Siemens SIRIUS 3RT2038-1SF30 Power Contactor, 80A, 37kW, 83-150V AC/DC, Screw Terminal Original Brand New

Overview

The Siemens SIRIUS 3RT2038-1SF30 Power Contactor is a high-performance, 3-pole switching device from the SIRIUS 3RT2 series, sized S2. Designed for safe and functional control of electric motors up to 37 kW at 400 V, this contactor features a wide-range 83-150 V AC/DC control voltage with an integrated varistor for surge suppression. Its robust design and screw terminal connections ensure reliable operation in demanding industrial applications, particularly those requiring safe shutdown via an F-PLC-IN interface.

Key Specifications / Features

• Product Number: 3RT2038-1SF30
• Product Brand: Siemens SIRIUS
• Product Type: Power Contactor for Motor Switching (AC-3e/AC-3)
• Size: S2
• Rated Operating Current (Ie​): 80 A (at $400\text{ V}$)
• Rated Power (Pe​): 37 kW (at $400\text{ V}$)
• Number of Poles: 3-pole
• Control Supply Voltage (Us​): 83-150 V AC/DC (Wide Range)
• Integrated Protection: Varistor (for coil surge suppression)
• Auxiliary Contacts: 1 NC (Normally Closed)
• Connection Type: Screw Terminal
• Special Feature: F-PLC-IN Interface (Safe Control via Fail-Safe PLC)

Benefit

• High Performance: Safely switches motors up to 37 kW, suitable for heavy-duty industrial loads.
• Flexible Control: Wide-range AC/DC coil (83-150V) simplifies stock-keeping and offers versatility in control voltage.
• Enhanced Safety: Integrated varistor protects the control circuit from voltage surges, increasing system reliability and component lifespan.
• Safety Integration: The F-PLC-IN interface is optimized for direct control from safety-related PLC outputs, crucial for modern functional safety applications.
• Durable Connections: Robust screw terminals ensure a secure, long-lasting connection for both main and auxiliary circuits.
• Compact S2 Size: Offers a high current rating in a space-saving industrial footprint.

Function & Application

The Siemens 3RT2038-1SF30 is a core component for electrical control systems, primarily functioning as a power switch for electric motors (switching category AC-3e/AC-3).

• Function: Electromagnetically isolates and connects three-phase loads, typically motors, to the main power supply. It is crucial for starting, stopping, and controlling motors in industrial machinery.
• Applications:
  • Motor Starters (DOL, Reversing)
  • Heating, Ventilation, and Air Conditioning (HVAC) Systems
  • Pumps and Conveyor Systems
  • General Industrial Control Panels requiring reliable and safe load switching.

For more of our products and competitive pricing on the Siemens SIRIUS range, visit $\text{Turll}$ today!