"🔹 Siemens 3RU2126-1DB0 Thermal Overload Relay Size: S0 Setting Range: 2.2 – 3.2 A Motor Power: 1.1 kW / 1.5 HP Application: Motor protection Description (EN): The Siemens 3RU2126-1DB0 thermal overload relay offers precise protection for motors operating in the 2.2 – 3.2 ampere range. Designed to be used with contactors of size S0, this reliable relay protects motors with a power rating of up to 1.1 kW (1.5 HP) against phase failure, overload, and unbalanced currents. It ensures high operational reliability and quick trip response, making it ideal for general industrial applications. Features: - Adjustable setting range: 2.2 – 3.2 A - Compatible with Siemens 3RT contactors (Size S0) - Manual and automatic reset functions - Phase failure sensitivity - Compact DIN rail mountable design"