Siemens SIRIUS 3RT2035-1AP04 Power Contactor AC-3e/AC-3, 41A, 18.5kW, 2NO+2NC, 230V AC Coil, Screw Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2035-1AP04 is a high-performance power contactor designed for reliable switching and control of motors and other electrical loads up to 18.5 kW at 400V. As part of the SIRIUS 3RT2 series, this size S2 contactor is engineered for optimal efficiency, durability, and a compact design, making it a perfect solution for industrial automation and motor control applications. Its integrated auxiliary contacts (2 NO + 2 NC) and a removable auxiliary switch module provide enhanced flexibility and control capabilities.

Features & Specification

• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT2
• Product Number: 3RT2035-1AP04
• Rated Operational Current (AC-3e/AC-3): 41 A
• Rated Power (AC-3e/AC-3): 18.5 kW @ 400 V
• Number of Poles: 3-pole
• Control Supply Voltage: 230 V AC, 50 Hz
• Auxiliary Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)
• Terminal Type: Screw Terminal
• Size: S2
• Special Features: Removable auxiliary switch module
• Standards: IEC 60947, VDE 0660
• Mounting: Snap-on and screw fixing on DIN rail

Benefit

• High Performance: Capable of handling significant loads up to 18.5 kW, ensuring reliable motor control in demanding industrial environments.
• Energy Efficient: The SIRIUS 3RT2 series is known for its low power consumption, helping to reduce operational costs.
• Enhanced Flexibility: The 2 NO + 2 NC auxiliary contacts provide multiple options for signaling, interlocks, and control circuits. The removable auxiliary switch offers easy customization and maintenance.
• Robust & Durable: Built with high-quality materials to withstand harsh industrial conditions and provide a long service life.
• Easy Installation: Designed for simple and quick mounting on a DIN rail, saving time during setup.
• Space-Saving Design: The compact S2 frame size helps optimize panel space, allowing for more components in a smaller footprint.

Function

The Siemens 3RT2035-1AP04 power contactor is primarily used for:

• Switching and controlling motors: The main application is the switching of three-phase motors in various industrial machinery.
• Controlling resistive loads: Can also be used to switch heating elements and other resistive loads.
• Interfacing with control systems: The auxiliary contacts allow for integration with PLCs, relays, and other control circuits for status feedback and interlocking.
• Building motor starters: Often used as a key component in direct-on-line (DOL) starters and reversing starters.

Application

• Industrial automation
• Machine building
• HVAC systems
• Pump control
• Conveyor systems
• Packaging machinery

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