Siemens Overload Relay 1 NO/1 NC 200A 50 A F.L.C 315A Contact Rating 90 kW 3RB2056-1FC2

Siemens 3RB2056-1FC2 Overload Relay 1 NO/1 NC is part of the Sirius Classic series engineered to provide robust motor overload protection in industrial and automation applications. With a power rating of 90 kW and a wide adjustable current range from 50 to 200 A, this relay is well-suited for heavy-duty motors and machinery.

This relay features 3 poles with a direct mount type and screw terminal connections for secure and easy installation. It incorporates manual and automatic reset capabilities, allowing for operational flexibility tailored to specific use cases.

Designed to withstand harsh environments, the product operates reliably within a temperature range of -25°C to 60°C and has an IP20 ingress protection rating with a cover, ensuring operator safety by preventing accidental contact with live parts.

Its compact footprint of 119mm width, 120mm height, and 155mm depth facilitates installation in constrained panel spaces without sacrificing performance.

Compliance with UL/CSA, IEC 81346-2, and IEC 60068-2-27 standards demonstrates its adherence to stringent safety and quality requirements necessary for industrial and manufacturing environments.

The relay’s contact ratings include a relay contact current of 315A, a contact voltage of 1kV AC, and a surge voltage resistance of 8kV, contributing to protection against electrical start-up surges and faults.

This overload relay features a 1 NO/1 NC configuration for reliable switching. Adjustable current range from 50 to 200 A accommodates varied motor sizes. IP20 rating with a cover ensures safety from unintended contact. Manual and automatic reset methods provide operational convenience.

Compact dimensions enable efficient panel space utilization. Rated for 90 kW power and manufactured to high standards in Germany. Compliance with multiple international electrical standards for reliability. Screw terminal type allows easy and secure wiring installation.

Wide temperature operating range suits harsh industrial conditions. Direct mount type and 3 pole construction support typical motor protection setups.

This Siemens Overload Relay is essential for managing electrical loads in industrial equipment, HVAC systems, manufacturing lines, and other commercial motor-driven applications. Its rugged design and advanced features help prevent motor damage from overloads and electrical faults, thus extending equipment life and reducing downtime.

Explore more overload and contactor relay products from Siemens in EnvMart for comprehensive industrial automation solutions.