Siemens SIRIUS 3RT2037-1AL24 Power Contactor, 65A, 30 kW, 230V AC Coil, 3-Pole, Size S2 Original Brand New

Overview

The Siemens SIRIUS 3RT2037-1AL24 Power Contactor is a high-performance switching device for controlling electric motors, designed as part of the modular SIRIUS system. This specific model handles an operational current of 65 A (AC-3e/AC-3) and a rated power of 30 kW at 400 V. Engineered for reliability and compact design, the 3RT2037-1AL24 is ideal for demanding industrial automation and control applications. It features a reliable $230\text{V AC},50/60\text{ Hz}$ control voltage and is supplied with a pre-installed removable auxiliary switch block (2 NO + 2 NC).

Key Technical Specification

• Product ID: 3RT2037-1AL24 (Essential for quick search)
• Manufacturer: Siemens
• Series: SIRIUS 3RT2
• Contactor Size: S2
• Poles: 3-pole
• Rated Operational Current (AC-3e/AC-3, 400 V): $65\text{ A}$
• Rated Operational Power (AC-3, 400 V): $30\text{ kW}$
• Control Supply Voltage: $230\text{ V AC},50/60\text{ Hz}$
• Auxiliary Contacts: $2\text{ NO}+2\text{ NC}$ (Removable)
• Main Circuit Connection: Screw Terminal
• Compatibility: IE3/IE4-ready, suitable for worldwide use (IEC, UL/CSA)
• Replacement for: Well-proven 3RT1 series contactors

Benefit & Application

• Enhanced Reliability: Part of the established SIRIUS modular system, ensuring high contact reliability and long mechanical service life (up to 10 million operating cycles).
• Space-Saving Design: The compact Size S2 Contactor allows for efficient panel layout.
• Simplified Wiring: Equipped with robust screw terminals for secure connection of the main and auxiliary circuits.
• Increased Flexibility: The removable auxiliary switch block (2 NO + 2 NC) provides immediate signaling capabilities and simplifies maintenance or modification.
• Global Compliance: Approved for worldwide use (IEC and UL/CSA), making it suitable for international machinery and systems.
• Core Function: Motor switching for standard and energy-efficient motors (IE3/IE4).

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