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TI C (serie 16-30), Thermal realys - DANFOSS INDUSTRIAL AUTOMATION
Thermal overload relays, specifically the Danfoss Industrial Automation TI C series (16-30 A range), are essential electromechanical protection devices designed to safeguard AC induction motors against prolonged overcurrent conditions, phase loss, and phase imbalance. These relays operate on the bimetallic strip principle, where heat generated b...
Thermal overload relays, specifically the Danfoss Industrial Automation TI C series (16-30 A range), are essential electromechanical protection devices designed to safeguard AC induction motors against prolonged overcurrent conditions, phase loss, and phase imbalance. These relays operate on the bimetallic strip principle, where heat generated by the motor current causes a calibrated deflection that trips the relay's normally closed (NC) contacts after a defined time delay, inversely proportional to the magnitude of the overload. The TI C series is a direct-mounting accessory for Danfoss CI and CI-T series contactors, forming a compact and reliable motor starter combination. Key technical parameters include a setting range of 16 to 30 amperes, a rated insulation voltage (Ui) of 690 V AC, and a rated impulse withstand voltage (Uimp) of 6 kV. They feature a manual/automatic reset selector, a trip-free mechanism, and a test button for functional verification. Internationally, these devices are known as thermal overloads, overload protection relays, or motor protection relays, and are critical for ensuring operational safety and equipment longevity in industrial motor control applications.
These thermal overload relays are predominantly installed within motor control centers (MCCs), electrical panels, and distribution boards across a wide spectrum of industrial sectors. Primary applications include the protection of pumps, fans, compressors, conveyors, and machine tools in industries such as water and wastewater treatment, HVAC, food and beverage processing, material handling, and general manufacturing. They are also deployed in agricultural machinery and mining equipment where reliable motor protection is paramount. The TI C series is specifically designed for integration into motor starter assemblies, providing coordinated protection with Danfoss contactors and circuit breakers. Their compact footprint and direct mounting capability make them ideal for space-constrained control cabinets, while their robust construction ensures reliable performance in harsh environments with high ambient temperatures or vibration.
The Danfoss TI C series thermal overload relay (16-30 A) is a specific product within the broader category of motor protection relays. The article code for this device is typically structured as "TI C 16-30" or a similar variant, with the "16-30" indicating the adjustable current range. Within this series, other common variants include the TI C 0.16-0.25 A, TI C 0.25-0.4 A, TI C 0.4-0.63 A, TI C 0.63-1 A, TI C 1-1.6 A, TI C 1.6-2.5 A, TI C 2.5-4 A, TI C 4-6.3 A, TI C 6.3-10 A, and TI C 10-16 A, covering a comprehensive range of motor full-load currents. The main article codes for these relays are typically found under the Danfoss Industrial Automation catalog, and they are often ordered alongside the corresponding CI or CI-T series contactor. Accessories such as the TI C terminal cover or the TI C sealable cover are also available to enhance safety and security.
At Electric Automation Network, we provide the Danfoss TI C series thermal overload relays with real-time pricing and up to 65% discount off list price, ensuring cost-effective procurement for your motor protection needs. Our engineering team offers specialized technical support to assist with relay selection, coordination studies, and integration into your motor control systems. We provide comprehensive technical documentation, including datasheets and wiring diagrams, for every article. With express worldwide shipping, we ensure rapid delivery to your facility, minimizing downtime and keeping your operations running smoothly. Trust our expertise to deliver the right thermal overload protection solution for your industrial automation projects.
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