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We’re Exhibiting at Space Tech Europe 2025

Space Tech Expo Europe, 18-20th November 2025, Bremen, Germany, Stand G56

UL

Underwriters Laboratories® Inc. (UL) is an independent product safety certification organization Based in Northbrook, Illinois.

UL develops standards and test procedures for products, materials, components, assemblies, tools and equipment, chiefly dealing with product safety.

UL does not “approve” products. Rather it evaluates products, components, materials and systems for compliance to specific requirements, and permits acceptable products to carry a UL certification mark, as long as they remain compliant with the standards.

RARA ULM2400

Metal clad wire wound resistor
Resistance options from 0.6Ω up to 144Ω
Power rating of up to 720W (on heatsink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRM

RARA ULM2800

Metal clad wire wound resistor
Resistance options from 0.7Ω up to 135Ω
Power rating of up to 750W (on heatsink)
Tolerance options between ±1% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRM

RARA ULN50C

Narrow and Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 420Ω
Power rating of 50W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRN Series

RARA ULN100C

Narrow and Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.1kΩ
Power rating of 100W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRN Series

RARA ULN150C

Narrow and Flat type metal clad wire wound resistor
Resistance options from 1Ω up to 1.75kΩ
Power rating of 150W (on a heat sink)
Tolerance options between ±0.5% and ±10.0%
TCR of +260 ppm/°C maximum
For Non UL Approval see the IRN Series

RARA ULV60

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 vertical housing
UL approved
Short time overload of 5 x power rating is 5 seconds

RARA ULV80

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV100

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV120

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV150

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV200

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV300

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV400

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV500

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 vertical housing
UL approved
Short time overload of 10 x power rating is 5 seconds

RARA ULV600

Metal clad wire wound resistor
Rated power 600W(Heatsink) / 330W (In air)
UL approved
Inductive or non-inductive design
Insulation resistance of 20MΩ minimum
Temperature range of -55°C up to +200°C
Option of flying leads, parallel or series connections

RARA ULV800

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
UL approved
Cement moulding with an extruded aluminium housing
Short time overload of 10 x power rating is 5 seconds