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Contactor 18A AC-3 3-Pole 1NO Aux 220V Coil ITC Electrical NC1-1810-220
SKU: ITC-NC1-1810-220
IEC 3-pole contactor rated 18A AC-3 with a 220V AC 50/60 Hz coil and 1NO auxiliary contact. Commonly used for motor control, HVAC equipment, pumps, and panel-built starters where a compact 3-pole contactor is required.
What this product is for
The NC1-1810-220 is an IEC contactor for switching 3-phase motors and other control loads in industrial and commercial equipment. It is commonly selected for motor starters, HVAC equipment, pumps, compressors, and machinery control panels.
Use for
Use for AC motor control up to 18A AC-3, panel-built control assemblies, replacement of matching NC1 series contactors, and applications requiring a 220V AC 50/60 Hz coil with 3 main poles and 1NO auxiliary contact.
Avoid for
Avoid using this contactor where the control voltage does not match a 220V AC coil, where DC coil operation is required, or where load current, duty, or short-circuit requirements exceed the device rating. Do not use as a disconnecting means.
Best for
Best for electricians and panel builders needing a compact IEC contactor for standard motor and equipment control circuits. It is a practical choice when you need 3NO main contacts plus 1NO auxiliary contact in the same device.
Installed in
Typically installed in control panels, motor starter assemblies, HVAC control cabinets, pump panels, compressor controls, and OEM machinery. Approximate body dimensions are 1.85 x 2.99 x 3.38 in (47 x 76 x 86 mm), which helps when matching an existing enclosure layout.
Why this product exists
This contactor provides electrically controlled switching for motor and power circuits so a lower-power control circuit can operate a higher-power load. The built-in auxiliary contact supports seal-in, interlock, or status functions in typical control schemes.
Compared with similar products
Compared with larger contactors, this 18A AC-3 frame is commonly used on smaller motor loads and compact control panels. Source listings for this model show 3-phase motor ratings up to 7.5 hp at 200/208V and 220/240V, and up to 10 hp at 460/480V and 575/600V. Actual suitability depends on motor FLA, duty cycle, protection, and local electrical code.
Specifications
- Manufacturer part number: NC1-1810-220
- Brand: ITC Electrical Components
- Product type: IEC contactor
- AC-3 current rating: 18A
- Poles: 3-pole
- Main contacts: 3NO
- Auxiliary contacts: 1NO
- Coil voltage: 220V AC, 50/60 Hz
- Maximum voltage listing shown by source: 600V
- Approximate dimensions: 1.85 x 2.99 x 3.38 in (47 x 76 x 86 mm)
- Typical 3-phase motor ratings from source: 7.5 hp at 200/208V, 7.5 hp at 220/240V, 10 hp at 460/480V, 10 hp at 575/600V
Typical guidance only: contactor selection should also consider overload relay pairing, SCCR of the assembly, control voltage, and the actual motor or load characteristics.
- Coil Voltage220V AC, 50/60 Hz
- Poles3-pole
- Main Contacts3NO
- AC-3 Current Rating18A
- Dimensions1.85 x 2.99 x 3.38 in (47 x 76 x 86 mm)
- Auxiliary Contacts1NO
- BrandsITC Electrical Components
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