Chief Mi300i Spot Welder

The Chief Mi300i Spot Welder is a high performance spot welder and it is the ideal solution for all high strength steel body repairs.

(Squeeze Type Resistance Spot Welder)

It’s EASY to handle with reduced weight Features the new GENIUS clamp allowing an automatic retraction of the electrodes for quick access of the welding area. Auto-mode allows welding without entering any parameters into the machine cutting welding time in half. Water lines automatically connects when changing arms, reducing set up time.

INTELLIGENT WELDING
AUTO mode: automatically recognizes steel type, sheet-metal thickness

Multiple programs available: Normal, Manual, Multi, Auto, Manufacturer and Energy
Tracking saves the characteristics of each welding spot to the SD card

Chief Mi300T Spot Welder Features:

• Water-cooled power cables, electrodes and caps
• 5.7” LCD screen
• Automatic adjustment of pressure between electrodes
• Spot count feature to determine the caps lifetime
• 80 mm of automatic opening capacity (20 mm at rest)

Chief Mi300 Spot Welder DATA SHEET

This Chief system is made by GYS. Here’s the same unit in yellow.

SPECIFICATIONS MI300T

• Power Supply 208-240V (3 phase)
• Fuse: 40 A slow blowing
• Connection Cable Length: Input mains cable: 26’ (8m)
• Weld cable: 20’ (6m)
• Frequency: 50/60 Hz
• Supply Power: 14 kVA (80 kVA max)
• Nominal power by 50 % ED 20kVA
• Maximum welding current: 14,500 A DC (at 230V)
• Electrode Force 550 daN with 8 bars
• (1236 lbf with 116 PSI)
• Ambient temperature: 41˚ to 113˚ F (5˚ to 45˚ C)
• Protective System IP 21
• Pliers Weight 23.1 lbs. (10.5 kg)
• Weight without Accessories Approx. 220 lbs. (100 kg)
• Dimensions H / W / D 36.4” / 25.6” / 31.5”
• (92.5 x 65 x 80 cm)
• Cable Length Input mains cable: 26’ (8m)
• Weld cable: 20’ (6m)
• Cooling Liquid Capacity 8 gallons (30 liters)
• Available power supply:
• MI300T #CEL069176 > 208V-240V / 40 amp fuse
  • – 3 phase power
• MI300T #CEL071223 > 480V / 20 amp fuse
  • – 3 phase power