Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 40A F.L.C, 40A Contact Rating, 22 kW 3P 3RU2136-4FB0

Siemens 3RU2136-4FB0 Thermal Overload Relay is engineered to provide reliable overload protection for electric motors in industrial and automation applications. This device from the SIRIUS 3RU2 series is designed for 3-pole configurations with a full load current (F.L.C) rating of 40A and a power rating of 22 kW, making it suitable for medium-power motor protection.

The relay includes 1 normally open (NO) and 1 normally closed (NC) contact, providing essential switching functionality within control circuits. It features an adjustable current range from 28 to 40 amperes, allowing precise calibration to motor specifications for enhanced safety and efficiency.

Installation flexibility is provided through the use of screw terminal connections, which ensure secure and reliable mounting. The relay’s dual reset methods - automatic and manual - facilitate easy recovery following motor overload events, reducing downtime in industrial operations.

With an operating temperature range from -40°C to 70°C and protection ratings of IP65 and IP55, this relay is well-suited for harsh, dusty, and wet industrial environments, safeguarding the motor and electrical systems effectively.

The compact design, measuring 76.5mm in width, 55mm in length, and 104.2mm in depth, allows easy integration into existing control panels. Additional features include a switch position indicator and test function to assist technicians in monitoring and maintenance tasks efficiently.

This device operates safely at contact voltages up to 690V AC and possesses an impulse voltage resistance rating of 6 kV, providing robust electrical insulation and durability. It includes two auxiliary contacts that support extended control and signaling functions.

Manufactured in Germany, the 3RU2136-4FB0 relay reflects Siemens’ commitment to quality and innovative engineering, making it an ideal choice for demanding industrial, manufacturing, HVAC, and automation applications.

Features an adjustable current range from 28 to 40 amperes for precise motor protection. Equipped with screw terminal connections for secure mounting and wiring. Offers automatic and manual reset methods for operational flexibility.

Rated for operating temperatures between -40°C and 70°C, suitable for various industrial environments. Designed with IP65 and IP55 protection ratings to withstand dust and water ingress. Includes built-in switch position indicator and test function for easy maintenance.

Compact dimensions with a width of 76.5mm, length of 55mm, and depth of 104.2mm. Capable of handling a contact voltage up to 690V AC with impulse voltage resistance of 6kV. Contains two auxiliary contacts to enhance control circuit operations.

Manufactured in Germany ensuring high-quality and reliable performance. Explore more products from the Siemens SIRIUS 3RU2 Thermal Overload Relay range to find tailored solutions for your industrial and automation needs on EnvMart.