Siemens 3RT1054-3AT36 SIRIUS Power Contactor, 115A, 55kW, 575-600V AC/DC Coil, Box/Spring Terminals Original Brand New

Overview

The Siemens 3RT1054-3AT36 is a robust and high-performance SIRIUS power contactor, designed for reliable motor switching and general load control in industrial automation and electrical installations. As a key component in the SIRIUS modular system, this size S6, 3-pole contactor is rated for 115A (AC-3e/AC-3) and supports a motor power of 55 kW at 400 V. Its versatility is ensured by a wide-range AC (50-60 Hz) / DC control voltage of 575-600 V Uc, making it suitable for global applications.

The contactor integrates essential built-in auxiliary contacts, featuring 2 Normally Open (NO) + 2 Normally Closed (NC), and utilizes a conventional drive. Connection convenience is maximized with box terminals for the main circuit and spring-loaded terminals for the control and auxiliary circuits, enabling fast, vibration-proof, and maintenance-free wiring.

Key Features & Technical Specification

• Product Number: 3RT1054-3AT36
• Type: SIRIUS Power Contactor
• Size: S6
• Poles: 3-pole
• Rated Operational Current (AC-3e/AC-3): 115 A
• Rated Power (400V): 55 kW
• Control Supply Voltage (Uc): 575-600 V AC (50-60 Hz) / DC
• Auxiliary Contacts: Integrated 2 NO + 2 NC
• Main Circuit Terminals: Box Terminals
• Control/Auxiliary Terminals: Spring-Loaded Terminals
• Drive Type: Conventional
• Application: Ideal for switching electric motors, resistive loads, and general automation applications.

Benefit

1. High Performance and Reliability: Rated for 115 A and 55 kW, providing dependable control for high-power motors.
2. Global Versatility: Wide-range 575-600V AC/DC control voltage accommodates diverse international electrical standards.
3. Fast & Secure Wiring: Spring-loaded terminals on the control and auxiliary circuits ensure quick installation, vibration resistance, and reduced maintenance over time.
4. Modular System Integration: Seamlessly fits into the Siemens SIRIUS modular system, allowing easy combination with overload relays (e.g., 3RU/3RB), circuit breakers, and accessories.
5. Integrated Signaling: Pre-installed 2 NO + 2 NC auxiliary contacts simplify circuit design for monitoring and control functions.

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