Siemens 3RT1054-3AF36 Power Contactor 115 A, 55 kW, 3-Pole, AC/DC Control Original Brand New

Overview

The Siemens 3RT1054-3AF36 is a high-performance power contactor designed for demanding industrial applications. With a robust AC-3e / AC-3 rating of 115 A and a power capacity of 55 kW at 400 V, it provides reliable operation for motors, machinery, and automation systems. Featuring 3-pole switching and auxiliary contacts 2 NO + 2 NC, this contactor ensures efficient control and monitoring of your electrical systems.

Key Features & Benefit

• High Power Capacity: 115 A, suitable for heavy-duty AC-3 applications.

• Reliable Motor Control: Supports up to 55 kW at 400 V.

• Flexible Operation: Compatible with AC (50-60 Hz) / DC control voltages (Uc: 110-127 V).

• Robust Design: 3-pole main circuit with conventional box terminal ensures secure connections.

• Convenient Auxiliary Functionality: 2 NO + 2 NC contacts for versatile control and signaling.

• Easy Installation & Maintenance: Spring-loaded terminals for auxiliary and control circuits reduce wiring effort.

• Industrial-Grade Durability: Siemens engineering guarantees long service life and dependable performance.

Function & Application

The Siemens 3RT1054-3AF36 power contactor is ideal for:

• Motor control circuits in industrial machinery

• Automation and production line systems

• Switching high-power AC loads

• Electrical panels requiring reliable auxiliary signaling

It operates efficiently under both AC and DC control voltages, making it suitable for diverse industrial environments.

Technical Specification

• Rated Current (AC-3e/AC-3): 115 A

• Rated Power: 55 kW / 400 V

• Poles: 3

• Auxiliary Contacts: 2 NO + 2 NC

• Control Voltage (Uc): AC/DC 110-127 V

• Main Circuit Terminals: Box terminal

• Control & Auxiliary Terminals: Spring-loaded terminal

• Frequency: 50-60 Hz

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