MC-85A-AC220V is a 3-contactor AC poli from the Metasol series manufactured by LS Electric (Coreea de Sud). It is mainly used for remote making and breaking of circuits, as well as frequent starting and stopping of AC motors. As an upgraded replacement for the GMC series, are dimensiuni compacte, stable performance and environmental friendliness.
Explicația modelului
| Model Part | Sens |
| MC | Metasol series contactor |
| 85 | Rated operational current 85A |
| O | Design code |
| AC220V | Coil voltage 220V AC |
Full model: MC85A-30-22-M7-S-E (configurație standard)
Parametrii tehnici cheie
| Parametru | Caietul de sarcini |
| Rated Operational Current (Ie) | 85A at AC-3, 400V |
| Poles / Contacte principale | 3P, 3NU (3-stâlp deschis în mod normal) |
| Contacte auxiliare | 2NU+2NC (standard) |
| Tensiunea bobinei | 220V și (50/60Hz) |
| Rated Operational Voltage | Up to 690V AC |
| Tensiune nominală de izolație (Ui) | 1000V |
| Tensiune nominală de rezistență la impuls (Ump) | 8kV |
| Mounting | 35mm DIN rail or screw mounting |
| Clasa de protectie | IP20 (finger protection) |
| Suitable Load | AC-3: 45kW (400V), AC-1: 52kW (400V) |
| Frecvența de operare | Max. 1200 operațiuni/oră |
Caracteristicile produsului
- High-performance design: Made of high-quality alloy materials with copper contacts for high reliability.
- Safety protection: Finger-proof design with IP20 protection to prevent accidental contact.
- Flexible mounting: Supports rail or screw mounting; accessories can be installed side or front.
- Accessory compatibility: Directly mountable with LS overload relays and supports various auxiliary contact extensions.
- Energy-saving and efficient: Lower power consumption than conventional contactors with more stable operation.
Applications
Motor control in industrial automation production lines
Control of fan, water pump and other fluid loads
Control of compressors, conveyors and other mechanical equipment
Used as main or branch switch in power distribution systems
System upgrade by replacing GMC-85 contactors
Replacement Options
Same-brand Replacements
MC-85A-DC24V: 24V DC coil version
MC-85A-AC110V/AC380V: Other AC coil voltage versions
Cross-brand Replacements
| Marca | Replacement Model | Note |
| Schneider | LC1D80M7C (80O, 220V și) | Slightly lower rated current |
| Siemens | 3RT2036-1AK60 (80O, 220V și) | Functionally compatible |
| ABB | A145-30-11 (80O, 220V și) | Equivalent performance |
| Chint | NXC-85 (85O, 220V și) | Domestic alternative with lower cost |
Instalare & Maintenance Notes
- Confirm coil voltage matches control power supply before installation.
- Main circuit wiring should use suitable cables (≥16mm²) according to rated current.
- Circuit auxiliar (control loop) is recommended to use 1.5mm² cables.
- Regularly inspect contact wear; replace contactor if wear exceeds 1mm.
- Keep the contactor clean to avoid performance degradation from dust and oil.
Informații de comandă
Standard model: MC-85A-AC220V (MC85A-30-22-M7-S-E)
Optional accessories: Auxiliary contact modules, mechanical interlocks, surge suppressors, etc.
Packaging: Single unit with installation manual
Environmental Advantages of LS Metasol Series Contactors
As an upgraded replacement for the GMC series, LS Metasol series contactors excel in eco-friendly design, fully comply with international environmental standards, and achieve energy conservation and emission reduction through technological innovation, supporting the development of green industry. Their environmental advantages are detailed below across multiple dimensions:
- Compliance with International Environmental Standards
Full RoHS compliance: Strictly follows EU RoHS Directive, free of six hazardous substances including lead, mercury, cadmium, hexavalent chromium, PBB and PBDE, with internationally leading material environmental performance.
REACH regulation compliance: Designed in consideration of EU REACH requirements, restricting the use of SVHC to reduce environmental and health risks.
Low VOC emissions: Eco-friendly production processes reduce volatile organic compound emissions, meeting green manufacturing standards.
Complete international certifications: CE, UL and other authoritative certifications ensure global recognition for green procurement worldwide.
- Low-power Energy-saving Design
| Energy-saving Feature | Environmental Benefit |
| Low-power coil technology | Power consumption reduced by approx. 30–40% vs conventional contactors, significantly cutting electricity use and carbon emissions in long-term operation. |
| High-efficiency magnetic system | Optimized core design reduces eddy current loss, improves electromagnetic conversion efficiency and lowers standby power. |
| Permanent magnet drive option | Some models use permanent magnet actuation with no operating current during running, only a weak signal current (0.8–1.5mA), approaching zero energy consumption. |
| Smart control compatibility | Works with energy-saving controllers and inverters for soft starting and speed regulation, further reducing system energy use. |
III. Long Life & High Reliability Design
- Extra-long mechanical and electrical life
Mechanical life up to 25 milioane de operațiuni, electrical life up to 2.5 milioane de operațiuni, far exceeding industry averages.
Reduces equipment replacement frequency, lowering resource consumption and waste.
Cuts maintenance costs and downtime, improving productivity.
- High-durability materials
High-quality copper alloy contacts with excellent wear and arc resistance extend service life.
High-strength engineering plastic housing resists corrosion and aging, potrivit pentru medii industriale dure.
Sealed structure prevents dust and moisture ingress, enhancing stability and reducing failures.
- Design compact & Resource Optimization
- Space-saving design
Modular construction reduces volume by approx. 20–30% compared to conventional contactors, saving panel space.
Supports dense mounting, reducing enclosure material usage and carbon footprint in production and transport.
- Standardization & compatibility
Directly compatible with LS overload relays without extra adapters, reducing part variety and inventory.
Universal accessory design simplifies manufacturing and reduces resource waste.
Supports rail and screw mounting (models up to 150AF) for flexible installation and better space utilization.
- Safe & Eco-friendly Arc Management
Fully enclosed structure: Prevents arc emission, reduces environmental pollution and fire risks.
Arc suppression technology: Built-in high-efficiency arc extinguishing system quickly quenches arcs and reduces harmful gas emissions.
Finger protection: IP20 rating prevents accidental contact while reducing dust buildup, improving stability and service life.
- Adaptabilitate la mediu & Sustainability
- Wide temperature range: Operates from -25°C to +55°C, reducing reliance on air conditioning and heating and cutting auxiliary energy use.
- Strong anti-interference: High EMC performance reduces grid and nearby equipment interference, improving system stability.
- Recyclable design: Easy disassembly; main materials (copper, iron, plastic) are recyclable, supporting circular economy.
- Green packaging: Degradable and recyclable packaging materials reduce single-use waste.
VII. Environmental Value in Applications
| Câmp de aplicare | Environmental Benefit |
| Industrial automation lines | Energy-saving motor control reduces carbon emissions and improves equipment utilization. |
| Fan & pump systems | Combined with inverters for flow control, saving 30–50% energy. |
| New energy sector | High reliability supports long-term operation in PV and wind power, reducing maintenance. |
| Building electrical systems | Low-power design cuts building energy use, meeting green building standards. |
| Legacy contactor replacement | Direct retrofit without structural changes enables fast system energy upgrades. |
VIII. Summary Comparison of Environmental Advantages
| Environmental Aspect | Metasol Series | Conventional Contactors | Improvement |
| Hazardous substances | Conform RoHS | May contain restricted substances | 100% |
| Consumul de energie | Scăzut / ultra-low (permanent magnet) | Relatively high | 30–100% |
| Service life | Mech. 25M / Elec. 2.5M | Mech. 10M / Elec. 1M | 150% |
| Size | Compact (20–30% smaller) | Larger | 20–30% |
| Recyclability | Ridicat (easy disassembly) | Moderate | 50% |
- Selecţie & Application Recommendations
- Select the appropriate contactor model based on load type, prioritizing low-power versions.
- Use with LS overload relays for optimal system compatibility and energy efficiency.
- For long-running equipment, permanent magnet contactors are recommended for maximum energy savings.
- Perform regular maintenance and keep units clean to extend life and enhance environmental value.
LS Metasol MC Series Contactor Model List & ABB Replacement Cross-reference
- MC Series Model System Description
LS Metasol MC series contactors are upgraded replacements for the GMC series, featuring modular design with various frame sizes: 18AF, 22AF, 32AF, 40AF, 50AF, 65AF, 85AF, 100AF, 150AF, 225AF, 300AF, 400AF, 500AF, 630AF, 800AF. Each frame offers multiple rated current options.
Model Naming Rule: MC-[Curent nominal][Structure Code]-[Tensiunea bobinei]
Structure code: a/b for different terminal types (a = screw, b = clamp)
Tensiunea bobinei: AC24V, AC36V, AC42V, AC48V, AC110V, AC220V, AC380V, DC24V, etc.
- Complete Model List (by Frame Size)
- Small Current Frames (18AF / 22AF)
| Frame | Model | Curent nominal (AC-3, 400V) | Standard Aux. Contacte | Replaces Old Model |
| 18AF | MC-6a | 6O | 1NU+1NC | GMC-6 |
| 18AF | MC-9a | 9O | 1NU+1NC | GMC-9 |
| 18AF | MC-12a | 12O | 1NU+1NC | GMC-12 |
| 18AF | MC-18a | 18O | 1NU+1NC | GMC-18 |
| 22AF | MC-9b | 9O | 1NU+1NC | GMC-9 |
| 22AF | MC-12b | 12O | 1NU+1NC | GMC-12 |
| 22AF | MC-18b | 18O | 1NU+1NC | GMC-18 |
| 22AF | MC-22b | 22O | 1NU+1NC | GMC-22 |
- Medium Current Frames (32AF ~ 150AF)
| Frame | Model | Curent nominal (AC-3, 400V) | Standard Aux. Contacte | Replaces Old Model |
| 32AF | MC-32a | 32O | 2NU+2NC | GMC-32 |
| 40AF | MC-40a | 40O | 2NU+2NC | GMC-40 |
| 50AF | MC-50a | 50O | 2NU+2NC | GMC-50 |
| 65AF | MC-65a | 65O | 2NU+2NC | GMC-65 |
| 75AF | MC-75a | 75O | 2NU+2NC | GMC-75 |
| 85AF | MC-85a | 85O | 2NU+2NC | GMC-85 |
| 100AF | MC-100a | 100O | 2NU+2NC | GMC-100 |
| 150AF | MC-150a | 150O | 2NU+2NC | GMC-150 |
- Large Current Frames (225AF ~ 800AF)
| Frame | Model | Curent nominal (AC-3, 400V) | Standard Aux. Contacte | Replaces Old Model |
| 225AF | MC-225a | 225O | 2NU+2NC | GMC-225 |
| 300AF | MC-300a | 300O | 2NU+2NC | GMC-300 |
| 400AF | MC-40a | 400O | 2NU+2NC | GMC-400 |
| 500AF | MC-500a | 500O | 2NU+2NC | GMC-500 |
| 630AF | MC-630a | 630O | 2NU+2NC | GMC-630 |
| 800AF | MC-800a | 800O | 2NU+2NC | GMC-800 |
III. LS MC Series vs ABB Contactor Cross-reference (with Order Codes)
| LS MC Model | Curent nominal (AC-3, 400V) | ABB Replacement | ABB Order Code | Note |
| MC-6a/9a/9b | 6A/9A | A9-30-10 | 1SBL281001R8010 | Standard 3-pole, 2NO aux. |
| MC-12a/12b | 12O | A12-30-10 | 1SBL281002R8010 | Functionally compatible |
| MC-18a/18b | 18O | A16-30-10 | 1SBL281003R8010 | Slightly higher rated current |
| MC-22b | 22O | A26-30-10 | 1SBL281004R8010 | Equivalent performance |
| MC-32a | 32O | A30-30-10 | 1SBL281005R8010 | Direct replacement |
| MC-40a | 40O | A40-30-10 | 1SBL281006R8010 | Configurație standard |
| MC-50a | 50O | A50-30-10 | 1SBL281007R8010 | Perfect match |
| MC-65a | 65O | A63-30-10 | 1SBL281008R8010 | Close rated current |
| MC-75a | 75O | A75-30-10 | 1SBL281009R8010 | Identical function |
| MC-85a | 85O | A95-30-10 | 1SBL281010R8010 | Replaces GMC-85 |
| MC-100a | 100O | A145-30-10 | 1SBL281011R8010 | Slightly higher rated current |
| MC-150a | 150O | AF145-30-10 | 1SBL281012R8010 | Upgraded frame |
| MC-225a | 225O | AF210-30-10 | 1SBL281013R8010 | High-current application |
| MC-300a | 300O | AF260-30-10 | 1SBL281014R8010 | Direct replacement |
| MC-400a | 400O | AF400-30-10 | 1SBL281015R8010 | Equivalent performance |
| MC-500a | 500O | AF580-30-10 | 1SBL281016R8010 | Frame matching |
| MC-630a | 630O | AF630-30-10 | 1SBL281017R8010 | Rated current match |
| MC-800a | 800O | AF750-30-10 | 1SBL281018R8010 | Largest rating |
- Replacement Selection Notes
- Auxiliary contact configuration: LS MC series comes standard with 2NO+2NC (small types 1NO+1NC), while ABB equivalents have 1NO+1NC. For identical configuration, select models suffixed “11” (de ex., A9-30-11).
- Coil voltage matching: Ensure ABB contactor coil voltage matches the original LS unit (AC220V, AC110V, DC24V, etc.).
- Mounting dimensions: MC series is 20–30% smaller than GMC and similar in size to ABB AF series, fitting existing rails directly.
- Overload relay compatibility: MC series mounts directly with LS MT series; ABB contactors require matching TA series relays.
- Accessory compatibility: MC supports various auxiliary extension modules; ABB replacements use corresponding RL series accessories.
- Special Model Notes
Reversing contactors: MC reversing series = MCR (de ex., MCR-40a), corresponding to ABB AF reversing contactors (de ex., AF40-30-10).
Capacitor contactors: MCC series (de ex., MCC-32a), corresponding to ABB UA series (de ex., UA30-30-10).
DC contactors: MCD series (de ex., MCD-40a), corresponding to ABB AL series (de ex., AL40-30-10).
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