Siemens 3RT2035-1SB30 Power Contactor, 3-Pole, 41A, 18.5kW, AC-3, Varistor, 21-33V AC/DC, Size S2 Original Brand New

Product Overview

The Siemens 3RT2035-1SB30 is a premium 3-pole power contactor designed for reliable performance in industrial motor control applications. Operating under AC-3e/AC-3 utilization categories, it supports up to 41 A and 18.5 kW at 400 V, making it a powerful and compact solution for motor switching and control.

High-performance Siemens 3RT2035-1SB30 power contactor, 3-pole, 41 A, 18.5 kW / 400 V, AC-3e/AC-3 duty, 21-33 V AC/DC, with integrated varistor, auxiliary contact 1 NC, screw terminals, size S2 – ideal for industrial motor control.

Key Benefit

• High Performance: Rated for 41 A and 18.5 kW power – ideal for heavy-duty motor applications.

• Integrated Varistor: Enhances surge protection and increases lifespan of connected devices.

• Versatile Coil Voltage: Operates on both AC/DC between 21–33 V, suitable for various control systems.

• Compact Design: Size S2 ensures space-saving installation in control panels.

• Reliable Connections: Screw terminals ensure firm, secure wiring.

• Built-In Auxiliary Contact (1 NC): Added functionality for feedback circuits or interlocks.

Function & Application

The 3RT2035-1SB30 is specifically designed for controlling three-phase motors and electrical loads under AC-3 or AC-3e duty. It is widely used in:

• Motor starters

• Automation systems

• Industrial machinery

• HVAC systems

• Conveyor systems

Its robust construction, integrated varistor, and low-voltage coil range make it suitable for automated and energy-efficient control systems.

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