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Description

Overview

The Siemens SIRIUS 3RT1476-6AP36-0AE0 is a high-performance, robust power contactor designed for reliable switching operations in demanding industrial applications, specifically for AC-1 resistive loads. As a key component in the SIRIUS modular system, it offers exceptional current carrying capability and operational reliability. Engineered for efficiency and longevity, this 3-pole contactor is rated for a massive 690 A at 690 V and 40 °C, making it ideal for controlling large loads such as heating elements, lighting systems, and distribution circuits.

Benefit & Advantages

• High Power Handling: Rated for 690 A (AC-1), providing reliable switching for very large resistive loads.

• Dual-Voltage Coil Flexibility: The conventional drive system accepts both 220-240 V AC (50-60 Hz) and DC control voltages, simplifying inventory and allowing for flexible integration into various control schemes.

• Integrated Auxiliary Contacts: Features built-in 2 NO + 2 NC contacts, offering essential feedback and interlocking capabilities without requiring additional modules.

• Robust Connection System: Busbar connection for the main circuit ensures high current conductivity and secure, professional installation. Screw terminals for the control and auxiliary circuits provide a reliable and familiar wiring method.

• Compact SIRIUS Design: Part of the globally recognized Siemens SIRIUS family, ensuring quality, availability, and seamless integration with other SIRIUS components (like overloads, motor starters, etc.).

Function

The 3RT1476-6AP36-0AE0 contactor’s primary function is to act as an electrically operated switch. Upon application of the control voltage (220-240V AC/DC) to the coil, the three main power contacts close, allowing the high-current circuit (up to 690 A) to energize. When the control voltage is removed, the contacts open, de-energizing the main circuit. The auxiliary contacts simultaneously change state, providing remote indication or control logic signals.

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