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Contactors up to 170A
Contactors up to 170A are electromechanical switching devices designed for remote control of electrical loads in industrial and commercial installations. These components, often referred to as power contactors or motor contactors, are rated for continuous currents up to 170 amperes and are available in configurations such as 3-pole (3P) or 4-pol...
Contactors up to 170A are electromechanical switching devices designed for remote control of electrical loads in industrial and commercial installations. These components, often referred to as power contactors or motor contactors, are rated for continuous currents up to 170 amperes and are available in configurations such as 3-pole (3P) or 4-pole (4P) for three-phase or single-phase applications. They typically operate with coil voltages of 24V AC/DC, 110V, 230V, or 400V AC, and are built to handle high inrush currents during motor starting. Key technical parameters include rated operational voltage (up to 690V AC), utilization categories (AC-1 for resistive loads, AC-3 for squirrel-cage motors, AC-4 for reversing/plugging), and mechanical endurance exceeding 10 million operations. Accessories like auxiliary contact blocks, surge suppressors, and mechanical interlocks enhance functionality. In the global market, these devices are known as contactors, power contactors, or motor contactors, with regional variations like "Schütz" in German-speaking areas.
Contactors up to 170A are deployed in motor control centers (MCCs), distribution panels, and automation systems across sectors such as manufacturing, HVAC, water treatment, and material handling. They are integral to starting and stopping motors, controlling lighting circuits, switching capacitor banks for power factor correction, and managing resistive heating loads. In industrial environments, they are often paired with overload relays for motor protection and programmable logic controllers (PLCs) for automated sequencing. Their robust design ensures reliable operation in harsh conditions, including dusty or humid settings, with enclosure ratings like IP20 for panel mounting or IP65 for standalone installations.
Key subcategories include standard power contactors (e.g., Eaton Moeller DIL series, Siemens Sirius 3RT, ABB AF series) and specialized versions like reversing contactors or contactors with DC coil operation. For the DIL series, article codes follow a pattern like DILM17-10 (17A rated current, 1 NO + 0 NC auxiliary contacts) or DILM170-22 (170A, 2 NO + 2 NC). Other common codes include DILM25-10, DILM40-10, DILM65-10, DILM95-10, and DILM150-22, where the number after "DILM" indicates the rated current in amperes. These contactors are available with screw, spring-cage, or ring-tongue terminals for flexible wiring.
Partnering with Electric Automation Network ensures access to genuine contactors from top manufacturers like Eaton, Siemens, and ABB at competitive prices with up to 65% discount. Our engineering team provides personalized technical support for selecting the right contactor based on load type, coil voltage, and environmental conditions. We offer real-time pricing, detailed technical documentation per article, and express worldwide shipping to minimize downtime. Whether you need a single unit for a repair or bulk quantities for a new installation, our logistics network ensures fast delivery to any global destination.
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