Product Overview

Thermistor motor protection relay standard evaluation unit 22.5 mm enclosure spring-loaded terminal 2 changeover contacts Us = 24 V AC/DC manual/auto/remote RESET with ATEX approval 2 LEDs (ready/tripped) safe electrical isolation test/RESET button wire-break monitoring short-circuit monitoring non-volatile

This SIRIUS 3RN2 thermistor motor protection relay (Article Number: 3RN2013-2BA30) is a standard evaluation unit designed for comprehensive motor protection through advanced thermistor monitoring. The device features a 22.5 mm wide enclosure with spring-loaded terminals and operates on 24 V AC/DC supply voltage. It provides enhanced motor protection with multiple reset options, ATEX approval for hazardous environments, dual LED status indication, and advanced monitoring capabilities including wire-break and short-circuit detection.

Key Features

• Standard 22.5 mm width for comprehensive functionality
• Advanced thermistor evaluation for precise temperature monitoring
• 24 V AC/DC operation for versatile power supply options
• Multiple reset modes (manual/auto/remote) for flexible operation
• ATEX approval for use in hazardous environments
• Dual LED indicators (ready/tripped) for clear status display
• 2 changeover contacts for enhanced switching flexibility
• Spring-loaded terminals for secure and maintenance-free connections
• Wire-break monitoring for comprehensive system diagnostics
• Short-circuit monitoring for enhanced protection
• Non-volatile memory for reliable parameter retention
• Test/RESET button for convenient operation and testing

Technical Specifications

• Net Weight: 0.185 kg
• Packaging Dimensions: 111.00 x 130.00 x 38.00 mm
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Germany
• Enclosure Width: 22.5 mm
• Supply Voltage: 24 V AC/DC
• Contact Configuration: 2 changeover contacts
• Reset Options: Manual/Auto/Remote RESET
• Terminal Type: Spring-loaded terminals
• LED Indicators: 2 LEDs (ready/tripped)
• Certifications: ATEX approval

Applications

• Hazardous area motor protection with ATEX certification
• Critical motor protection in industrial automation systems
• Temperature monitoring of electric motors and drives in demanding environments
• Process control systems requiring enhanced thermal protection
• Oil and gas industry applications requiring explosion-proof protection
• Chemical processing with motor protection in hazardous zones
• Mining operations requiring certified motor protection
• Petrochemical facilities with stringent safety requirements

Advanced Protection Features

• Comprehensive thermistor monitoring for accurate temperature detection
• Wire-break detection preventing undetected sensor failures
• Short-circuit monitoring for enhanced system protection
• Multiple reset modes for flexible recovery options
• Non-volatile memory preserving settings during power loss
• Safe electrical isolation between input and output circuits
• Test functionality for system verification and maintenance
• ATEX certification for hazardous environment compliance

Installation Benefits

• Enhanced functionality with 22.5 mm standard width
• Maintenance-free connections with spring-loaded terminals
• Clear status indication through dual LED display
• Flexible reset options for various operational requirements
• Easy testing with integrated test/reset button
• Professional appearance maintaining system aesthetics
• Reliable operation in demanding and hazardous environments

Compatibility

• Thermistor sensors for temperature monitoring
• ATEX-certified systems in hazardous environments
• Motor control systems requiring enhanced thermal protection
• Industrial control panels with advanced protection requirements
• 24 V AC/DC power systems for versatile installation
• Standard DIN rail mounting systems

Safety & Certification

• ATEX approval for use in explosive atmospheres
• Safe electrical isolation ensuring operator safety
• Wire-break monitoring preventing dangerous undetected failures
• Short-circuit protection for enhanced system safety
• Non-volatile memory ensuring consistent protection parameters
• Comprehensive diagnostics for system integrity verification

Product Classifications

• Product Lifecycle: PM300 Active Product
• eClass: 27-37-15-03 (versions 6-14)
• ETIM: EC002568 (versions 7, 8 & 9)
• UNSPSC: 39-12-22-29

Compliance & Certifications

• Export Control: AL: N / ECCN: N
• RoHS Compliance: Since 28.05.2009
• WEEE Take-Back Obligation: Yes
• ATEX Certification: Approved for hazardous environments

REACH Compliance

Information obligation imposed by Article 33, REACH Regulation: This product includes articles containing substances from the candidate list in concentrations higher than 0.1% weight by weight (w/w): Lead, Lead monoxide (lead oxide), and 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol. Based on current information, these substances do not pose risk when used as intended, including disposal. Please refer to product documentation for additional guidance.

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For technical documentation and CAD files, please visit:

• Official Product Datasheet (PDF)
• Siemens Industry Mall Product Page
• Siemens PARTcommunity for 3D CAD Models
• Siemens Technical Support Center for technical documentation requests