Siemens 3RT1075-2AT36 Power Contactor 3-Pole, 400A, 200kW, AC-3e/AC-3, 400V, 50/60Hz Original Brand New

Overview

The Siemens 3RT1075-2AT36 Power Contactor is a high-performance industrial contactor engineered for reliable switching of electric motors and heavy loads in demanding environments. Designed with Siemens’ precision engineering, this 3-pole contactor provides exceptional durability, efficient energy handling, and easy installation for control and distribution systems.

It is ideal for applications requiring AC-3e/AC-3 operation at 400 A and 200 kW (400 V AC, 50–60 Hz) or DC Uc: 575–600 V. The contactor includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, ensuring flexible integration in a wide range of electrical systems.

Key Features & Technical Specifications

• Model: Siemens 3RT1075-2AT36

• Type: Power Contactor

• Rated Operational Current: 400 A (AC-3e / AC-3)

• Rated Power: 200 kW @ 400 V AC (50/60 Hz)

• Control Voltage (Uc): 575–600 V DC

• Poles: 3-Pole

• Auxiliary Contacts: 2 NO + 2 NC

• Drive Type: Conventional

• Main Circuit Connection: Busbar

• Control & Auxiliary Circuit: Spring-loaded terminal for secure connection

• Mounting: Easy and robust installation

• Manufacturer: Siemens

• Category: Industrial Control / Power Contactors

Benefits

• High Switching Capacity: Designed for demanding industrial loads and motor control applications.
• Reliable Performance: Siemens quality ensures long operational life and stable function under continuous operation.
• Easy Installation: Busbar connection and spring-loaded terminals simplify wiring and reduce setup time.
• Versatile Integration: Compatible with both AC and DC control circuits.
• Enhanced Safety: Secure and stable contact system for reliable operation.
• Maintenance-Friendly Design: Simplified replacement and inspection to minimize downtime.

Applications

• Motor control centers (MCC)

• Industrial automation systems

• Power distribution panels

• Conveyor systems

• HVAC and pump control

• Heavy-duty machinery operations

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