RoMan Resistance Welding Transformers and Power Supplies FOR SALE
Water-Cooled AC Transformers, DC and MFDC / Inverter Power Supplies IN-STOCK at Weld Systems Integrators
RoMan resistance welding transformers and power supplies FOR SALE at Weld Systems Integrators. WSI distributes RoMan water-cooled AC transformers, DC, and MFDC / Inverter power supplies. We keep an IN-STOCK INVENTORY of new, used, and rewound resistance welding transformers at our Warrensville Heights location for quick shipment and delivery.
REVERSING MFDC POWER SUPPLY
Water-cooled Reversing MFDC power supplies are lightweight and can be used in robotic welding of aluminum in a variety of applications in industries.
- KVA: 225
- Primary Volts: 650
- Frequency: 1000 Hz
- Current Capacity: Up to 32K amps
- Fully encapsulated to ensure long life
FAST RISE TIME MFDC POWER SUPPLY
Provides an alternative to traditional capacitive discharge welding (CDW). FRT-MFDC power supply features:
- 650 Volt, 1,000 Hz
- 225 KVA @ 50% duty cycle
- Secondary no load DC voltage of 13.0 & 17.5 volts
- Thermostat protection
- Secondary pick-up coil
- Fully encapsulated to ensure long life
- Water-cooled, 15 L.P.M. (4 G.P.M.) minimum @ 30°C
- Weight: 50 kilograms (110 lbs)
MFDC / INVERTER POWER SUPPLIES
Lightweight water-cooled inverter power supplies are ideal for robotic welding applications.
- 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
FIXTURE-TYPE WATER-COOLED TRANSFORMERS
Ideal for multi-spot welding fixtures.
- KVA Range: 25 KVA – 200 KVA (rated at 50% duty cycle)
- Primary Voltages: 400 Volts, 50Hz | 480 Volts, 60Hz | 575 Volts, 60Hz
- Fully encapsulated to ensure long life
- Optional accessories: Secondary Parallel Bar Kit, Secondary Series Bar Kit, Grounding Reactors, Available remotely mounted Switchgear / Tap Switch, Over temperature thermoswitches
TRANSGUN WATER-COOLED TRANSFORMERS
Compact and lightweight, making them ideal for robotic and fixture spot welding applications.
- KVA Range: 35 KVA to 136 KVA (rated at 50% duty cycle)
- Primary Voltages: 240 Volts, 60 Hz | 480 Volts, 60 Hz | 575 Volts, 60 Hz
- Flat secondary pads
- Over-temperature thermoswitches
- Fully encapsulated to ensure long life
- Optional accessories: Special secondary pads, Secondary shunt adaptors, Secondary pick-up coil
PORTABLE GUN WATER-COOLED TRANSFORMER
Ideal for portable welding, remote robot, or manual welding guns.
- KVA Range: 50 KVA to 200 KVA (rated at 50% duty cycle)
- Primary Voltages: 480 Volts, 60 Hz | 575 Volts, 60 Hz
- Secondary connections to accept low reactance (kickless) welding cables
- Parallel Bars installed – optional Series Bars included
- Integral hangers for over-head mounting
- Fully encapsulated to ensure long life
- Optional accessories: Dual Kickless Cables, Over-temperature thermoswitches, Grounding Reactor
MACHINE WATER-COOLED TRANSFORMERS
Ideal for press, seam, rocker arm, cross wire and other welding applications.
- KVA Range: 20 KVA – 500 KVA (rated at 50% duty cycle)
- RWMA standard machine pad sizes and hole spacing
- Primary Voltages: 480 Volts, 60Hz (7 – 1/4″ x 9 – 1/4″ and 7 – 3/4″ x 10 – 1/4″ only) | 575 Volts, 60Hz
- Fully encapsulated to ensure long life
- Optional accessories: Available remotely mounted Switchgear / Tap Switch, Over-temperature thermoswitches
DC / LOW-FREQUENCY WATER-COOLED TRANSFORMERS
Ideal for high current, long-duty cycle applications–large ring projection, flash-butt and rim welding.
- KVA Range: 10 – 3,000 KVA
- Primary Voltages: 200 – 800 Volts
- Frequency: 50 – 60 Hz
- Secondary Voltages: 0.5 – 50 Volts
- Secondary Current Output: 1KA – 1,000KA
- Fully encapsulated to ensure long life
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 216-475-5629.
| Products and Services from Weld Systems Integrators | |||||||
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| Resistance Welders |
Projection Welding |
Custom Welding Automation |
Supplies | Value Added Services |
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| Welding Consumables |
Spare Parts |
Welding Accessories |
Available Brands |
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