Flextec® 650 Subarc CE (K5441-1)

The Flextec® 650 Subarc CE is a high‑output submerged arc welding inverter delivering up to 815 A of CC/CV power for heavy‑duty construction, shipbuilding and structural fabrication applications.

Key Features

• Supports a wide range of 3‑phase input voltages (380‑575 V) and frequencies (50/60 Hz)
• Easy mode selector indicator with CC/CV output
• Designed for cool operation and long life in high‑temperature environments
• Compatible with 115 V and 42 V analog wire feeders, digital ArcLink controllers, and LT‑7 tractor systems
• Up to 815 A continuous output current

Specifications

• Input Voltage: 380/460/575 V (3‑phase)
• Input Frequency: 50/60 Hz
• Input Current: 750 A @ 44 V (60 % duty) or 650 A @ 44 V (100 % duty)
• Output Range: 10 A – 815 A (CC/CV)
• Polarity: DC
• Dimensions (H×W×D): 21.8 in × 16.1 in × 29.3 in (554 mm × 410 mm × 745 mm)
• Net Weight: 165 lb (75 kg)
• Ingress Protection: IP23
• Wire Feeder Supply Voltage: 115 VAC / 42 VAC / 40 VDC
• Work Lead Connector: Lug
• Warranty: 5 years

Applications

• Heavy fabrication
• Shipbuilding
• Structural fabrication