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About RARA

RARA’s has been in business since 1989 with the vision to be the most competitive industrial resistor manufacturer in the world. With a combined effort from all the RARA teams and our international agents, we have made solid, steady progress as a high power resistor manufacturer.

We are committed to the production of high quality products, an ongoing R&D program, unparalleled customer service, a conscientious attitude toward our environment and a positive workplace for our employees.

RARA will continue to offer state-of-the-art products at reasonable costs and maintain it’s program of product development to best suit our customers. RARA’s newly recognized R&D center provides custom design service and technical support.

RARA would like to give customers a “ONE-STOP SOLUTION” with all kinds of resistive products. For their official website, please visit www.raraohm.com

Services

RARA IRH80F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 1.3333mΩ up to 3.3333mΩ
Rated current of 30A, 40A, 50A or 75A
Tolerance values of ±0.1%, ±0.5% or ±1.0%
Rated voltage 100mV
Temperature range of -25°C to +100°C

RARA IRH100

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH100F

Precision shunt resistor
4-terminal metal-clad design
Resistance value of 1.3333mΩ
Rated current of 75A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
Temperature range of -25°C to +100°C

RARA IRH120

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH150

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH200

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH200F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.4mΩ up to 1.3333mΩ
Rated currents from 100A up to 250A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltage 100mV
Temperature range of -25°C to +100°C

RARA IRH300

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH300F

Precision shunt resistor
4-terminal metal-clad design
Resistance values between 0.1250mΩ up to 0.3333mΩ
Rated currents from 300A up to 500A
Tolerance values of ±0.1, ±0.5% or ±1.0%
Rated voltages of 50mV or 100mV
Temperature range of -25°C to +100°C

RARA IRH400

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRH500

Metal clad wire wound resistor
Option of flying leads (tab terminals are standard)
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Extruded aluminium horizontal housing
Short time overload of 10 x power rating is 5 seconds

RARA IRM600

Metal clad wire wound resistor
Resistance options from 0.1Ω up to 94Ω
Power rating of up to 600W (on a heat sink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULM Series

RARA IRM800

Metal clad wire wound resistor
Resistance options from 0.1Ω up to 112Ω
Power rating of up to 800W (on a heat sink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULM

RARA IRM1000

Metal clad wire wound resistor
Resistance options from 0.1Ω up to 150Ω
Power rating of up to 1000W (on a heat sink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULM

RARA IRM1200

Metal clad wire wound resistor
Resistance options from 0.1Ω up to 160Ω
Power rating of up to 1200W (on a heat sink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULM

RARA IRM1600

Metal clad wire wound resistor
Resistance options from 0.3Ω up to 88Ω
Power rating of up to 570W (free air)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For UL Approval see the ULM

Calculators and Converters

Work out what you need for your project. Go to calculators and convertors