TECO Electric Machinery Co., Ltd. CN-18 Contactor

Description:

The TECO Electric & Machinery Co., Ltd. CN-18 Contactor is used to switch and control three-phase electric motors and industrial power circuits in low-voltage control systems. Commonly installed in motor starters, pump control panels, HVAC equipment, compressors, conveyors, machine tools, and industrial automation systems requiring reliable electromagnetic switching. Maintenance teams and system integrators use this part for repair, retrofit, expansion, or replacement of industrial motor control systems.

Applications:

The TECO Electric & Machinery Co., Ltd. CN-18 is a three-pole electromagnetic contactor from the TECO CN/CU Series designed for frequent switching of AC motors and industrial loads. It provides dependable electrical isolation and motor control while supporting direct-on-line (DOL) starters and motor protection systems. The contactor is widely used in manufacturing facilities, water and wastewater treatment plants, HVAC systems, elevators, refrigeration equipment, cranes, ventilation systems, and general industrial automation. 

Technical Specifications:

• Manufacturer: TECO Electric & Machinery Co., Ltd.
• Manufacturer Part Number (MPN): CN-18
• Product Type: Electromagnetic Contactor
• Series: CN/CU Series
• Contactor Type: Three-Pole AC Magnetic Contactor
• Rated Operational Current (AC-3): 18 A
• Rated Operational Voltage: Up to 690 VAC
• Rated Insulation Voltage (Ui): 690 VAC
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Rated Motor Power: 5.5 kW @ 230 VAC, 7.5 kW @ 400 VAC, 9 kW @ 440 VAC
• Number of Main Contacts: 3 Normally Open (3NO)
• Auxiliary Contacts: Configurable with optional auxiliary contact blocks
• Coil Voltage: Available in multiple AC and DC coil voltage options
• Frequency: 50/60 Hz
• Mounting Style: DIN Rail or Panel Mount
• Mechanical Life: Up to 10 million operations
• Electrical Life: Up to 1 million operations (application dependent)
• Standards: IEC 60947-4-1, UL, CSA, CE, RoHS
• Compatible Equipment: Motor starters, thermal overload relays, pumps, compressors, conveyors, fans, HVAC equipment, refrigeration systems, cranes, and industrial control panels.

Common Replacements:

• TECO CU-18
• TECO CU-18N
• TECO CUL-18