Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 2.2-3.2A Adjustable Current Range, 3.2A Contact Rating 3RU2116-1DC0

Siemens 3RU2116-1DC0 SIRIUS 3RU2 Thermal Overload Relay is engineered for precise and reliable protection of electric motors against overload conditions. With an adjustable current setting from 2.2 to 3.2 amperes and a power rating of 1.1 kW, this relay safeguards motors by detecting overcurrent and preventing damage in industrial applications.

The relay incorporates 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts which provide versatile signaling options. Its cage clamp terminal design ensures secure and maintenance-friendly wiring connections. Users can select between automatic and manual reset modes, enabling customization according to operational needs.

Designed for direct mounting with an IP20 rating, it is suitable for use in controlled environments requiring standard ingress protection. The relay operates reliably within a temperature range from -40°C to 70°C, making it robust for diverse industrial settings. The device complies with several international standards, including IEC 61508, UL, CSA, CE, and CCC, assuring safety, quality, and performance.

Compactly sized at 87 mm length, 73 mm depth, and 45 mm width, it integrates smoothly into existing control panels. Manufactured in Germany, the 3RU2116-1DC0 is a trusted component in automation and control gear, particularly suitable for use with Sirius Size S0 and S00 contactors.

This overload relay is ideal for industrial, manufacturing, HVAC, and electrical automation applications where motor protection and system reliability are critical. Adjustable current range from 2.2 to 3.2 amperes for precise motor protection.

Rated for a power capacity of 1.1 kW to ensure compatibility with motors. Equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts. Features cage clamp terminals for secure electrical connections.

Includes both automatic and manual reset methods for flexible operation. Designed for direct mounting with an IP20 protection rating. Operating temperature range from -40°C to 70°C for durability in varied environments. Complies with IEC 61508, UL, CSA, CE, CCC, and other industrial safety standards.

Compact dimensions: 87 mm length, 73 mm depth, and 45 mm width. Manufactured in Germany ensuring high build quality. Browse EnvMart’s Industrial Relays & Contactors category to find more high-quality motor protection devices and automation components suited to your requirements.