Siemens 3RT1456-6AB36 Power Contactor AC-1, 275A / 690V, 3-Pole, Screw Terminal Original Brand New

Overview

The Siemens 3RT1456-6AB36 is a robust power contactor designed for high-capacity industrial applications. Built to handle AC-1 loads up to 275 A at 690 V and withstand temperatures up to 40°C, this 3-pole contactor ensures reliable switching performance. Its conventional auxiliary contacts (2 NO + 2 NC) provide flexible control options, while the main circuit supports busbar connections and the auxiliary circuit uses secure screw terminals. Perfect for industrial automation, motor control, and heavy-duty power management.

Key Features & Function

• High Current Capacity: AC-1 rated at 275 A for reliable operation in heavy-duty applications.

• Voltage Rating: Suitable for 690 V systems, ensuring versatility in industrial setups.

• 3-Pole Design: Optimized for three-phase systems, ensuring balanced load distribution.

• Auxiliary Contacts: 2 NO + 2 NC for enhanced control and automation options.

• Control Voltage: Uc: 23-26 V AC (50-60 Hz) / DC drive for flexible installation.

• Connection Type: Main circuit via busbar; auxiliary circuits secured with screw terminals.

• Temperature Resistance: Designed to operate efficiently at 40°C ambient conditions.

Benefit

• Reliable Switching: Ensures consistent performance for high-current industrial applications.

• Enhanced Safety: Screw terminals and standardized connections minimize installation risks.

• Flexible Integration: Compatible with both AC and DC control voltages for automation systems.

• Durability: Siemens engineering ensures long service life and minimal maintenance.

• Scalable Applications: Ideal for motors, heating systems, and heavy machinery control.

Application

This contactor is ideally suited for switching tasks in various industrial and commercial settings, including:

• Heating Systems: Switching of resistive heating elements in ovens, furnaces, and climate control.

• Power Distribution: General load switching and isolation in electrical panels.

• Capacitor Banks: Switching in power factor correction systems (when used with appropriate limiting resistors).

• Industrial Machinery: Controlling large general-purpose resistive loads.

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