Siemens

Siemens Solid-state contactor 1-phase, 48 - 460V

SKU / Article No. 3RF2320-1BA44
Product Type Control Panel
Product Class Solid state relay
Category Contactors and Motor Protection
Sub-category Contactor
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Product Description

Product Overview

Solid-state contactor for 1-phase applications featuring instantaneous switching technology for precise load control. This SIRIUS 3RF2 series contactor delivers 12A switching capacity at AC-15 load type with 15A at AC-51, operating across 48-460V AC with versatile 4-30V DC control voltage for enhanced system integration flexibility.

Key Features:

  • Instantaneous switching immediate response without zero-point switching for precise control timing
  • 1-phase switching designed for single-phase resistive and inductive load applications
  • Dual current ratings 15A at AC-51 and 12A at AC-15 load types for versatile applications
  • Wide voltage range operates from 48-460V AC for broad compatibility
  • Flexible control voltage 4-30V DC range accommodates various control systems
  • Integrated heat sink built-in thermal management for reliable operation

Technical Specifications:

  • Load Voltage: 48-460V AC
  • Control Voltage: 4-30V DC
  • Rated Current AC-51: 15A (at 40°C)
  • Rated Current AC-15: 12A (at 40°C)
  • Number of Phases: 1-phase
  • Switching Type: Instantaneous switching
  • Operating Temperature: Up to 40°C ambient
  • Dimensions: 22.5mm (W) x 100mm (H) x 140.5mm (D)
  • Net Weight: 0.200 kg
  • Country of Origin: Germany

Switching Technology:

  • Instantaneous switching provides immediate on/off control without waiting for zero voltage crossing
  • Solid-state design eliminates mechanical wear and provides silent operation
  • Precise timing control ideal for applications requiring exact switching moments
  • Fast response suitable for high-frequency switching applications
  • No contact bounce eliminates mechanical contact issues and arcing

Applications: Single-phase solid-state contactor 3RF2 designed for applications requiring precise timing control such as heating elements, lighting systems, motor controls, and industrial equipment where instantaneous switching is critical for process control and timing accuracy.

Control Flexibility: The wide 4-30V DC control voltage range provides exceptional flexibility for integration with various control systems, PLCs, and automation equipment, making it suitable for diverse industrial and commercial applications.

Installation & Mounting:

  • DIN rail mounting standard 35mm DIN rail installation
  • Panel mounting alternative mounting for control panels
  • Compact design space-efficient 22.5mm width
  • Screw terminals reliable wire connections
  • Integrated thermal management no external cooling required

System Integration: Simple, efficient, always up-to-date - the SIRIUS modular system. Compatible with standardized 3RF29 function modules for expanded functionality and seamless integration with SIRIUS motor control components and protection devices.

Advantages:

  • Wear-free operation solid-state technology eliminates mechanical contact wear
  • Silent switching no audible switching noise
  • High reliability consistent performance in demanding applications
  • Maintenance-free no mechanical parts requiring service
  • Precise control instantaneous switching for exact timing requirements

Load Types:

  • AC-51 rating 15A for intermittent duty applications
  • AC-15 rating 12A for electromagnetic load switching
  • Wide load compatibility suitable for resistive and inductive loads

Compliance & Certifications:

  • RoHS directive compliant since May 28, 2009
  • WEEE take-back obligation compliant
  • REACH regulation compliant with substance information disclosure
  • Export control: AL: N / ECCN: 9N9999

Shipping Details:

  • Net Weight: 0.200 kg
  • Packaging Dimensions: 28mm x 108.5mm x 147mm
  • EAN: 4011209774926
  • UPC: 887621412784

Download existing graphical data for this product:

Product Datasheet

SIRIUS 3RF2 Solid-State Contactors Catalog

SIRIUS Solid-State Contactor Technical Documentation

Instantaneous Switching Technology Guide

Technical Specifications

Part Width28 mmmm
Part Height108 mmmm
Part Depth147 mmmm
Weight186 gg
Country of OriginGermany
View complete specifications on Siemens

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