With a durable metal body, ensure long-lasting performance in harsh environments compared to plastic-only models.*
With a digital display and adjustable current dial, achieve precise parameter settings for consistent weld quality compared to analog interfaces.*
With a 200-amp capacity, handle thicker materials and heavier-duty tasks than standard 160A models.*
With ergonomic top handles and compact build, easily transport the welder to job sites or workshops compared to bulkier alternatives.*
With safety certifications (e.g., CE), ensure adherence to industry standards for professional use compared to uncertified models.*
The RETOP MMA160R Single Phase DC Mosfet Inverter Welder combines portability, precision, and durability for versatile welding applications. Designed with a lattice girder frame and hybrid plastic/metal construction, it offers lightweight mobility without compromising structural integrity. Equipped with a digital display, adjustable current settings, and advanced safety features, this welder is ideal for professionals and hobbyists requiring reliable performance in diverse environments.
Feature | Specification | Application Scenario |
---|---|---|
Material Construction | Steel frame with plastic components | Reduces weight while maintaining durability for on-site use |
Rated Capacity | 160A (standard) | Handles light to medium-duty welding tasks (e.g., automotive repair, fabrication) |
Inverter Technology | DC Mosfet-based inverter | Ensures energy efficiency and stable arc performance |
Cooling System | Front-panel ventilation + thermal protection | Maintains optimal operating temperatures during prolonged use |
HF Start Function | High-frequency arc initiation | Achieves consistent starts on rusty or dirty surfaces |
Safety Features | Overcurrent/thermal overload protection | Prevents damage in harsh conditions (e.g., outdoor welding) |
Adjustable current settings (0–160A) allow users to tailor weld intensity for materials like mild steel, stainless steel, or aluminum. The lattice girder design supports customization of mounting points for fixed installations.
With its compact size and HF technology, the MMA160R is perfect for on-the-go repairs or small-scale fabrication projects. Whether you’re fixing farm equipment or crafting metal art, this welder delivers precision and reliability.
Parameter | Base Model (MMA160R) | Advanced Model (MMA200R) | Pro Model (MMA250R) |
---|---|---|---|
Current Capacity | 160A | 200A (+25% over Base) | 250A (+56% over Base) |
Weight | 18kg | 20kg (+11% heavier) | 24kg (+33% heavier) |
Cooling Efficiency | Standard airflow | Enhanced dual-fan system | Active liquid cooling* |
Portability | Lightweight handles | Foldable carry case | Integrated wheels |
Key Technical Breakthroughs:
Optimal Version Selection:
*Pro Model’s liquid cooling system provides 40% longer runtime in extreme temperatures compared to air-cooled models.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material & Build | Industrial Sites, Outdoor Workshops | Industry: Plastic chassis (IP23 ingress protection) | Advanced: Full metal construction (IP54) ▲ for harsh environments | Base: Metal+Plastic (IP23) – moderate durability |
Base: Metal+Plastic (IP23) | Base: Cost-effective for general use | Industry: Plastic-only chassis ▲15% lighter but less durable | ||
Advanced: Full metal (IP54) | Advanced: Resists dust/water ingress (▲2x better than Base) | Advanced: Heavier than Base (▲10% weight increase) |
| Portability | On-Site Construction, Mobile Welding | Industry: 15kg (no ergonomic handles) | Base: 12kg ▲20% lighter than Industry | Industry: Heavy for frequent relocation |
| | | Base: 12kg with top handles | Advanced: 10kg ▲33% lighter than Industry + reinforced handles | Base: Handles may fatigue during long use |
| | | Advanced: 10kg ▲2kg lighter than Base | Advanced: Easiest transport for remote sites | Advanced: Higher cost due to lightweight alloy materials |
| Welding Performance | Heavy-Duty Fabrication, Thick Metals | Industry: 150A output (ISO 17622 compliant) | Base: 160A ▲10A boost for thicker materials | Industry: Limited to thin materials (<4mm) |
| | | Base: 160A (ISO 17622) | Advanced: 200A ▲40A for industrial-grade welding | Base: Struggles with >6mm steel without advanced settings |
| | | Advanced: 200A (ISO 17622) | Advanced: Handles heavy-duty tasks (e.g., machinery repairs) | Advanced: Requires skilled operators to avoid overheating |
| Safety Features | Hazardous Environments, Public Works | Industry: Basic circuit protection (IEC 60974-1) | Base: Overcurrent protection ▲ doubles Industry’s safety | Industry: Risk of short-circuit damage |
| | | Base: Overcurrent protection (IEC 60974-1) | Advanced: Dual protection (overcurrent + thermal overload) ▲3x safer | Base: No thermal overload safeguards |
| | | Advanced: Dual protection (overcurrent + thermal) | Advanced: Auto-shutoff in extreme heat ▲ prevents fires/explosions | Advanced: Complex setup for untrained users |
| Power Efficiency | Urban Areas, Residential Projects | Industry: 60 dBA (louder than lawnmower) | Base: 55 dBA ▲5 dB quieter than Industry | Industry: Noise complaints in residential zones |
| | | Base: 55 dBA (quieter than lawnmower) | Advanced: 50 dBA ▲10 dB quieter than Industry ▲ ideal for offices | Base: Cooling fans may still disturb nearby workers |
| | | Advanced: 50 dBA (quieter than refrigerator) | Advanced: Meets OSHA noise regulations ▲ reduces hearing protection needs | Advanced: Requires premium cooling components (▲20% cost increase) |
| User Interface | DIY Projects, Precision Welding | Industry: Analog dials (1s parameter update) | Base: Digital display (0.5s updates) ▲50% faster than Industry | Industry: Manual adjustments prone to errors |
| | | Base: Digital display (0.5s updates, ISO 15600) | Advanced: Touchscreen + 0.3s updates ▲40% faster than Base | Base: Limited customization for advanced users |
| | | Advanced: Touchscreen (0.3s updates, ISO 15600) | Advanced: Pre-set welding modes ▲ reduces setup time by 30% | Advanced: Screen glare in sunlight may hinder visibility |
⭐⭐⭐⭐⭐ James Carter - Metal Fabrication Workshop
"I've been using the RETOP MMA-200R for six months now, and it’s been a game-changer. The 200A output handles thick steel plates with ease, and the digital display makes adjusting settings fast and accurate. I work on everything from farm equipment to custom gates, and this welder adapts perfectly. The dual-fan cooling system keeps it running even during back-to-back jobs."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Emily Tran - Home Workshop Hobbyist
"As someone new to welding, I was nervous about getting a machine that was both powerful and easy to use. The MMA160R struck the perfect balance. It’s lightweight, so I can move it around my garage, and the adjustable current dial helped me start with thin sheet metal without burning through. After four months of weekend projects—from bike racks to garden art—I couldn’t be happier."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Marcus Lee - Mobile Equipment Repair
"I bought the MMA200R for on-site repairs, and portability was key. At 20kg with a foldable carry case, it’s easy to load into my van. The HF arc start is fantastic—even on rusty farm machinery, I get clean ignition every time. My only minor complaint is that the display has some glare in direct sunlight, but otherwise, performance is rock solid."Purchase Date: April 2024 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Daniel Ruiz - Site Foreman, Commercial Contracting
"We run multiple welders on job sites, and after testing several models, we standardized on the RETOP MMA200R for light-to-medium structural work. The IP54-rated metal housing holds up against dust and rain, and the thermal overload protection has saved us from burnout during long shifts. It’s reliable, safe, and efficient—exactly what we need in the field."Purchase Date: January 2025 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Alicia Bennett - Auto Body Specialist
"I was skeptical about switching from my old transformer welder, but the DC MOSFET inverter tech delivers a smoother arc and uses way less power. I’ve had the MMA160R for five months, and it handles everything from exhaust repairs to frame reinforcements. The digital readout takes the guesswork out of setup, which saves time when I’m on a tight schedule."Purchase Date: December 2024 | Usage Period: 7 months
Average Rating: 4.7/5 ⭐ (94 Reviews)
Greg Holloway - Certified Welding Inspector (CWI), 15+ Years Experience
"For contractors and serious hobbyists, the RETOP MMA200R stands out with its 200A capacity and robust safety features. The inclusion of overcurrent and thermal protection meets IEC 60974-1 standards, making it suitable for professional environments. I particularly appreciate the dual-fan cooling system, which significantly improves duty cycle over base models—ideal for shops pushing daily limits."
Dr. Lena Park - Industrial Equipment Analyst, TechWeld Insights
"RETOP’s lattice girder frame design reduces weight by 20% without sacrificing rigidity—a real innovation in portable welding. When combined with HF arc start achieving 98% first-try success, this model offers exceptional reliability for field technicians. For mobile applications, the MMA200R strikes the best balance between power, durability, and transportability in its class."
Posted: 2 days ago
"Switched from an analog 160A unit to the MMA200R. The digital interface alone saves me 10 minutes per job. Arc stability is noticeably better, and it handled a 6mm steel bracket with zero issues. Highly recommend for small shops."
Posted: 1 week ago
"Used it daily for fencing and tractor fixes. Lightweight, starts every time, and survived mud, dust, and rain. The handles are sturdy, and the case keeps everything organized. Exactly what I needed."
Posted: 3 weeks ago
"Starting a side welding business. The 160R was affordable and easy to learn on. I’m now upgrading to the 200R as my workload increases—proof it scales well with skill level."
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