Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 3.2A FLC, 3A Contact Rating, 2.2 kW 3RU2116-1DC1

Siemens 3RU2116-1DC1 is a high-quality SIRIUS 3RU2 Thermal Overload Relay designed for protecting motors in industrial and automation applications. It provides reliable current-sensitive overload protection suitable for motors up to 2.2 kW power rating, with a full-load current setting of 3.2 A and contact rating of 3 A, ensuring safe operation under varying load conditions.

This relay features a 1 Normally Open and 1 Normally Closed contact arrangement, enabling versatile control circuit integration. It supports both automatic and manual reset operations, allowing users to select the appropriate reset method depending on application requirements. The relay terminals are designed with cage clamp connections, available in screw or spring clamp variants, to guarantee secure and stable wiring.

Constructed for use with Sirius Size S0 & S00 contactors, this relay can be either surface-mounted or fixed to DIN rails for easy installation in control panels. Its robust design includes an operating temperature range from -40°C to +70°C, an IP20 rating for protection against solid objects, and resistance to impulse voltages up to 6 kV. With dimensions of 79.5 mm width, 45 mm length, and 101.9 mm depth, it fits compactly within industrial control environments.

The device is compliant with numerous international standards such as CE, UL, CSA, REACH, RoHS, IEC, and WEEE, ensuring reliability and environmentally responsible manufacturing. Originating from Germany, this thermal overload relay is suitable for industrial automation, manufacturing, construction, and electrical control applications demanding motor current protection and control reliability.

Designed for current-sensitive motor protection with 3.2 A full load current rating. 1 NO/1 NC contact configuration supports fail-safe and control circuits. Manual and automatic reset options for flexible operation. Screw and spring clamp terminal options ensure firm electrical connections.

Surface or DIN-rail mounting suitable for standard control panels. Wide operating temperature range from -40°C to 70°C guarantees stability in varied environments. Impulse voltage resistance of 6 kV enhances durability against spikes.

Complies with international safety and environmental standards. Compact form factor with dimensions 79.5 x 45 x 101.9 mm.

For comprehensive protection and reliable operation of industrial motors, the Siemens SIRIUS 3RU2116-1DC1 Thermal Overload Relay provides an efficient and tested solution. It is ideal for applications in electrical automation, industrial manufacturing, HVAC systems, and machinery requiring effective motor overload protection.

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