RoMan MFDC / Inverter Power Supplies FOR SALE

IN-STOCK and Available Now from Weld Systems Integrators

(844) WSI-WELD
(216) 475-5629
EMail WSI
Quote Request

RoMan MFDC / Inverter Power Supplies are lightweight, water-cooled and ideal for robotic welding applications. Secondary current exceeds 500K amps, which can aid in the production of large projection welds. Available in various frequencies and secondary voltages. The size and capability of RoMan MFDC units can be designed to meet your application’s requirements.

Our Standard MFDC/Inverter Power Supplies feature:

  • KVA Range: 7 – 1,500
  • KVA Primary Volts: 325 – 800
  • Volts Frequency Range: 400 – 2,000
  • Hz Size: Rectifier capacity from size 1-48
  • Thermoswitch Protection
  • Fully encapsulated to ensure long life
  • Optional accessories: Secondary pick-up coil

RoMan MFDC Transformer | Weld Systems Integrators

MFDC / Inverter Power Supplies Technical Data

MFDC / Inverter Power Supply – SIZE 2

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
100 2 500 S 55:1 9.09 N / A N / A TDC-5618 5583-1 RC-5618 N / A 47
100 2 650 S 72:1 9.02 N /A N /A TDC-5583 5583-1 RC-5583 N / A 47
100 2 800 S 88:1 9.09 N / A N / A TDC-5748 5583-1 RC-5583 N / A 47

MFDC / Inverter Power Supply – SIZE 3

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
160 3 500 S 55:1 9.09 38:1 13.15 TDC-5826 5998-1 RC-5998 N / A 70
160 3 650 S 72:1 9.02 50:1 13:1 TDC-5998 5998-1 RC-5998 N / A 70
160 3 800 S 88:1 9.09 61:1 13.11 TDC-5999 5998-1 RC-5998 N / A 70

MFDC / Inverter Power Supply – SIZE 3.5

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
160 3.5 650 S 72:1 9.02 50:1 13:1 TDC-6650 6650-1 RC-6650 N / A 70
160 3.5 800 S 88:1 9.09 61:1 13.11 TDC-6827 6827-1 RC-6650 N / A 70

MFDC / Inverter Power Supply – SIZE 4

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
170 4 500 H 50:1 10:1 38:1 13.15 TDC-5441 5441-1 RC-5441 N / A 100
170 4 650 H 68:1 9.55 50:1 13:1 TDC-1078 1010335 1110079 N / A 100
170 4 800 H 84:1 9.52 61:1 13.11 TDC-5620 1010335 1110079 N / A 100

MFDC / Inverter Power Supply – SIZE 6

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
225 6 500 H 38:1 13.15 N / A N / A TDC-7080 7000-1 RC-7000 N / A 110
225 6 650 H 50:1 13:1 N / A N / A TDC-7000 7000-1 RC-7000 N / A 110
320 6 500 S 55:1 9.09 38:1 13.15 TDC-5874 5874-1 RC-5874 #2 metric 250
320 6 650 S 72:1 9.02 50:1 13:1 TDC-5876 5874-1 RC-5874 #2 metric 250
320 6 800 S 88:1 9.09 61:1 13.11 TDC-6128 5874-1 RC-5874 #2 metric 250

MFDC / Inverter Power Supply – SIZE 8

KVA Rating @ 50% Duty Cycle MFDC Inverter Power Supplies Volts Frame Size Secondary Turns Ratio & Voltage Model Number Drawing (PDF) Rating Curve RWMA Pad Size Approx Weight (Lbs)
Tap 1 Tap 2
Turns Ratio Volts Turns Ratio Volts
400 8 500 B 55:1 9.09 38:1 13.15 TDC-5547 5547-1 RC-5547 #3 metric 435
400 8 650 B 68:1 9.55 50:1 13:1 TDC-5422 5422-1 RC-5422 #3 metric 435

NOTE: Drawings and Rating Curves AVAILABLE ON REQUEST

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Contact Weld Systems Integrators

Weld Systems Integrators (WSI) is your complete source for standard and custom resistance welders, consumables, spare and replacement parts and value added services. We offer WORLDWIDE shipping from our Warrensville Heights, OH location.

CONTACT Weld Systems Integrators, or REQUEST A QUOTE on standard IN-STOCK inventory or fully custom welding equipment. To speak with a WSI team member, please give us a call at 844-WSI-WELD or +1-216-475-5629.

Quote Request EMail WSI
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