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Overload relay - DANFOSS INDUSTRIAL AUTOMATION
Overload relays, also known as thermal overload relays or motor protection relays, are electromechanical devices designed to safeguard electric motors against prolonged overcurrents, phase failure, and asymmetric loads. The Danfoss Industrial Automation range includes models such as the TI9C, TI16C, TI25C, TI30C, TI80, and TI86, which are typica...
Overload relays, also known as thermal overload relays or motor protection relays, are electromechanical devices designed to safeguard electric motors against prolonged overcurrents, phase failure, and asymmetric loads. The Danfoss Industrial Automation range includes models such as the TI9C, TI16C, TI25C, TI30C, TI80, and TI86, which are typically used in conjunction with the CI4 to CI86 contactor series for comprehensive motor protection. These relays operate on the bimetallic strip principle, providing reliable thermal protection for squirrel cage motors. Key technical parameters include adjustable current settings (e.g., 0.13-16A for TI16C, 15-25A for TI25C), manual or automatic reset options, and compatibility with both AC and DC control circuits. The range also includes the TI180E and TI630E models, which offer enhanced protection against phase failure and thermal overload in demanding industrial environments.
These overload relays are primarily installed in motor control centers (MCCs), distribution panels, and automation cabinets across various industrial sectors. Common applications include conveyor systems, pumps, compressors, fans, and machine tools where continuous motor operation is critical. They are essential in industries such as manufacturing, water treatment, HVAC, mining, and food processing, where motor protection ensures operational continuity and safety. The relays integrate seamlessly into existing control systems, providing differential protection for three-phase motors and reducing downtime caused by thermal stress.
The Danfoss overload relay category includes several subcategories based on current range and compatibility. Key article codes include TI16C (e.g., 047H0200 to 047H0212 for current ranges from 0.13-0.20A to 11-16A), TI25C (047H0213 and 047H0214 for 15-20A and 19-25A), TI30C (047H0215 for 24-32A), and TI80 (047H1013 and 047H1014 for 16-23A and 22-32A). The TI9C-5 models (047H3136 and 047H3138) cover lower current ranges from 1.2-1.9A to 2.7-4.2A. Each article code follows a structured format: the model prefix (e.g., TI16C) followed by a unique numeric identifier, with the current range specified in the description (e.g., M/60 for manual reset at 60°C ambient temperature).
At Electric Automation Network, we offer express worldwide shipping and personalized technical support from our team of specialized engineers. Our multichannel platform provides real-time pricing, detailed technical documentation for each article, and expert assistance to help you select the right overload relay for your motor protection needs. Whether you require standard models or custom configurations, we ensure fast delivery and reliable service for your industrial automation projects.
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