RARA IRV1200 Series

RARA IRV1200 Series

The IRV1200 metal clad wire wound resistor series from RARA offers a power rating of up to 1200W on a heat sink (480W in free air) with available resistance values between 0.1Ω and 160Ω (inductive design) or between 0.1Ω and 48Ω (non-inductive design). These high power resistors are 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 IRV1200 series from RARA have a cement moulding 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
  • Cement moulding with an extruded aluminium housing
  • Option of flying leads, parallel or series terminal connections
  • Inductive resistance ranges available between 0.1Ω and 160Ω (flying leads), 0.1Ω and 25Ω (parallel tab terminal connection) or 25.1Ω and 160Ω (serial tab terminal connection)
  • Non-inductive resistance ranges available between 0.1Ω and 48Ω (flying leads), 0.1Ω and 12Ω (parallel terminal connection) or 12.1Ω and 48Ω (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 1200W on a heat sink (480W in free air)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C
  • Short time overload of 10 x power rating for 5 seconds

Typical applications for the IRV series include:

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

The below table gives the specifications available for the IRV series including the IRV1200 resistors:

RARA IRV1200 Specifications

* Note: Tab TP = terminal parallel connection, Tab TS = terminal serial connection

Specifications
Additional Features
  • Metal clad wire wound resistor
  • Option of flying leads, parallel or series connections
  • Inductive or non-inductive design
  • Insulation resistance of 20MΩ minimum
  • Temperature range of -55°C up to +200°C
  • Cement moulding with an extruded aluminium housing
  • Short time overload of 10 x power rating is 5 seconds
Maximum Power RatingOn heat sink
  • 1200W
In free air
  • 480W
Maximum ResistanceInductive
  • 160Ω (flying leads)
  • 160Ω (serial tab terminal connection)
  • 25Ω (parallel tab terminal connection)
Non-inductive
  • 48Ω (flying leads)
  • 48Ω (serial tab terminal connection)
  • 12Ω (parallel tab terminal connection)
Minimum ResistanceInductive
  • 0.1Ω (flying leads)
  • 25.1Ω (serial tab terminal connection)
  • 0.1Ω (parallel tab terminal connection)
 Non-inductive
  • 0.1Ω (flying leads)
  • 12.1Ω (serial tab terminal connection)
  • 0.1Ω (parallel tab terminal connection)
TCR±260ppm/°C maximum
Tolerance
  • ±1.0% (F)
  • ±2.0% (G)
  • ±5.0% (J)
  • ±10.0% (K)

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:

 

 

DOCUMENTATION
PDF DocumentRARA IRV, ULV, IRM and ULM 600 to 1200 series metal clad wire wound resistor datasheet

 

 

 

This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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Tags: RARA IRV1200, IRV1200