RARA

RARA

Avancerede High Power metalhus modstande

  • Specialiseret I en bred vifte af højeffekt, high power, metal profiler, wirewound modstande og modstands konfigurationer
  • Både inductive og ikke induktive design i forskellige tilgængelige pakningstyper
  • UL godkendte samt IP65 klassificerede modstande er tilgængelige i udvalgte modeller
  • Kunde specificerede og andre optioner er tilgængelig i hele produkt sortimentet

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RARA FRH 25C Series

The FRH 25C metal clad thick film resistor series from RARA offers a power rating of up to 15W on a heat sink and 5W in free air with available resistance values between 1kΩ and 2MΩ (non-inductive design). These high power resistors are available with tolerances of ±1%, ±2%, ±5% and ±10.0%. The FRH 25C series from RARA has a cement moulding within an aluminium housing, which mounts on to a chassis to utilise the heat sink effect, all with a temperature range from -15°C up to +105°C.

  • Metal clad thick film resistor
  • Resistance range available between 1kΩ and 2MΩ
  • TCR of ±200 ppm/°C 
  • Tolerance values available ±1%, ±2%, ±5% and ±10%
  • Power rating of 15W on a heat sink or 5W in free air
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -15°C and +105°C
  • High stability at conventional power ratings
  • Short time overload of 2 x power rating for 5 seconds

The below table gives the specifications available for the FRH series including the FRH 25C resistors:

RARA FRH 25C Specifications

*30W on heat sink (178x127x51x1mm), 50W on heat sink (305x305x2mm)

*Option of ±20 ppm/°C is available upon request, please contact us for further details

£0.00 Ex Tax: £0.00

RARA FRH 50C Series

The FRH 50C metal clad thick film resistor series from RARA offers a power rating of up to 25W on a heat sink and 8W in free air with available resistance values between 1kΩ and 2MΩ (non-inductive design). These high power resistors are available with tolerances of ±1%, ±2%, ±5% and ±10.0%. The FRH 50C series from RARA has a cement moulding within an aluminium housing which mounts on to a chassis to utilise the heat sink effect, all with a temperature range from -15°C up to +105°C 

  • Metal clad thick film resistor
  • Resistance range available between 1kΩ and 2MΩ
  • TCR of ±200 ppm/°C 
  • Tolerance values available ±1%, ±2%, ±5% and ±10%
  • Power rating of 25W on a heat sink or 8W in free air
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -15°C and +105°C
  • High stability at conventional power ratings
  • Short time overload of 2 x power rating for 5 seconds

The below table gives the specifications available for the FRH series including the FRH 50C resistors:

RARA FRH 50C Specifications

*30W on heat sink (178x127x51x1mm), 50W on heat sink (305x305x2mm)

*Option of ±20 ppm/°C is available upon request, please contact us for further details

£0.00 Ex Tax: £0.00

RARA IRB120 Series

The IRB120 metal clad wire wound economy resistor series from RARA offers a power rating of up to 120W with available resistance values between 0.1Ω and 1.3kΩ (inductive design) or between 0.1Ω and 300Ω (non-inductive design). These high power resistors are available with tolerances of ±2.0%, ±3.0%, ±5.0% and ±10.0% other options available including inductive or non-inductive resistive windings. The IRB120 series from RARA come in a durable metal case with flying leads and offers a temperature range from -55°C up to +200°C

  • Metal clad wire wound economy resistor
  • Inductive resistance range available between 0.1Ω and 1.3kΩ
  • Non-inductive resistance range available between 0.1Ω and 300Ω
  • Flying lead terminals
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±2.0%, ±3.0%, ±5.0% and ±10.0%
  • Power rating of 120W
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C
  • Short time overload of 10 x power rating for 5 seconds

The below table gives the specifications available for the IRB series including the IRB120 resistors:

RARA IRB120 Specifications

£0.00 Ex Tax: £0.00

RARA IRB60 Series

The IRB60 metal clad wire wound economy resistor series from RARA offers a power rating of up to 60W with available resistance values between 0.1Ω and 270Ω (inductive design) or between 0.1Ω and 56Ω (non-inductive design). These high power resistors are available with tolerances of ±2.0%, ±3.0%, ±5.0% and ±10.0% other options available including inductive or non-inductive resistive windings. The IRB60 series from RARA come in a durable metal case with flying leads and offers a temperature range from -55°C up to +200°C

  • Metal clad wire wound economy resistor
  • Inductive resistance range available between 0.1Ω and 270Ω
  • Non-inductive resistance range available between 0.1Ω and 56Ω
  • Flying lead terminals
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±2.0%, ±3.0%, ±5.0% and ±10.0%
  • Power rating of 60W
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C
  • Short time overload of 5 x power rating for 5 seconds

The below table gives the specifications available for the IRB series including the IRB60 resistors:

RARA IRB60 Specifications

£0.00 Ex Tax: £0.00

RARA IRB80 Series

The IRB80 metal clad wire wound economy resistor series from RARA offers a power rating of up to 80W with available resistance values between 0.1Ω and 910Ω (inductive design) or between 0.1Ω and 110Ω (non-inductive design). These high power resistors are available with tolerances of ±2.0%, ±3.0%, ±5.0% and ±10.0% other options available including inductive or non-inductive resistive windings. The IRB80 series from RARA come in a durable metal case with flying leads and offers a temperature range from -55°C up to +200°C

  • Metal clad wire wound economy resistor
  • Inductive resistance range available between 0.1Ω and 910Ω
  • Non-inductive resistance range available between 0.1Ω and 110Ω
  • Flying lead terminals
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±2.0%, ±3.0%, ±5.0% and ±10.0%
  • Power rating of 80W
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C
  • Short time overload of 10 x power rating for 5 seconds

The below table gives the specifications available for the IRB series including the IRB80 resistors:

RARA IRB80 Specifications

£0.00 Ex Tax: £0.00

RARA IRF100 Series

The IRF100 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 100W on a heat sink and available resistance values between 1Ω and 1.1kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF100 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 1.1kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 100W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF100 resistors:

RARA IRF100 Specifications

£0.00 Ex Tax: £0.00

RARA IRF150 Series

The IRF150 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 150W on a heat sink and available resistance values between 1Ω and 1.75kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF150 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 1.75kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 150W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF150 resistors:

RARA IRF100 Specifications

£0.00 Ex Tax: £0.00

RARA IRF200 Series

The IRF200 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 200W on a heat sink and available resistance values between 1Ω and 2.2kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF200 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 2.2kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 200W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF200 resistors:

RARA IRF200 Specifications

£0.00 Ex Tax: £0.00

RARA IRF250 Series

The IRF250 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 250W on a heat sink and available resistance values between 1Ω and 2.79kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF250 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 2.79kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 250W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF250 resistors:

RARA IRF250 Specifications

£0.00 Ex Tax: £0.00

RARA IRF300 Series

The IRF300 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 300W on a heat sink and available resistance values between 1Ω and 3.5kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF300 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 3.5kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 300W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF300 resistors:

RARA IRF300 Specifications

£0.00 Ex Tax: £0.00

RARA IRF400 Series

The IRF400 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 400W on a heat sink and available resistance values between 1Ω and 4.45kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF400 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 4.45kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 400W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF400 resistors:

RARA IRF400 Specifications

£0.00 Ex Tax: £0.00

RARA IRF500 Series

The IRF500 flat type metal clad wire wound resistor series from RARA, offers a power rating of up to 500W on a heat sink and available resistance values between 1Ω and 5.78kΩ. These high power and low inductance resistors are designed for industrial and other applications where space is at a premium, the flat design also allows for excellent heat dissipation. The IRF500 series from RARA offers an extruded aluminium housing which provides strong and rugged protection, with options of cement or silicone filling materials as well as tolerances as low as ±0.5%. This resistor series offers a temperature range from -55°C up to +200°C (cement filling material).

  • Flat space saving metal clad wire wound resistor
  • Cement (standard) or silicone filling material with an extruded aluminium housing
  • 300mm flying leads 
  • Resistance ranges available between 1Ω and 5.78kΩ
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 500W (on a heat sink)
  • Insulation resistance of 20MΩ minimum
  • Temperature range between -55°C and +200°C (cement) or -55°C and +150°C (silicone)
  • Short time overload of 5 x power rating for 5 seconds

Typical applications for the IRF series include:

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

The below table gives the specifications available for the IRF series including the IRF500 resistors:

RARA IRF500 Specifications

£0.00 Ex Tax: £0.00

RARA IRH100 Series

The IRH100 metal clad wire wound resistor series from RARA offers a power rating of up to 100W on a heat sink (80W in free air) with available resistance values between 0.1Ω and 1.1kΩ (inductive design) or between 0.1Ω and 240Ω (non-inductive design). These high power resistors are available with tolerances of ±0.5%, ±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 IRH100 series from RARA has an extruded aluminium horizontal housing providing strong and rugged protection all with a temperature range from -55°C up to +200°C

  • Metal clad wire wound resistor
  • Inductive resistance range available between 0.1Ω and 1.1kΩ (flying leads or tab terminals)
  • Non-inductive resistance range available between 0.1Ω and 240Ω (flying leads or tab terminals)
  • Option of flying leads (tab terminals are standard)
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 100W on a heat sink (80W 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 IRH series include:

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

The below table gives the specifications available for the IRH series including the IRH100 resistors:

RARA IRH100 Specifications

The dielectric withstanding voltage options available are AC1500V, 3500V, 4500V and 5400V for 1 minute and also available in extended ohmic ranges from 0.001Ω up to 750kΩ. Please contact us for further details.

£0.00 Ex Tax: £0.00

RARA IRH120 Series

The IRH120 metal clad wire wound resistor series from RARA offers a power rating of up to 120W on a heat sink (96W in free air) with available resistance values between 0.1Ω and 1.3kΩ (inductive design) or between 0.1Ω and 300Ω (non-inductive design). These high power resistors are available with tolerances of ±0.5%, ±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 IRH120 series from RARA has an extruded aluminium horizontal housing providing strong and rugged protection all with a temperature range from -55°C up to +200°C

  • Metal clad wire wound resistor
  • Inductive resistance range available between 0.1Ω and 1.3kΩ (flying leads or tab terminals)
  • Non-inductive resistance range available between 0.1Ω and 300Ω (flying leads or tab terminals)
  • Option of flying leads (tab terminals are standard)
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 120W on a heat sink (96W 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 IRH series include:

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

The below table gives the specifications available for the IRH series including the IRH120 resistors:

RARA IRH120 Specifications

The dielectric withstanding voltage options available are AC1500V, 3500V, 4500V and 5400V for 1 minute and also available in extended ohmic ranges from 0.001Ω up to 750kΩ. Please contact us for further details.

£0.00 Ex Tax: £0.00

RARA IRH150 Series

The IRH120 metal clad wire wound resistor series from RARA offers a power rating of up to 150W on a heat sink (120W in free air) with available resistance values between 0.1Ω and 1.6kΩ (inductive design) or between 0.1Ω and 390Ω (non-inductive design). These high power resistors are available with tolerances of ±0.5%, ±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 IRH150 series from RARA has an extruded aluminium horizontal housing providing strong and rugged protection all with a temperature range from -55°C up to +200°C

  • Metal clad wire wound resistor
  • Inductive resistance range available between 0.1Ω and 1.6kΩ (flying leads or tab terminals)
  • Non-inductive resistance range available between 0.1Ω and 390Ω (flying leads or tab terminals)
  • Option of flying leads (tab terminals are standard)
  • TCR of +260 ppm/°C maximum
  • Tolerance values available of ±0.5%, ±1.0%, ±2.0%, ±5.0% and ±10.0%
  • Power rating of 150W on a heat sink (120W 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 IRH series include:

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

The below table gives the specifications available for the IRH series including the IRH150 resistors:

RARA IRH150 Specifications

The dielectric withstanding voltage options available are AC1500V, 3500V, 4500V and 5400V for 1 minute and also available in extended ohmic ranges from 0.001Ω up to 750kΩ. Please contact us for further details.

£0.00 Ex Tax: £0.00