RHU-10 K1 RANGE 2.9 TO 4.0 A (2)

RHU-10 (3.5~4.8A) TECO RHU-10 Thermal Overload Relay

• Brand: TECO (or TAIAN).
• Type: Thermal Overload Relay.
• Model: RHU-10 series (e.g., RHU-10A1, RHU-10/4.8K1).
• Current Range: 3.5 - 4.8 Amps (A).
• Function: Provides thermal protection, preventing motor burnout due to sustained overloads. 

In essence, it's a safety device for motors, ensuring they don't draw too much power in the 3.5 to 4.8 amp range.