Siemens 3RT1054-1SF36-3PA0 Power Contactor 115 A, 55 kW, 3-Pole, AC/DC Control Original Brand New

Overview

The Siemens 3RT1054-1SF36-3PA0 is a high-performance power contactor designed for industrial automation and control systems. Built to deliver reliability and efficiency, this 3-pole contactor is suitable for AC-3e/AC-3 loads, handling up to 115 A and a maximum power of 55 kW at 400 V AC. Its electronic main circuit and robust construction ensure long-lasting operation in demanding environments.

Equipped with permanently mounted auxiliary contacts (2 NO + 2 NC) and an F-PLC input of 24 V DC, it provides seamless integration with PLC systems. The device features box terminals for the main circuit and screw terminals for the control and auxiliary circuits, ensuring secure and flexible installation.

Key Features & Function

• Rated Current: AC-3e/AC-3 115 A

• Power Rating: 55 kW / 400 V AC

• Voltage Control: AC (50-60 Hz) / DC Uc: 96-127 V x (0.8-1.1)

• Poles: 3-pole

• Auxiliary Contacts: 2 NO + 2 NC permanently mounted

• Drive Type: Electronic

• Main Circuit Connection: Box terminal

• Control & Auxiliary Circuit: Screw terminal

• PLC Integration: F-PLC input 24 V DC

Benefit

1. High Reliability: Engineered for continuous operation under demanding industrial conditions.

2. Flexible Integration: Perfectly compatible with PLC and automation systems.

3. Enhanced Safety: Screw and box terminals reduce the risk of loose connections.

4. Energy Efficient: Optimized for AC and DC applications, reducing energy loss.

5. Durable Construction: Long-lasting electronic drive and robust mechanical design.

Application

• Industrial automation systems

• Motor control circuits

• PLC-based control panels

• Manufacturing and production lines

• Heavy machinery switching and protection

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