imo u12/16e23-mc overload relay 17-23a manual reset for mc10-mc22

Why Choose the IMO U12/16E23-MC Thermal Overload Relay?

The IMO U12/16E23-MC is a dependable thermal overload relay designed to provide reliable protection for industrial motors operating in demanding motor control systems. Engineered specifically for use with IMO MC10 to MC22 contactors, this overload relay protects motors against overload currents, overheating and phase failure conditions that can lead to costly downtime and equipment damage.

Part of the trusted IMO U12/16E overload relay series, the U12/16E23-MC combines compact construction with precise thermal tripping performance and straightforward installation. Its manual reset configuration makes it suitable for industrial automation systems and machinery where controlled restart procedures are required after a fault condition.

With an adjustable current setting range of 17 to 23 A and star-delta motor protection capability up to 30 to 40 A, the IMO U12/16E23-MC is ideal for protecting three-phase motors used in conveyors, compressors, pumps, fans and industrial processing equipment.

Key Advantages

• Reliable thermal overload motor protection for industrial applications.
• Adjustable overload current range from 17 to 23 A.
• Star-delta motor protection range from 30 to 40 A.
• Provides overload and phase failure protection.
• Manual reset functionality for controlled motor restart.
• Compatible with IMO MC10 to MC22 contactors.

Key Features

• IMO U12/16E thermal overload relay series.
• 17–23 A adjustable current range.
• 30–40 A star-delta motor protection range.
• Thermal overload and phase loss protection.
• Manual reset operation.
• 1 normally open and 1 normally closed auxiliary contact.
• Direct mounting to compatible IMO contactors.
• Trip Class 10A protection characteristics.

Technical Specifications

• Manufacturer: IMO Precision Controls
• Series: U12/16E Thermal Overload Relays
• Model: U12/16E23-MC
• Product type: Thermal overload relay
• Adjustable current range: 17–23 A
• Star-delta range: 30–40 A
• Compatible contactors: IMO MC10 to MC22
• Protection function: Thermal overload and phase failure protection
• Reset type: Manual reset
• Auxiliary contacts: 1NO + 1NC
• Trip class: Class 10A
• Voltage rating: Up to 690 V AC
• Number of poles: 3-pole
• Mounting type: Direct mounting to contactor
• Connection type: Screw clamp terminals
• Operating temperature: Approx. -25°C to +60°C
• Weight: Approx. 0.12 kg

Reliable Motor Protection for Industrial Applications

Thermal overload relays continuously monitor motor current and disconnect the circuit if overload or overheating conditions occur. This protection helps prevent motor winding damage, insulation breakdown and unplanned production downtime in industrial environments.

The IMO U12/16E series is engineered for industrial motor control systems requiring dependable overload protection and easy integration with contactor starter assemblies. The U12/16E23-MC is particularly suited to automation systems and machinery requiring controlled manual reset functionality after fault conditions.

Typical Applications

• Industrial conveyors and material handling systems.
• Pumps, compressors and ventilation equipment.
• Packaging and processing machinery.
• OEM motor starter assemblies.
• Factory automation systems.
• Industrial control panels and machinery.

Trusted by Industrial Engineers Worldwide

IMO thermal overload relays are widely used in industrial motor control systems to provide dependable motor protection, reliable machine operation and long service life in demanding industrial environments.