Siemens 3RU6126-4AB0 SIRIUS Thermal Overload Relay 11-16A Class 10 S0 Screw Terminals

Product Description

The Siemens 3RU6126-4AB0 is a thermal overload relay from the SIRIUS 3RU6 series, designed for reliable motor protection in industrial automation applications
. With an adjustable current range of 11 to 16 A and Class 10 trip characteristic, this relay provides dependable overload protection for motors up to 7.5 kW at 400V. Housed in size S0, the relay is designed for direct mounting onto SIRIUS 3RT6 contactors. Both main and auxiliary circuits feature screw-type terminals for secure and straightforward wiring. The relay supports manual or automatic reset and is suitable for protecting three-phase AC motors in applications including pumps, fans, compressors, and conveyors. Designed to meet IEC/EN 60947 standards with CCC certification

, the 3RU6126-4AB0 delivers dependable motor overload protection for control panels and industrial machinery.

Standard Features

• Adjustable overload setting: Current range 11 to 16 A allows precise matching to motor full-load current for optimal protection[reference:12].
• Class 10 trip characteristic: Provides standard thermal overload protection for normal starting duty motors[reference:13][reference:14].
• Direct contactor mounting: Designed for plug-in mounting onto SIRIUS 3RT60 series contactors for compact assembly[reference:15][reference:16].
• Screw-type terminals: Both main and auxiliary circuits feature screw connections for secure and reliable wiring[reference:17][reference:18].
• Manual or automatic reset: Selectable reset mode provides flexibility for different application requirements[reference:19][reference:20].
• Built-in auxiliary contacts: Integrated 1NO+1NC auxiliary contacts for control logic and fault signaling[reference:21][reference:22].
• Compact S0 design: Space-efficient 45mm width with any mounting position for flexible panel integration[reference:23].
• Wide operating temperature: Rated for -40°C to +70°C with storage capability from -55°C to +80°C[reference:24].

Technical Specifications