Siemens Thermistor motor protection relay, std evaluation unit Part number 3RN2013-2BA30

Thermistor motor protection relay

The thermistor motor protection relay protects motors against overheating in potentially explosive atmospheres by means of direct temperature measurement.

Technical details:

• Standard evaluation unit
• 22.5 mm enclosure
• Spring-loaded terminal
• 2 changeover contacts
• Us = 24 V AC/DC
• Manual/auto/remote RESET
• ATEX approval
• 2 LEDs (ready/tripped)
• Safe electrical isolation
• Test/RESET button
• Wire-break monitoring
• Short-circuit monitoring
• Non-volatile
• Available as monostable or bistable evaluation unit
• Available with screw-type or spring-loaded (push-in) terminals
• Available in widths of 17.5 mm or 22.5 mm
• For a TH35 DIN rail or for screw-on fastening with an adapter (accessory)
• With hard gold plated contacts
• Standardized accessories for all device versions

Customer benefits:

• Protects motors even under abnormal conditions such as heavy starting, braking mode, frequent switching, or insufficient cooling
• Eliminates the need for precautionary over-dimensioning of the motor
• Fast error diagnostics enabled by LEDs
• Climate-resistant and safe to touch
• Can be used worldwide due to wide voltage range and international certifications
• Simplifies selection and storage with standardized accessories
• Replaces the proven 3RN1 series
• One range for every application