| Parameter | MC-50a |
| Model / Series | MC-50a (Metasol small frame) |
| Main contacts | 3 × NO (3P) |
| Auxiliary contacts | Typically 1 NO + 1 NC |
| Rated current (AC-3) | ≈50 A |
| Coil/control voltage | Common AC coils: 24 / 120 / 230 VAC; DC options available |
| Rated operational voltage (Ue) | Up to 690 V |
| Rated insulation voltage (Ui) | ~690–1000 V |
| Dimensions | Width ≈79 mm × Height ≈106 mm |
| Mounting | DIN-rail or screw |
| Standards / Certifications | IEC 60947 series; UL/CE |
3-pole magnetic contactor rated ≈50 A (AC-3), commonly shipped with 1 NO + 1 NC auxiliary, DIN-rail or panel mount, multiple coil voltages (AC/DC) per family SKUs.
The Polar Energy Assessment:
MC-50a is a robust small-frame contactor for HVAC and mid-small motor starters. It’s slightly larger than the 40 A class and carries the standard Metasol accessory and overload support, making it a good, no-surprises selection for 50 A circuits.
Product images are for illustrative purposes only and may not exactly match the actual item. All specifications and technical details should be verified using the official catalogs and datasheets provided by the respective manufacturer, as discrepancies may exist on this website.
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