Siemens Solid State Overload Relay 1 NO/1 NC, 0.32 to 1.25 A Adjustable Current Range, 1.25 A Relay Contact 3RB3016-1NB0

Siemens 3RB3016-1NB0 solid state overload relay is designed for accurate current-sensitive protection of 3-phase AC motors in industrial and automation applications. It supports an adjustable current range of 0.32 to 1.25 A and operates efficiently up to a power rating of 370 W. The relay features a 1 NO/1 NC pole configuration to provide versatile control and monitoring capabilities.

Built with a direct mount type and screw terminal connections, this device ensures easy and secure panel integration. It includes both automatic and manual reset options, allowing flexible recovery modes after overload trips. The relay is designed to operate reliably within a temperature range of -25°C to 60°C and has an IP20 ingress protection rating to shield internal components against solid objects.

Its compact size with dimensions 64.7mm (length) x 45mm (width) x 72.5mm (depth) optimizes control panel space without compromising performance. The inclusion of 2 auxiliary contacts enables extended auxiliary control and signaling. Siemens 3RB3016-1NB0 meets rigorous international standards, such as IEC 60068-2-27, IEC 60529, IEC 61000 series, UL, CCC, CE, and CSA approvals, assuring superior quality and compliance.

This overload relay is suitable for a range of industrial, manufacturing, HVAC, and automation control systems requiring motor overload protection. It is not designed for single-phase or DC loads. The device supports Class 10 and Class 20 trip settings and features built-in internal ground fault detection and status indication via switch position and test functions. Direct mounting design simplifies integration with Siemens SIRIUS contactors for enhanced motor protection.

Adjustable current range from 0.32 to 1.25 amperes for flexible motor protection. Relay contact current rating of 1.25 amperes ensures reliable switching capacity. 370 watts power rating suitable for protection of 3-phase AC motors.

Direct mount type with screw terminal connections for secure installation. Features automatic and manual reset methods for versatile operation. Operating temperature range from -25°C to 60°C supports diverse environments.

Compact dimensions with 64.7mm length, 45mm width, and 72.5mm depth optimize panel space. Ingress Protection rating of IP20 to safeguard against solid object ingress. Equipped with 2 auxiliary contacts for extended control functions.

Complies with multiple international standards including IEC, UL, CE, and CSA approvals. Explore our extensive range of Overload Relays and contactors on EnvMart for industrial automation and control solutions.