers in machine automation systems.
Installation and Maintenance
Before replacement, verify the incoming three-phase supply, 24 V DC control circuit, motor cable, encoder or feedback configuration, SERCOS network connection, and installed PacDrive controller. Parameter compatibility is equally important; copying settings from the failed amplifier should be done according to the approved machine documentation.
During maintenance, inspect power terminals, motor connections, cooling passages, DC-bus components, braking circuitry, and communication connections. A high DC-bus voltage remains hazardous after power removal, so the site’s discharge and lockout procedure must be followed before opening or servicing the drive.
Product Warranty
Warranty depends on supplier, condition, and purchase agreement. Confirm whether the unit is new old stock, refurbished, tested used, or repaired, and request the exact hardware revision and test status before procurement.
The Schneider MC-4/11/22/400 remains a useful replacement reference for legacy PacDrive installations where matching the original 22 A servo architecture is essential.
