Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 11A, 16 A F.L.C, 16A Contact Rating, 7.5 kW, 3P 3RU2126-4AC0

Siemens 3RU2126-4AC0 is a SIRIUS 3RU2 series Thermal Overload Relay designed for high performance in industrial automation and electrical protection systems. Rated for a power rating of 7.5 kW and a motor full load current range of 11 to 16 A, it provides reliable current-sensitive protection to motors and other loads with normal starting characteristics.

This relay features 1 normally open (NO) and 1 normally closed (NC) contact configuration with a relay contact current rating of 16 A. It supports both automatic and manual reset methods, allowing operators to choose the most suitable reset approach for their applications.

The device is built with cage clamp terminal type for secure connections. It has a robust IP55 and IP65 rating to protect against dust ingress and water jets, enabling operation in harsh and demanding industrial environments.

Mechanical features include a switch position indicator, test function, STOP button, and a selector switch for manual or automatic reset. The relay has a compact form factor measuring 45 mm in width, 87 mm in length, and 73 mm in depth, making it ideal for space-constrained panel installations. Designed for direct mounting on DIN rails or surface mounts, it fits into various control gear configurations with a 3-pole (3P) pole and throw setup.

Operating temperature ranges from -40°C to +70°C ensure suitability for diverse industrial climates. The relay offers high impulse voltage resistance up to 6 kV and insulation voltage rating of 690 V AC for safety and reliability. It complies with international standards including IEC, RoHS, UKCA, UL, REACH, CE, CCC, EAC, and WEEE (2012/19/EU).

Manufactured in Germany under rigorous quality control, the Siemens 3RU2126-4AC0 is an excellent choice for industrial, manufacturing, HVAC, and automation control applications where motor protection is crucial.

Equipped with 1 normally open and 1 normally closed contact. Relay contact current rating is 16 A for reliable operation. Automatic and manual reset methods are supported for flexible control. IP55 and IP65 ratings ensure robust protection against dust and water.

Designed for direct mounting on DIN rail or surface installation. Temperature operating range from -40°C to 70°C suits harsh environments. High impulse voltage resistance of 6 kV enhances durability. Includes selector switch and STOP button for easy operation and testing.

Compact dimensions of 45 mm width, 87 mm length, and 73 mm depth. Manufactured in Germany ensuring quality and compliance with IEC and other standards. Explore further industrial automation and relay products on EnvMart for comprehensive system solutions.