Siemens 3RT1076-2AR36 Power Contactor 500 A, 250 kW, 3-Pole AC/DC Original Brand New

Overview

The Siemens 3RT1076-2AR36 power contactor is designed for heavy-duty electrical applications, offering exceptional reliability and durability. Built to handle AC-3e/AC-3 loads up to 500 A and 250 kW at 400 V AC, this 3-pole contactor ensures safe and efficient switching in industrial control systems. Its integrated 2 NO + 2 NC auxiliary contacts and spring-loaded terminals make wiring quick and secure, while the conventional main circuit design allows seamless integration with busbar control systems. Ideal for machinery, motor control centers, and industrial automation projects.

Key Features & Function

• High Current Capacity: Supports up to 500 A for AC-3e/AC-3 loads.

• Powerful Load Handling: Rated for 250 kW at 400 V AC (50-60 Hz).

• Flexible Control: Conventional main circuit compatible with busbar systems.

• Auxiliary Contacts: 2 NO + 2 NC for additional control and signaling.

• Durable Design: Spring-loaded terminals ensure secure and vibration-resistant connections.

• Versatile Operation: AC and DC compatible with Uc: 440–480 V.

• 3-Pole Switching: Provides reliable three-phase power control.

Benefit

• Reliable Performance: Ensures consistent switching under high loads.

• Easy Installation: Spring-loaded terminals save time and improve connection reliability.

• Enhanced Safety: Auxiliary contacts allow precise control and monitoring.

• Versatile Applications: Suitable for motor control, industrial machines, and automation systems.

• Long Lifespan: Designed for continuous industrial operation with minimal maintenance.

Application

The 3RT1076-2AR36 functions as a primary switching element in motor control circuits, automatically making and breaking connections to the motor or load. It is ideally suited for demanding applications such as:

• Controlling large industrial motors (pumps, compressors, fans).

• Switching large resistive or inductive loads.

• Integration into complex control panels and motor control centers (MCCs).

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