3RN2000-1AA30

Description

Thermistor motor protection relay

The SIRIUS 3RN2 is designed to protect motors against overheating by means of direct temperature measurement.

Technical details:

• Compact evaluation unit
• 17.5 mm enclosure
• Screw terminal
• 1 change-over contact
• Us = 24 V AC/DC
• Auto RESET
• Suitable for bimetallic temperature switches
• Supply=output voltage
• 1 LED (tripped)
• Versions available with screw-type or spring-loaded (push-in) terminals
• Available in widths of 17.5 mm or 22.5 mm
• For TH35 DIN rail or for screw-on fastening with an adapter (accessory)
• Available as monostable or bistable evaluation unit
• With and without ATEX approval
• One or two sensor circuits
• Standardized accessories for all device versions, such as detachable terminals, push-in lugs and coding pins

Customer benefits:

• Direct measurement of the motor winding temperature protects the motor under abnormal conditions such as heavy starting, braking mode, frequent switching or insufficient cooling.
• Eliminates precautionary over-dimensioning of the motor.
• No need to set device parameters as PTC sensors or bimetallic switches are used.
• Fast error diagnostics with LEDs.
• Climate-resistant and safe to touch.
• Can be used worldwide thanks to their wide voltage range and international certifications.
• Replaces the proven 3RN1 series, offering a range for every application.

Disclaimer: Generated by AI.