3RN2010-1CW30

Description

Thermistor motor protection relay

The SIRIUS 3RN2 thermistor motor protection relay is designed to protect motors against overheating through direct temperature measurement.

Technical details:

• Compact evaluation unit
• 17.5 mm enclosure
• Screw terminal
• 1 NO contact, 1 NC contact
• Us = 24 V-240 V AC/DC
• Auto RESET
• Suitable for bimetallic switch
• 2 LEDs (ready/tripped)
• Electrical isolation
• Available as monostable or bistable evaluation unit
• With and without ATEX approval
• One or two sensor circuits
• Manual RESET and/or remote RESET
• Screw-type or spring-loaded (push-in) terminals
• Versions in widths of 17.5 mm or 22.5 mm
• For TH35 DIN rail or screw-on fastening with an adapter (accessory)
• Hard gold plated contacts
• Standardized accessories such as detachable terminals, push-in lugs and coding pins
• Replaces the 3RN1 series

Customer benefits:

• Protects motors even under abnormal conditions such as heavy starting, braking mode, frequent switching or insufficient cooling
• Eliminates the necessity for precautionary over-dimensioning of the motor
• No need to set device parameters as PTC sensors or bimetallic switches are used
• Fast error diagnostics enabled by LEDs
• Climate-resistant and safe to touch
• Worldwide usability due to wide voltage range and international certifications
• Simplifies selection and storage with standardized accessories for all device versions

Disclaimer: Generated by AI.