Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 4A F.L.C, 3A Contact Rating, 3 kW 3RU2116-1EC1

Siemens 3RU2116-1EC1 SIRIUS 3RU2 Thermal Overload Relay is engineered for precise motor overload protection in industrial and automation applications. This device is designed to safeguard motors with normal starting conditions, providing reliable current-sensitive protection with a full load current rating of 4A and relay contact current of 3A, suitable for motors up to 3 kW.

The relay includes one normally open (NO) and one normally closed (NC) contact configuration, supporting automatic and manual reset methods for flexible control. Its compact form factor with dimensions of 79.5mm width, 45mm length, and 101.9mm depth allows easy stand-alone mounting and integration within control panels.

Designed with screw or spring clamp terminals, this overload relay ensures secure electrical connections and supports operation in harsh environments with a rated operating temperature range from -40°C to 70°C. It offers excellent impulse voltage resistance of 6 kV and insulation voltage rated at 690V AC, providing robust electrical isolation and durability.

Compliant with critical standards including IEC 60529 (IP20 rating), IEC 81346-2, UL, IEC 60068-2-27 (shock and environmental testing), and CSA certification, this Siemens relay guarantees safety and industry conformity. The device is equipped with a switch position indicator and a test function for straightforward operational diagnostics.

Widely used in industrial automation, electrical control gear, manufacturing, and HVAC systems, the SIRIUS 3RU2 Thermal Overload Relay protects motors and equipment by preventing damage due to overcurrent conditions. The relay's construction enables surface or DIN-rail mounting compatible with SIRIUS Size S0 and S00 contactors, making it versatile for various panel setups.

Manufactured in Germany, this new condition Siemens overload relay exemplifies quality and performance excellence. It is ideal for users requiring dependable motor protection and efficient control relay integration.

Designed for current-sensitive protection of motors with normal starting conditions. Includes automatic and manual reset methods for versatile operation. Features screw or spring clamp terminal types for secure wiring connections.

Compact size with dimensions 79.5mm width, 45mm length, and 101.9mm depth for stand-alone mounting. Operates reliably within a temperature range of -40°C to 70°C. Equipped with impulse voltage resistance up to 6 kV and insulation voltage of 690 V AC.

Complies with IEC 60529, IEC 81346-2, UL, IEC 60068-2-27, and CSA standards. Indicative switch position and test function enhance operational monitoring. Suitable for surface or DIN-rail mounting with SIRIUS Size S0 & S00 contactors.

Manufactured in Germany, ensuring high quality and performance reliability. Explore more specialized relays and contactors in the Electronics & Electricals category on EnvMart to meet all your industrial and automation needs.