Siemens SIRIUS 3RT2035-1CP04 Power Contactor AC-3e/AC-3, 41A, 18.5kW, 2 NO + 2 NC, 230V AC Coil, Screw Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2035-1CP04 is a robust and reliable power contactor from the trusted SIRIUS family of industrial control products. Engineered for superior performance and efficiency, this 3-pole contactor is ideal for switching motors and other resistive loads. It features a compact Size S2 design, making it a space-saving solution for control panels and electrical cabinets. With its integrated varistor for surge protection and a versatile 2 NO + 2 NC auxiliary switch block, the 3RT2035-1CP04 offers a high degree of flexibility and safety for a wide range of industrial applications.

Key Features & Specification

• Product Number: 3RT2035-1CP04
• Contactor Type: Power Contactor, 3-Pole
• Rated Operational Current (AC-3e/AC-3): 41 A (at 400 V)
• Rated Power (AC-3e/AC-3): 18.5 kW (at 400 V)
• Operating Voltage: 230 V AC, 50 Hz
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Connection Type: Screw Terminals
• Size: S2
• Integrated Protection: Plugged-in varistor for coil surge suppression
• Additional Functionality: Removable auxiliary switch block for easy configuration
• Series: SIRIUS 3RT2

Benefit

• High Performance: Designed to handle demanding motor control applications with a high current rating of 41 A.
• Enhanced Safety: The integrated varistor protects the control circuit from voltage spikes, extending the lifespan of the contactor and connected components.
• Versatile Connectivity: Screw terminals provide a secure and reliable connection, suitable for a variety of wiring applications.
• Space-Saving Design: The compact Size S2 form factor allows for efficient use of space within control cabinets.
• Flexible Configuration: The included removable auxiliary switch block (2 NO + 2 NC) offers multiple feedback and interlocking options for complex control systems.
• Reliability: Part of the Siemens SIRIUS range, known for its proven quality and long-term operational reliability in industrial environments.

Function

The Siemens 3RT2035-1CP04 serves as a crucial component in motor control circuits, performing the following functions:

1. Motor Switching: Efficiently turns a motor on and off by making or breaking the power supply to it.
2. Remote Control: Allows for the remote activation or deactivation of a load using the 230 V AC control coil.
3. Circuit Protection: The varistor protects against transient voltage surges, a common issue in industrial power systems.
4. Interlocking & Signaling: The 2 NO + 2 NC auxiliary contacts can be used for feedback (e.g., to indicate the contactor’s status) or for electrical interlocking with other devices to prevent unsafe operation.

Application

This power contactor is suitable for a wide range of industrial applications, including:

• Motor control for pumps, fans, conveyors, and compressors
• Switching of resistive loads and heating elements
• Integration into automated machinery and control systems
• Main circuit switching in industrial installations

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