Siemens SIRIUS 3RT2038-3XJ40-0LA2 S2 Traction Contactor 80A, 72V DC, 1 NO + 1 NC, Screw/Spring-Loaded Terminals Original Brand New

Overview

The Siemens SIRIUS 3RT2038-3XJ40-0LA2 is a high-performance traction contactor engineered for demanding applications. This 3-pole contactor, part of the S2 frame size, is designed to handle up to 80 A and 37 kW at 400 V (AC-3e/AC-3), making it ideal for controlling motors and other heavy-duty loads.

Its robust design and solid-state operating mechanism with an integrated varistor ensure reliable and long-lasting performance, even in challenging environments. The versatile terminal configuration, featuring screw terminals for the main circuit and spring-loaded terminals for control and auxiliary circuits, provides secure and flexible wiring options.

Key Features & Benefit

• High Power Handling: Rated for 80 A and 37 kW at 400 V, suitable for a wide range of industrial and traction applications.
• Durable Design: Solid-state operating mechanism with an integrated varistor protects against voltage spikes, extending the contactor’s lifespan.
• Reliable Control: Operates on a 72 V DC supply, with a wide voltage tolerance (0.7-1.25* Uc) for stable performance under fluctuating conditions.
• Versatile Auxiliary Contacts: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, offering flexibility for control and signaling circuits.
• Efficient & Secure Wiring: Main circuit uses traditional screw terminals for robust connections, while the control and auxiliary circuits utilize spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring.
• Compact Frame Size: The S2 frame size allows for space-saving installation in control cabinets.
• Genuine Siemens Quality: Manufactured by Siemens, a global leader in industrial automation, ensuring top-tier quality and reliability.

Function

• Motor Control: Switches and controls the power supply to AC motors in various applications.
• Load Switching: Used for switching high-current loads in industrial automation, traction, and other electrical systems.
• Control & Signaling: The integrated auxiliary contacts enable signaling status or creating interlocks within a control system.

Application

• Traction systems (e.g., electric trains, trams)
• Industrial motor control
• Pump and fan control
• Conveyor systems
• Heavy machinery and equipment

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