Siemens SIRIUS 3RT1056-6AB36 Power Contactor 185A, 90kW, 23-26V AC/DC Coil, S6, Busbar Original Brand New

Overview

The Siemens 3RT1056-6AB36 Power Contactor from the renowned SIRIUS 3RT1 series is a high-performance, 3-pole switching device engineered for demanding motor control applications. Classified for both the traditional AC-3 and the new, energy-efficient AC-3e utilization categories, this contactor offers exceptional reliability and longevity. Rated for a powerful 185 A at 90 kW / 400 V, it is a robust solution for switching large electric motors and other significant loads in industrial environments. Its compact design relative to its performance makes it an ideal component for efficient panel building.

Benefit

• Maximum Flexibility: Features a wide-range 23-26 V AC/DC control voltage for both AC and DC coil operation, simplifying inventory and compatibility.
• Ready for IE3/IE4 Motors: Complies with the modern AC-3e utilization category, making it perfectly suited for switching high-efficiency IE3/IE4 motors.
• Fast and Reliable Connectivity: Busbar connection on the main circuit ensures robust, high-current connections, while screw terminals on the control/auxiliary circuit offer reliable wiring.
• Part of the SIRIUS Modular System: Seamlessly integrates with other SIRIUS components like overload relays and circuit breakers for building complete, coordinated load feeders.

Technical Functions and Use Cases

The 3RT1056-6AB36 is primarily designed for switching three-phase asynchronous motors.

• Resistive Loads: Suitable for switching non-inductive or slightly inductive loads, such as electric heating.
• Industrial Applications: Ideal for use in heavy industry, machinery, HVAC systems, pumping stations, and large conveyor systems where reliable, high-current motor control is critical.

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