Siemens 3RT2038-1SB30 SIRIUS S2 Power Contactor 80A, 3-Pole, 37kW, 21-33V AC/DC, F-PLC-IN Original Brand New

Overview

The Siemens 3RT2038-1SB30 is a high-performance SIRIUS series power contactor designed for robust and reliable switching of three-phase loads up to 80 A. Engineered for modern industrial applications, this S2 size contactor features an integrated varistor for surge protection and a wide-range AC/DC operating voltage, making it incredibly versatile.

Its F-PLC-IN designation signifies a direct connection capability to fail-safe PLCs, ensuring seamless integration into safety-related circuits. With its durable screw terminals and compact design, the 3RT2038-1SB30 is an ideal choice for motor control, switching resistive loads, and other power control applications where space and reliability are critical.

Key Features & Benefit

• High Switching Capacity: Rated for AC-3e/AC-3, 80 A, and 37 kW at 400 V, it can handle demanding inductive and resistive loads with ease.
• Versatile Control Voltage: The wide operating range of 21-33 V AC/DC allows for flexible use with various control systems, reducing inventory and complexity.
• Integrated Varistor: Protects the coil and connected electronics from voltage spikes, extending the lifespan of the contactor and the overall system.
• F-PLC-IN Interface: Enables direct and reliable connection to fail-safe PLCs, simplifying wiring and enhancing the safety of your machinery.
• Space-Saving Design: The compact S2 size form factor allows for higher density installations in control cabinets, optimizing panel space.
• Reliable Connections: Robust screw terminals ensure a secure and long-lasting connection, minimizing maintenance and downtime.
• Integrated Auxiliary Contact: Comes with a pre-installed 1 NC auxiliary contact, providing immediate feedback on the contactor’s status.

Function

• Motor Switching: Efficiently switches three-phase motors up to 37 kW, suitable for a wide range of industrial machinery.
• Load Control: Can be used for switching and controlling other types of loads, such as heating elements, lighting systems, and transformers.
• Safety Integration: The F-PLC-IN interface allows the contactor to be directly controlled by a fail-safe PLC, meeting strict safety requirements.
• Circuit Protection: The integrated varistor suppresses voltage surges, protecting the control circuit and prolonging the life of the contactor.

Technical Specification

• Product Type: Power Contactor
• Product Series: Siemens SIRIUS 3RT2
• Product Number: 3RT2038-1SB30
• Size: S2
• Rated Current (AC-3e/AC-3): 80 A
• Rated Power (400 V): 37 kW
• Number of Poles: 3
• Control Supply Voltage: 21-33 V AC/DC
• Frequency: 50/60 Hz
• Auxiliary Contacts: 1 NC (Normally Closed)
• Coil Features: Integrated Varistor
• Terminal Type: Screw Terminal
• Special Function: F-PLC-IN (Fail-safe PLC Input)

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