CST™ 280 Multi Operator Welding Rack | Miller | MillerWelds

CST™ 280 4-Pack Rack 220-230/460-575 V, Tweco®

Rugged enclosure provides simple means for protecting and transporting multiple welding power sources for construction, maintenance/repair and shipbuilding applications

4-Pack Rack

8-Pack Rack


What's Included

  • 25 A fuses for 460 V
Arc Performance
Excellent weld performance is provided in both Stick and TIG. Stick boost circuit makes it difficult to stick EXX10 electrodes.
Minimum operator controls requires no training. Adaptive Hot Start™ automatically sets optimum starting conditions for stick electrode. Process selector switch automatically sets the optimum volt-amp curve and DIG for Stick welding based on electrode type.
Individual power source and rack enclosure designed to meet the needs of field construction.
Wireless Compatible
Compatible with the Wireless Remote Hand Control. Improve productivity, eliminate clutter and cord tangles in the work area. Eliminate cord failure and associated downtime/repair costs and extend the operator's welding range without adding cord extensions.
Light weight and small footprint for easy transportation. The low weight enables the use of elevators to move the rack.
Common Ground
Common output ground connection (for same polarity use only).
Lifting Eye
Lifting eye simplifies transportation using crane or overhead lifting device.
Individually Fused
One main disconnect box with fused circuit breaker switches for each machine.

Not Included

  • Power Cord


Product Literature


Stick (SMAW)
Air Carbon Arc Cutting and Gouging (CAC-A)

General Specifications

Title CST™ 280 4-Pack Rack 220-230/460-575 V, Tweco®
Industries Interests Construction
High Purity Processing
Maintenance and Repair - Field Operations
Maintenance and Repair - In Plant
Mechanical Contracting
Pipe Fabrication / Construction
Connector Style Tweco®
Weldable Metals Steel
Stainless Steel
Input Voltage 220/230/240 V
575 V
460/480 V
Rated Carbon Diameter 3/16 in (4.8 mm)
Input Phase 3-Phase
Input Hz 50 / 60 Hz
Current Type DC
Max Open Circuit Voltage 77 VDC
Rack Capacity 4
Portability Running Gear / Cart (Optional)
Lift Eye (Standard)
Weld Output CC
Net Width 25.5 in
Net Height 50.75 in
Net Length 26.5 in
Net Weight 355 lbs
Warranty 3 Years
Miller's True Blue Warranty