MC-330a

Categories: Contactor and Overload Relay, Panel Control Brand: LS ELECTRIC

Parameter	MC-330a
Model / Series	MC-330a (Metasol series)
Main contacts	3 × NO (3P)
Auxiliary contacts	Typically 2 NO + 2 NC (2a2b) on many SKUs.
Rated current (AC-3)	≈330 A
Coil/control voltage	AC/DC wide-band coils (examples 100–240 V AC; 100–220 V DC)
Rated operational voltage (Ue)	Up to 690V
Rated insulation voltage (Ui)	~1000 V
Dimensions	W ≈163 mm × H ≈243 mm (verify PN)
Mounting	DIN-rail or panel depending on PN; lug terminations common
Standards / Certifications	IEC 60947; UL/CE

Description
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Description

LS Electric Metasol – MC-330a

3-pole magnetic contactor rated ≈330 A (AC-3) (≈350 A AC-1 on vendor pages) with typical 2 NO + 2 NC auxiliary options, screw terminals and DIN-rail/panel mounting; common coil wide-band options.

The Polar Energy Assessment:

A solid large-frame contactor for heavier motor starters and panel feeders where 330 A capacity avoids moving to heavy 1 kA frames. Good accessory support and multiple coil options, but plan for heavier wiring and busbars.

Pros

330 A AC-3 rating; useful for large small-motor clusters and feeders.
Multiple coil bands (AC and DC options available in family).

Limitations

Requires significant panel space and lug/bar termination.
IP20; enclosure recommended for industrial dirty/wet sites.

Typical use cases

Motor feeders in mid-sized plants.
OEM systems needing 300+ A switching without going to kA class.

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Disclaimer

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.