Siemens 3RT1066-2AU36 Power Contactor 3-Pole, 300A, 160kW, 240-277V AC/DC Original Brand New

Overview

The Siemens 3RT1066-2AU36 is a premium industrial-grade power contactor designed for high-demand applications. Engineered to handle currents up to 300 A and power ratings of 160 kW at 400 V, this 3-pole contactor ensures reliable operation under AC and DC voltages. With built-in auxiliary contacts (2 NO + 2 NC) and spring-loaded terminals, it’s an efficient and robust solution for motor and power switching in industrial automation systems.

Key Benefit

• High switching capacity up to 300 A, suitable for heavy-duty applications.

• Dual voltage compatibility (AC 50–60 Hz / DC 240–277 V) ensures operational flexibility.

• Pre-installed auxiliary contacts (2 Normally Open + 2 Normally Closed) for enhanced control options.

• Reliable spring-loaded terminals for faster and safer installation of control circuits.

• Busbar main circuit connection supports compact panel design and efficient power distribution.

• Backed by Siemens quality, ensuring long operational life and reduced maintenance costs.

Function & Application

• Designed for use in AC-3 and AC-3e motor switching applications

• Ideal for electric motor control, industrial machinery, HVAC systems, and automation panels

• Works seamlessly in control panels requiring high current switching and reliable auxiliary contacts

• Supports conventional drive systems with easy integration into existing setups

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