Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 0.55 to 0.8 A FLC 800 mA Contact Rating 180 W 3RU2116-0HB0

Siemens 3RU2116-0HB0 is a precision thermal overload relay designed to provide current-sensitive protection for motors with a full load current rating adjustable between 0.55 and 0.8 amperes. With a power rating of 180 watts and a contact rating of 800 mA, this relay offers reliable performance in diverse industrial and automation control applications.

Featuring 1 normally open (NO) and 1 normally closed (NC) relay contact, a direct mount installation configuration, and screw-type terminals ensures safe and secure wiring connections. The relay includes 2 auxiliary contacts and supports both automatic and manual reset methods to tailor operations to specific system needs.

This device is constructed to the highest electrical and mechanical standards, housing an IP20 protection rating and capable of withstanding operating temperatures from -40°C to 70°C. It has an impulse voltage resistance of 6 kV, insulation voltage rated at 690 volts AC, and is suitable for use alongside Sirius Size S0 and S00 contactors, making it versatile for motor control and protection scenarios.

Notable features include an on-device stop button, a selector switch to toggle between manual and automatic reset, and a switch position indicator for easy operational status checking. Its compliance with multiple international standards such as IEC 60068-2-27, IEC 60529, IEC 61508, UL, CE, CSA, and CCC approvals underlines its quality and safety credentials.

Manufactured in Germany, the Siemens 3RU2116-0HB0 thermal overload relay is ideal for use in industrial, manufacturing, HVAC, and automation control systems requiring precise motor overload protection and reliable operational safety.

Equipped with 1 normally open and 1 normally closed relay contact. Supports direct mount type installation with screw terminals. Includes 2 auxiliary contacts and offers automatic and manual reset methods. Has an IP20 protection rating suitable for industrial environments.

Operates reliably in temperature range from -40°C to 70°C. Rated for 690 volts AC contact voltage and impulse voltage resistance of 6 kV. Designed for use with Sirius Size S0 & S00 contactors. Includes stop button, selector switch for reset mode, and switch position indicator.

Constructed to comply with international standards including IEC, UL, CE, CSA, and CCC approvals. Browse Siemens products and Thermal Overload Relays in the Electronics & Electricals category on EnvMart for reliable automation and motor protection solutions.