TECO Electric And Machinery Co., Ltd. RHN-10 Overload Relay

Description:

The TECO Electric & Machinery Co., Ltd. RHN-10 Overload Relay is used to protect three-phase electric motors from overload and phase failure conditions in industrial motor control systems. Commonly installed in motor starters, pump control panels, compressors, conveyors, HVAC equipment, machine tools, and industrial automation systems requiring dependable thermal overload protection. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of industrial motor protection systems.

Applications:

The TECO Electric & Machinery Co., Ltd. RHN-10 is a thermal overload relay designed to operate with TECO magnetic contactors and direct-on-line (DOL) motor starters. It provides adjustable thermal overload protection, phase-loss protection, automatic ambient temperature compensation, and selectable manual or automatic reset functions to help prevent motor damage caused by excessive current. The relay is widely used in manufacturing facilities, water and wastewater treatment plants, HVAC systems, pumps, compressors, conveyors, elevators, refrigeration equipment, and industrial automation systems. 

Technical Specifications:

• Manufacturer: TECO Electric & Machinery Co., Ltd.
• Manufacturer Part Number (MPN): RHN-10
• Product Type: Thermal Overload Relay
• Relay Series: RHN Series
• Protection Type: Thermal Overload and Phase Failure Protection
• Rated Current Range: Model dependent (within RHN Series)
• Compatible Contactor Series: TECO CU Series and CN Series Magnetic Contactors
• Rated Frequency: 50/60 Hz
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Reset Function: Selectable Manual or Automatic Reset
• Test Function: Integrated TEST/STOP Button
• Temperature Compensation: Automatic Ambient Temperature Compensation
• Terminal Protection: IP20 Finger-Safe Terminal Cover
• Mounting Style: Direct Contactor Mount or Independent Mounting Base (model dependent)
• Certifications: UL, cULus, CSA, TÜV, CE, RU, cRUus
• Standards: IEC 60947-4-1
• Applications: Motor starters, pumps, compressors, conveyors, fans, HVAC equipment, refrigeration systems, elevators, cranes, and industrial motor protection circuits.

Common Replacements:

• TECO RHU-10
• TECO RHN-180
• TECO RP-10