RARA ULM2800 Series

  • RARA

Product Features

  • Metal clad wire wound resistor
  • Tab connections
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • UL approved
  • Metal cover type with an extruded aluminium housing
  • Short time overload of 10 x power rating is 5 seconds
  • UL


  • Compliant

The ULM2800 metal clad wire wound resistor series from RARA offers a power rating of up to 750W in free air, with available resistance values between 3Ω and 135Ω (inductive design) or between 0.7Ω and 33.5Ω (non-inductive design). These high power resistors are available with tolerances of ±1.0%, ±5.0% and ±10.0% as standard with tab terminals, as well as inductive or non-inductive resistive windings. The ULM2800 series from RARA are UL approved metal cover type with an extruded aluminium housing providing strong and rugged protection all with a temperature range from -55°C up to +200°C

  • Metal clad wire wound resistor
  • Tab terminal connections
  • Inductive resistance ranges available between 3Ω and 135Ω
  • Non-inductive resistance ranges available between 0.7Ω and 33.5Ω
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±1.0%, ±5.0% and ±10.0%
  • Power rating of 750W in free air
  • Insulation resistance of 20MΩ minimum
  • Metal cover type with an extruded aluminium housing
  • UL approved
  • Temperature range between -55°C and +200°C
  • Short time overload of 10 x power rating for 5 seconds

Typical applications for the ULM series include:

  • Motor drives
  • braking and snubbing applications
  • Power sources for industrial equipment

The below table gives the specifications available for the ULM series including the ULM2800 resistors:

RARA ULM2800 Specifications

Extended ohmic ranges are available, please contact us for further details.

Calculators and Convertors

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Weight 4.30000 kg
Dimensions 100.00 x 50.00 x 550.00mm
Inductive or Non Inductive


Maximum Resistance

Minimum Resistance

Power Rating

Resistance Value

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Series / Model

Temperature Coefficient

Termination / Connection Type



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RARA IRM and ULM 1600 to 2800 Series Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



RARA IRM and ULM series metal clad wire wound resistor datasheet




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  • RARA

RARA ULM2800 Series

Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.