The Schneider MC-4/11/22/400 is a precision power monitoring relay designed to safeguard industrial equipment by detecting overcurrent, undercurrent, and voltage irregularities in electrical systems. As part of Schneider’s trusted line of protection devices, it serves as a critical safety component in distributed control systems (DCS), acting as an early warning system to prevent equipment damage and unplanned shutdowns.
In automation setups, the Schneider MC-4/11/22/400 is typically mounted on DIN rails within control cabinets, often alongside ABB I/O modules that transmit its alerts to central controllers like the ABB AC 800M. For example, in an automotive assembly plant, engineers install the Schneider MC-4/11/22/400 in motor control centers (MCCs) to monitor conveyor belt motors, where it triggers shutdowns at 110% of rated current—preventing motor burnout during peak production.
Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in industrial automation distribution and global procurement. We provide a one-year warranty and free replacement service, sourcing DCS, PLC, MVME modules, Anybus converters, RTU modules, industrial PCs, low-frequency displays, and SCSI HMIs to solve procurement challenges with competitive pricing.
The Schneider MC-4/11/22/400 combines precision monitoring with robust protection, featuring adjustable current trip points (50–110% of rated value) to match diverse equipment needs—from small pumps to large compressors. Its fast response time (<200ms) ensures rapid intervention during faults, minimizing damage to motors and drives.
Integration is straightforward, with dry contact outputs that interface seamlessly with ABB I/O modules and ABB AC 800M controllers, making it easy to incorporate into existing DCS architectures. Unlike complex digital relays, the Schneider MC-4/11/22/400 requires no programming—technicians at a food processing plant recently installed three units in an hour, reducing setup time by 70% compared to their previous system.
Rugged construction includes surge protection (4kV) and wide voltage tolerance, ensuring reliability in unstable power grids. Its compact DIN rail design saves cabinet space, while LED status indicators simplify at-a-glance troubleshooting.
The Schneider MC-4/11/22/400 excels in industries where electrical safety is paramount. In power generation, it monitors transformer cooling fans, preventing overheating during peak load periods. Manufacturing facilities use it to protect robotic arms and CNC machines, where sudden current spikes can damage precision components.
Water treatment plants deploy the Schneider MC-4/11/22/400 on pump motors, ensuring consistent water flow by shutting down systems before cavitation occurs. A mining operation recently retrofitted their crusher control panels with the Schneider MC-4/11/22/400, reducing motor failures by 45% and cutting maintenance costs significantly. Its adaptability makes it equally valuable in HVAC systems and smart building infrastructure.
- Schneider MC-4/11/11/230: Previous generation with fixed trip points, suitable for simple applications.
- Schneider MC-4/11/22/630: Higher current variant (up to 630A) for heavy industrial motors.
- Schneider MC-4/22/22/400: Voltage monitoring model, complementing the Schneider MC-4/11/22/400 for full electrical protection.
- ABB DO810: Companion digital output module for integrating Schneider MC-4/11/22/400 alerts into ABB DCS.
- Schneider MC-4/11/22/400-EX: Explosion-proof variant (ATEX Zone 2) for hazardous area installations.
- ABB AC 800M: Controller compatible with Schneider MC-4/11/22/400 via ABB I/O modules.
- Schneider MTN6320: Communication gateway, enabling remote monitoring of the Schneider MC-4/11/22/400.
Install the Schneider MC-4/11/22/400 on a 35mm DIN rail in a clean, dry control cabinet with ambient temperatures within -25°C to +70°C. Ensure 10mm clearance above and below for cooling, and connect current transformers with twisted-pair wiring to reduce noise. Secure grounding (≤1 Ω) is critical for accurate current measurement.
For maintenance, perform quarterly checks of LED indicators to confirm power and normal operation. Calibrate current settings annually using a clamp meter to verify trip points. Inspect terminal blocks for corrosion, especially in humid environments. The Schneider MC-4/11/22/400’s mechanical design minimizes wear, but keep spare units on hand for critical systems to reduce downtime during rare failures.
The Schneider MC-4/11/22/400 is backed by a one-year warranty and free replacement service provided exclusively by Xiamen Xiongba E-commerce Co., Ltd. Branch (not the OEM). Customers can file claims by contacting our team via email (support@xiongba-industrial.com) or phone, providing the serial number and purchase proof. Xiamen Xiongba also offers pre-shipment testing, datasheet verification, and serial-number traceability, ensuring authentic, high-performance industrial automation spare parts.
