TECO Electric & Machinery Co., Ltd. RHU-10 1.6A1 Thermal Overload Relay

The TECO Electric & Machinery RHU-10 1.6A1 Thermal Overload Relay protects three-phase motors from overload and phase loss in industrial motor control systems and is designed for use with TECO magnetic contactors and direct-on-line starters. It provides adjustable overload protection from 1.0 to 1.6 A, plus phase‑failure protection (A Type), automatic ambient temperature compensation, and a selectable manual or automatic reset with an integrated TEST/STOP button. The relay includes 1 normally open and 1 normally closed auxiliary contact, IP20 finger-safe protection, and mounting options for direct contactor mount or independent base mount, with listing to IEC 60947-4-1, UL, CSA, TÜV, cRUus and cULus; it is compatible with TECO CU-11, CU-18, CU-25, and CU-32R contactors and is commonly used in motor starters, pumps, conveyors, HVAC equipment, refrigeration systems, and other industrial motor protection circuits. Common replacements include RHU-10 1.6K1, RHU-10 2.5A1, and RHN-10 1.6A1.