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CI EI Contactor Types 170-420 - DANFOSS INDUSTRIAL AUTOMATION
CI EI Contactor Types 170-420 - DANFOSS INDUSTRIAL AUTOMATION
These are heavy-duty electromechanical contactors from Danfoss Industrial Automation, specifically the CI and EI series, designed for switching resistive and inductive loads in industrial applications. They cover a current range from 170 A to 420 A, with coil voltages typically availab...
CI EI Contactor Types 170-420 - DANFOSS INDUSTRIAL AUTOMATION
These are heavy-duty electromechanical contactors from Danfoss Industrial Automation, specifically the CI and EI series, designed for switching resistive and inductive loads in industrial applications. They cover a current range from 170 A to 420 A, with coil voltages typically available for AC and DC control circuits. The contactors feature main poles (3P or 4P configurations) and are built for high electrical endurance, with mechanical life exceeding 10 million operations. They include integrated arc chutes for safe interruption of high currents and are compatible with a range of auxiliary contact blocks and surge suppressors.
These contactors are primarily used in motor control centers (MCCs), power distribution panels, and automation systems for starting and stopping large motors, compressors, pumps, and conveyors. They are also found in HVAC systems, industrial refrigeration, and heavy machinery where reliable switching under high inrush currents is critical. Their robust design makes them suitable for harsh environments with high ambient temperatures and vibration.
The main subcategories include the CI series (e.g., CI170, CI250, CI320, CI420) and the EI series (e.g., EI170, EI250, EI320, EI420). The article code typically follows the pattern: CI or EI prefix followed by the rated current in amperes (e.g., CI170A, EI420A). Additional suffixes may indicate coil voltage (e.g., 24VAC, 230VAC) or special features. These are the core contactors, not accessories like auxiliary contacts or coil modules.
We offer these Danfoss contactors with real-time pricing and up to 65% discount off list price. Our engineering team provides personalized technical support for selection and integration. Enjoy express worldwide shipping from stock, ensuring minimal downtime for your projects.
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