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MDS Steel Mill Inverters


Product Overview

MDS Heavy & Medium Duty Steel Mill Inverters. Heavy Duty Steel Mill Inverter INV-250 is a pure sine wave, NEMA 4 crane inverter designed to operate in harsh environmental conditions, available in 1KVA, 3KVA & 5KVA models. Meduim Duty Major500, Major1000 & Major2000 are rugged DC/AC steel mill inverters, sine wave 250VDC to 115Vac/60Hz.



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3000W Steel Mill Inverter
  • $6,029.00
  • Availability: In stock
5000W Steel Mill Inverter
  • $7,199.00
  • Availability: In stock
Steel Mill Inverter 500VA 250VDC
  • $1,295.00
  • Availability: In stock
Steel Mill Inverter 2000VA 250VDC
  • $3,599.00
  • Availability: Request Lead time
Steel Mill Inverter 1000VA 250VDC
  • $1,799.00
  • Availability: In stock


Standard Features : 

INV-250 Heavy Duty Steel Mill Inverter

  • Heavy Duty
  • Designed to operate in harsh environmental conditions.
  • 250VDC  to 120/240VAC.
  • 3kW & 5kW models.
  • Nema 4
  • Applications: Lights, air conditioner, small heater in a crane cabin, small AC in a crane cabin
    Major Medium Duty Steel Mill Inverters
    • Medium duty, light weight
    • 500, 1000 & 2000VA.
    • 250 VDC to 115Vac/60Hz.
    • Ruggedized with sine wave output.
    • MOV protection
    • Conformal Coating 
    • Applications: Steel Mill Cranes

    Model Selection Guide : 


     INV-250 Heavy Duty Steel Mill Inverter
      INV-250/3000SM  INV-250/5000SM 
    Output Power (W)  3,000 5,000
     Output Power (HP)  4.02 6.7
    Max starting current allowable (A) up to 40 seconds (at 120VAC) 48 79
    Maximum starting power (HP)
    Up to 40 seconds

    7.5 12.3
    Output Voltage
     120/240 VAC
    Output Power in BTU/hr Up to 10,000
    Up to 17,000
    Output Frequency
    60Hz
    Dimensions  (HxLxW)
    777 x 381 x 476.5 mm ( 30.6 x 15 x 19 in)
    Weight 
    156 lbs (70.7 kg)
    195 lbs (88.4 kg)


     MAJOR Medium Duty Steel Mill Inverters  
      Major500-250 Major1000-250 Major2000-250
    Input Voltage  250Vdc nominal. 200-400Vdc operating range
    Input Current  3A max 6A max 13A max
    Output Voltage 115VAC/60Hz
    Input Connection Terminal block
    Output Connection NEMA 5-15R duplex receptacle  NEMA 5-15R duplex receptacle NEMA 5-20R duplex 
    Package Dimensions (WxHxL) 5.2” x 5.2” x 16” (132 x 132 x 407mm) 7.4” x 5.2” x 17” (187 x 132 x 432mm) 14” x 5.2” x 16” (355 x 132 x 406mm) 
    Weight 14 lbs (6.3 kg)
    18 lbs (8 kg)  25 lbs (11 kg)