| Specification | Parameter |
| Brand | Shiva |
| Series | MOSFET MMA Series |
| Product Type | Inverter Manual Metal Arc (MMA) Welding Machine |
| Model Variants | MOSFET 200 AMP Variant | MOSFET 250 AMP Variant |
| Technology | High-Frequency MOSFET Inverter Architecture |
| Input Voltage | 200A: Single Phase (220V–240V AC) | 250A: Dual Voltage / 3-Phase (380V AC) |
| Operating Frequency | 50 Hz / 60 Hz AC |
| Output Current Range | 200A: 20A – 200A | 250A: 20A – 240A / 250A |
| Rated Input Power | 200A: ~7.0–8.5 KVA | 250A: ~9.0–11.0 KVA |
| No-Load Voltage | 200A: ~56V–60V | 250A: ~70V–76V |
| Compatible Electrode Size | 200A: 1.6 mm – 4.0 mm | 250A: 2.5 mm – 5.0 mm |
| Duty Cycle | ~60% to 80% at maximum output |
| Cooling & Safety | Forced Air Fan Cooling, Thermal Overload Protection & Surge Safeguards |
| Best Used For | Workshops, Grill & Gate Fabrication, Structural Steel & On-Site Repair across Nepal |
Robust MOSFET Inverter Architecture: Utilizes parallel-switched MOSFET transistors providing high surge tolerance, field-serviceability, and dependable high-frequency switching.
Smooth & Stable Arc Striking: Engineered to deliver instant arc ignition with minimal spatter, resulting in clean, uniform weld beads on mild steel and alloy structures.
Versatile Current Output (200A & 250A): Available in 200 Amp and 250 Amp configurations with high duty cycles (~60% to 80%) to handle continuous fabrication.
Wide Electrode Compatibility: Accommodates welding rod sizes from 1.6 mm up to 5.0 mm for both light sheet metal repair and heavy gauge structural plate joining.
Heavy-Duty Steel Chassis & Protection: Built with a durable industrial metal enclosure, forced air fan cooling, and built-in thermal overload protection across Nepal.