Siemens SIRIUS 3RT2018-2UB41 Power Contactor, S00 Size, 16A, 7.5kW, 400V, 24V DC Coil, Spring-Loaded Terminals Original Brand New

Overview 

The Siemens 3RT2018-2UB41 Power Contactor is a high-performance solution for controlling and switching electric motors and other inductive loads. Designed with Siemens’ renowned engineering quality, this 3-pole contactor provides reliable performance in industrial and commercial automation systems. With a current rating of 16A and power capacity up to 7.5kW at 400V, it ensures dependable operation even under demanding conditions.

This model comes equipped with a 24V DC coil, integrated varistor, and 1 NO auxiliary contact for enhanced safety and control. Its spring-loaded terminals simplify installation and ensure secure wiring connections, making it ideal for OEMs, panel builders, and maintenance engineers.

Benefits

• Reliable Performance: Engineered for high durability and long service life under heavy load conditions.
• Enhanced Safety: Integrated varistor protects against voltage surges.
• Easy Installation: Spring-loaded terminals offer quick, secure wiring.
• Energy Efficient: Optimized coil design reduces energy consumption.
• Compact Design: Space-saving S00 size ideal for control cabinets.
• Versatile Application: Suitable for motor control, automation, and switching circuits.

Applications

• Motor control centers (MCCs)

• Conveyor systems

• HVAC and pump systems

• Industrial automation panels

• Building and factory control systems

Functionality

The Siemens 3RT2018-2UB41 contactor is designed to switch and control AC motors in compliance with IEC standards. The integrated varistor reduces transient voltages across the coil, improving longevity. Its 1NO auxiliary contact provides feedback or signaling functionality for PLCs or monitoring systems.

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