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Motor protection relays - LOVATO ELECTRIC
Motor protection relays, also known as thermal overload relays or electronic overload relays, are critical components in industrial motor control systems. These devices safeguard motors against damage caused by prolonged overcurrent conditions, phase loss, or phase imbalance. The LOVATO ELECTRIC range covers current ratings from 0.09 A up to 420...
Motor protection relays, also known as thermal overload relays or electronic overload relays, are critical components in industrial motor control systems. These devices safeguard motors against damage caused by prolonged overcurrent conditions, phase loss, or phase imbalance. The LOVATO ELECTRIC range covers current ratings from 0.09 A up to 420 A, accommodating a wide spectrum of motor sizes. Key technical features include adjustable trip classes, selectable phase failure sensitivity (sensitive or non-sensitive), and configurable reset modes (automatic or manual). The relays can be mounted directly onto contactors for compact assembly or installed separately for flexible panel layouts. Models like the RF ... 38 series offer enhanced functionality with front cover panels, sealable covers for tamper-proof settings, and clear visual indication of reset status.
These motor protection relays are primarily deployed in electrical panels for motor control centers (MCCs), distribution boards, and automation systems across industrial sectors. Common applications include protecting pumps, fans, conveyors, compressors, and HVAC equipment in manufacturing plants, water treatment facilities, and building services. They integrate seamlessly with contactors and starters in motor starter assemblies, ensuring reliable protection in both new installations and retrofit projects.
The category includes subcategories such as thermal overload relays (e.g., RF38 series) and electronic motor protection relays. Key article codes follow a structured format: for example, the RF38 series codes typically start with "RF38" followed by digits indicating current range and features (e.g., RF38-12 for 0.1-0.4 A, RF38-420 for 160-420 A). Other relevant articles include the RM series for manual motor starters and the SM series for electronic protection relays with communication capabilities.
Partnering with Electric Automation Network ensures access to genuine LOVATO ELECTRIC products with real-time pricing and stock availability. Our engineering team provides personalized technical support for relay selection, coordination studies, and troubleshooting. We offer express worldwide shipping, comprehensive documentation including datasheets and wiring diagrams, and after-sales service to optimize your motor protection schemes.
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