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Home » Products » Siemens Coupling Contactor | 3RT2035

Siemens Coupling Contactor | 3RT2035

  • Siemens 3RT2035-1KB40 – Coupling contactor for motor control.

  • Rated 18.5 kW (25 HP) AC3 – for 400V three-phase motors.

  • 24VDC control coil – PLC and safety extra-low voltage (SELV) compatible.

  • 1 NO + 1 NC auxiliary contacts – for control and signaling.

  • Ideal for pumps, fans, compressors, and conveyor systems in GCC industrial applications.

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The Siemens 3RT2035-1KB40 Coupling Contactor provides reliable motor control for industrial applications. It is rated for AC3 loads up to 18.5 kW (25 HP) at 400V. This makes it ideal for starting and stopping motors in pumps, fans, and compressors.

It features a 24VDC control coil, which is safe and compatible with modern PLC systems. The unit also includes one normally open (NO) and one normally closed (NC) auxiliary contact. These allow flexible integration into control and signaling circuits.

Built as part of the Siemens SIRIUS 3RT series, this contactor ensures long electrical life and high durability. It meets international standards for performance and safety. Engineers and panel builders across the GCC specify it for water treatment, HVAC, and industrial machinery projects.