The Siemens 3RN1010-2CB00 is a thermistor motor protection unit designed to safeguard motors from overheating, ensuring efficient operation and longevity. This compact device, measuring 22.5 x 86 x 96 mm, is part of the 3RN1 series and operates with a control supply voltage of 24 V AC/DC. It is equipped with spring-loaded terminals for a secure electrical connection and features an LED display for clear indication of status.
With the capability to handle one measuring circuit, the unit includes one normally closed (NC) and one normally open (NO) contact for auxiliary controls. It does not include a reclosing interlock but does offer a self-reset function, enhancing its ease of use. The measurable temperature range spans from 60°C to 180°C, accommodating a variety of industrial applications.
The 3RN1010-2CB00 is designed for use in environments with ambient temperatures ranging from -25°C to +60°C. Its IP20 protection class ensures that it is safeguarded against solid objects larger than 12.5 mm but not against water, making it suitable for installation in dry and controlled environments.
This thermistor motor protection unit is a reliable solution for motor protection needs in industrial settings, providing both performance and durability.