Resistors


















h
l Portabank Portable Resistive Load Bank

PortaBank™ is the smallest weather capable load bank in Mosebach's line of portable resistive load bank products. The PortaBank™ is a fully operational, extremely durable, lightweight and portable resistive load bank that can be easily moved from site to site to handle all of your load requirements. Our products are designed and manufactured to be able to withstand vibration, shock, tough working conditions and high temperatures!

Mosebach's resistors are the toughest and best on the load bank market!

PortaBank™ can be used for testing generators, UPS systems and static inverters up to 255kW in 5kW increments.

Standard voltages available are 480/240/208V 3 phase, 60Hz. A 200V 3 phase 400Hz option is also available. 600V and other voltage versions are also available.

Mosebach has a long history in the rail and mining industries, where its resistors are used in large power (4,000 kW typical) dynamic brake systems. Thousands of our resistors are used daily in locomotives and giant mining trucks in the USA and around the world.

Mosebach has taken its expertise in large power resistors and applied it to these smaller power load banks. Specifically, we have developed the SlimLine™ resistor, which has superior insulation and heat transfer capabilities. The resistor element is a stamped stainless steel plate held in place with mica insulators. There is no ceramic to shatter, no metal rods to short circuit, and no bailing wire to cause a cascade failure of the load bank's resistors.

FEATURES:

Mechanical
  • Rugged steel enclosure with scratch-resistant powder-coat paint system.
  • Portable, lightweight construction with 3.5” casters (two fixed and two swivel with lockable brakes), four heavy-duty lifting eyes and lift truck channels, making it easy to maneuver.
Electrical
  • Digital meter (50/60 Hz) to indicate volts, amps, kW, frequency and more. Option for 400Hz voltages. Option for data logging capability.
  • Switches for master/blowers on/off, voltage selection, load shock, load dump and steps on/off.
  • Test jacks for voltages.
  • Airflow and overtemperature indication lamps.
  • Steps are controlled by magnetic contactors.
  • Power circuit fuses.
  • Control power from the bus or customer supplied. Control circuit fuses are included to protect contactor coils and meter, and a motor starter for the blower.
  • Customer connection is via color coded cam-lock terminals for easy and safe connect and disconnect.
Cooling
  • High-volume, 2650CFM, 1HP, low-noise centrifugal blower or 16”, single inlet, 3 HP, 5500CFM, vane axial blower with horizontal discharge.

Dimensions: L = 54”; W = 29”; H = 34”

Resistors
SlimLine™ resistors consisting of a stamped stainless steel plate held in place with mica insulators. 2-year warranty.

OPTIONS:
  • 400Hz meter
  • 50/60Hz meter with data logging
  • 25' or 50' cable set with mating female cam-lock set
  • Mating female cam-lock set
  • Vinyl cover
  • Remote and PLC-control capabilities are available.
  • Weather rated enclosure
  • Support brackets for stationary mounting
PBH MODELS:
Model Number

kW

Voltage (AC)

Minimum Load Resolution

PBH78.5208
(60Hz & 400Hz)

78.5

208, 3 ph

1 kW (unbalanced)

PBH155/155  

155

480 or 480/240, 3ph

5kW

PBH195/195

195

480 or 480/240, 3ph

5kW

PBH255/255

255

480 or 480/240, 3ph

5kW

PBH200480  

200

480, 3ph

40kW

PBH240480

240

480, 3ph

40kW

PBH150600

150

600, 3ph

5kW

PBH200600

200

600, 3ph

12.5kW

PBH255600

255

600, 3ph

5kW


We can design and build almost any load bank to fit your needs.
Please contact us with your specifications!

See our other load bank models:
PB2F       up to 105kW        MB555     up to 600kW        MBX1515    up to 1600kW
PBX295   up to 295kW        MBX755   up to 800kW
As well as resistive/reactive, DC, rad-mounted and locomotive test load banks.

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