Siemens SIRIUS 3RU2 Thermal Overload Relay Stand Alone Mount, 1 NO/1 NC, 2.5A F.L.C, 3A Contact Current, 1.5 kW 3RU2116-1CC1

Siemens 3RU2116-1CC1 Thermal Overload Relay from the SIRIUS 3RU2 series is a high-quality stand-alone mount thermal overload relay designed to protect motors against overload conditions by sensing motor current and providing timely interruption.

This relay supports a motor full load current (FLC) rating of 2.5 A and relay contact current of 3 A, making it suitable for motors rated at up to 1.5 kW power. Its adjustable current range from 1.8 to 2.5 A allows fine tuning the overload protection to the specific motor requirements.

The device features 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, providing versatile control options in electrical circuits. Cage Clamp terminal types ensure secure and reliable wiring connections. Reset methods include both automatic and manual, facilitated by a convenient selector switch and a stop button for user operation.

Approved to IEC and North American standards (IEC 60068-2-27, IEC 61508, CSA, UL), it is rated for IP20 protection against solid objects and offers mechanical and electrical resilience with impulse voltage resistance up to 6 kV and insulation voltage designed for 690 V AC supply.

The compact form factor with dimensions 79.5 mm width, 45 mm length, and 101.9 mm depth enables easy integration into control panels or DIN rail setups. Operating temperature range is from -40°C to 70°C, allowing reliable performance in various industrial and automation environments.

This thermal overload relay is engineered for applications in industrial automation, HVAC motor protection, manufacturing motor control, and general electrical system safety. The device's robust construction and extensive approvals make it a trusted choice in electrical control circuits for motor protection.

Package includes the Thermal Overload Relay unit with the described technical features and mounting adaptability. Explore more Siemens automation and control gear on EnvMart for industrial-grade reliability and performance.

Supports adjustable current range from 1.8 to 2.5 A for precise thermal overload protection. Rated for a maximum relay contact current of 3 A and motor full load current (FLC) of 2.5 A. Provides 1 Normally Open and 1 Normally Closed auxiliary contact for versatile control.

Power rating of 1.5 kW suitable for motors within load specifications. Equipped with Cage Clamp terminals and supports automatic and manual reset methods. IP20 rated for industrial electrical environments, operating between -40°C and 70°C.

Dimensions are 79.5 mm width, 45 mm length, and 101.9 mm depth for compact installation. Meets IEC 60068-2-27, IEC 61508, CSA, and UL standards for safety and durability. Impulse voltage resistance up to 6 kV with insulation voltage of 690 V AC supply voltage.

Manual selector switch with stop button and test function for user-friendly operation. EnvMart offers comprehensive product details, technical specifications, and industrial applications for Siemens overload relays and related automation equipment.