Siemens Thermistor motor protection relay, compact, screw, 1 c/o Part number 3RN2000-1AW30

Thermistor motor protection relay compact evaluation unit

Designed to protect motors against overheating, this compact evaluation unit provides precise temperature measurement and diagnostics.

Technical details:

• Enclosure: 17.5 mm
• Terminal type: Screw terminal
• Contacts: 1 change-over contact
• Supply voltage: Us = 24 V-240 V AC/DC
• Feature: Auto RESET
• Suitability: Suitable for bimetallic temperature switches
• LED indicator: 1 LED (tripped)
• Applications: Protecting motors against overheating through direct temperature measurement
• Device parameters: No need to set, uses PTC sensors or bimetallic switches
• Climate resistance: Climate-resistant, safe to touch
• Global use: Can be used worldwide with wide voltage range and international certifications
• Modes: Available as monostable or bistable evaluation unit
• Approval: With and without ATEX approval
• Sensor circuits: One or two sensor circuits
• Reset types: Auto RESET, manual RESET and/or remote RESET
• Terminal options: Screw-type or spring-loaded (push-in) terminals
• Width options: Versions in widths of 17.5 mm or 22.5 mm
• Mounting: For TH35 DIN rail or for screw-on fastening with an adapter (accessory)
• Contact type: With hard gold plated contacts
• Accessories: Standardized accessories simplify selection and storage
• Replacement: 3RN2 thermistor motor protection relays replace the proven 3RN1 series
• Range: SIRIUS relays - one range for every application

Customer benefits:

• Direct measurement of motor winding temperature ensures protection even under abnormal conditions.
• Eliminates the need for precautionary over-dimensioning of the motor.
• Fast error diagnostics are facilitated by LED indicators.