Metal Clad Wire Wound Resistors

RARA ULM1000

  • Metal clad wire wound resistor
  • Resistance options from 0.1Ω up to 140Ω
  • Power rating of up to 1000W (on heatsink)
  • Tolerance options between ±1% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For Non UL Approval see the IRM
  • RARA
  • Compliant

Specifications

Weight 1.83500 kg
Dimensions 59.00 x 61.00 x 335.00mm
Product Type

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Series / Model

Power Rating

,

Minimum Resistance

0.1Ω

Maximum Resistance

140Ω

Tolerance

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Temperature Coefficient

Insulation Resistance

20MΩ minimum

Inductive or Non Inductive

Inductive, Non Inductive

Termination / Connection

Flying Leads, Parallel Tab Terminal Connection, Serial Tab Terminal Connection

Temperature Range

-55 to +200°C

Metal Clad Wire Wound Resistors

RARA ULM1000

  • Metal clad wire wound resistor
  • Resistance options from 0.1Ω up to 140Ω
  • Power rating of up to 1000W (on heatsink)
  • Tolerance options between ±1% and ±10.0%
  • TCR of +260 ppm/°C maximum
  • For Non UL Approval see the IRM
  • RARA
  • Compliant

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Product Datasheet

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Custom Component Solutions

Working alongside your design team from the earliest stage, we help you select the right part for the application and, where a standard part will not do, develop customised components with our manufacturing partners such as lead length, termination and package size.

Related RARA ULM1000 Components

The ULM1000 metal clad wire wound resistor series from RARA offers a power rating of up to 1000W on a heat sink (400W in free air) with available resistance values between 0.1Ω and 140Ω (inductive design) or between 0.1Ω and 36Ω (non-inductive design). These high power resistors are UL approved and available with tolerances of ±1.0%, ±2.0%, ±5.0% and ±10.0% as standard with other options available including flying leads or tab terminals, as well as inductive or non-inductive resistive windings. The ULM1000 series from RARA are a 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
  • Option of flying leads, parallel or series terminal connections
  • Inductive resistance ranges available between 0.17Ω and 140Ω (flying leads), 0.1Ω and 18Ω (parallel tab terminal connection) or 18.1Ω and 90Ω (serial tab terminal connection)
  • Non-inductive resistance ranges available between 0.17Ω and 36Ω (flying leads), 0.1Ω and 9Ω (parallel terminal connection) or 9.1Ω and 36Ω (serial terminal connection)
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 1000W on a heat sink (400W in free air)
  • Insulation resistance of 20MΩ minimum
  • UL approved
  • Metal cover type with an extruded aluminium housing
  • 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

Metal Clad Wire Wound Resistors

RARA ULM1000