LS Electric MC-18b AC Magnetic Contactor
The LS Electric MC-18b is a highly reliable 3-pole AC magnetic contactor from the advanced Metasol series, engineered for heavy-duty motor control and power switching applications. Operating with a 220V 50/60Hz AC coil, this robust contactor handles up to 18A (7.5kW at 440V) under AC-3 utilization categories and offers a continuous current capacity (Ith) of 40A. It comes standard with built-in 1NO (Normally Open) and 1NC (Normally Closed) auxiliary contacts to support versatile control circuit configurations. Designed for maximum safety and longevity, the MC-18b features a 6kV impulse withstand voltage and is fully certified to international standards including CE, UL, and CCC. Its compact design supports both DIN-rail and screw mounting, making it an ideal choice for industrial automation, HVAC systems, and machinery control panels.
Technical Specifications:
- Brand: LS Electric (Metasol Series)
- Model: MC-18b
- Pole Configuration: 3-Pole
- Coil Voltage: 220V AC, 50/60Hz (Coil Code: M7)
- Continuous Current (AC-1 / Ith): 40A (Ui=690V, Uimp=6kV)
- AC-3 Operational Ratings (IEC): 240V 4.5kW/18A; 440V 7.5kW/18A; 550V 7.5kW/13A; 690V 7.5kW/9A
- UL Motor Ratings (1-Phase): 120V 1HP; 240V 3HP
- UL Motor Ratings (3-Phase): 208V 7.5HP; 240V 7.5HP; 480V 10HP; 600V 15HP
- Auxiliary Contacts: Built-in 1NO + 1NC (Rating: A600, P600)
- Short Circuit Rating: 5kA RMS Symmetrical, 600V Max (when protected by 35A time-delay fuses)
- Wiring Specifications: Screw-type terminals, AWG 16-8, 60/75°C Cu-wire only, Torque: 10 lb.in
- Mounting Options: 35mm DIN-rail or panel screw mounting
- Certifications: CE, UL Listed (E108780), CCC
| Brand | LS Electric |
|---|---|
| Model | MC-18b |
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LS Electric MC-18b AC Magnetic Contactor
Optimize your industrial motor control with the LS Electric MC-18b Metasol 3-pole AC magnetic contactor. Featuring a 220V AC coil, 18A (7.5kW) AC-3 capacity, built-in 1NO+1NC auxiliary contacts, and UL/CE/CCC certifications, this durable contactor ensures reliable power switching for heavy-duty automation systems.
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