imo mcor-1-1.8 thermal overload relay for mc10-mc22 contactors 1.2-1.8 amps

Why Choose the IMO MCOR-1-1.8 Thermal Overload Relay?

The IMO MCOR-1-1.8 is a compact and dependable thermal overload relay engineered to provide reliable motor protection for industrial automation and motor starter systems. Designed specifically for use with the IMO MC contactor range, this overload relay protects motors against overload conditions, excessive current draw and phase failure, helping maximise equipment reliability while reducing downtime in demanding industrial environments.

Part of the trusted IMO MCOR thermal overload relay series, the MCOR-1-1.8 features an adjustable overload setting range of 1.2 to 1.8A, making it ideal for low-current motor protection and precision industrial control applications. Integrated manual and automatic reset functionality together with 1NO + 1NC auxiliary contacts provide flexible fault signalling and dependable motor protection performance.

Its compact direct-mount design allows seamless installation onto compatible IMO MC10 to MC22 contactors, creating a safe and efficient motor starter solution for conveyors, pumps, laboratory equipment, HVAC systems and industrial automation machinery.

Key Advantages

• Reliable thermal overload motor protection for industrial applications.
• Adjustable overload range from 1.2 to 1.8A.
• Protects motors against overload and phase failure conditions.
• Manual or automatic reset operation.
• 1NO + 1NC auxiliary contacts included.
• Compact direct mounting onto IMO MC contactors.

Key Features

• IMO MCOR thermal overload relay series.
• 1.2 - 1.8A adjustable current range.
• Suitable for MC10 to MC22 contactors.
• Manual/automatic reset selector.
• 1NO + 1NC auxiliary contacts.
• Integrated thermal overload and phase failure protection.
• Compact industrial relay construction.
• Direct contactor mounting configuration.

Technical Specifications

• Manufacturer: IMO Precision Controls
• Series: MCOR Thermal Overload Relays
• Model: MCOR-1-1.8
• Product type: Thermal overload relay
• Adjustable current range: 1.2 - 1.8A
• Compatible contactors: IMO MC10 to MC22
• Auxiliary contacts: 1NO + 1NC
• Reset mode: Manual or automatic selectable
• Mounting type: Direct mounting / plug-in mounting
• Number of poles: 3 pole
• Rated operational voltage: up to 690V AC
• Trip class: Class 10A
• Protection function: Thermal overload and phase failure protection
• Overload adjustment current: 1.2A minimum, 1.8A maximum
• Terminal type: Screw clamp terminals
• Operating temperature: -25°C to +60°C
• Weight: approx. 0.14kg
• Standards: IEC/EN 60947-4-1
• Approvals: CE, UL, RoHS compliant

Reliable Motor Protection for Industrial Systems

Thermal overload relays such as the IMO MCOR-1-1.8 are designed to protect electric motors from overheating caused by overload conditions, stalled rotors or phase imbalance. By disconnecting the motor before thermal damage occurs, overload relays improve system reliability and reduce maintenance costs in industrial environments.

The MCOR range integrates directly with IMO MC contactors, creating compact and dependable motor starter assemblies suitable for industrial automation equipment, control panels and precision low-current motor applications.

Typical Applications

• Industrial motor starters.
• Small motor and pump protection.
• Automation control panels.
• Laboratory and process equipment.
• Conveyors and handling systems.
• Three-phase motor protection systems.

Trusted by Industrial Automation Engineers

IMO MCOR thermal overload relays are trusted throughout industrial automation systems for dependable motor protection, compact integration and reliable long-term operational performance.