High Power Resistors From Isotek: BR Series

 High Power Resistors From Isotek: BR SeriesHigh power resistors from Isotek are ideal for soft-start motor circuits and applications where high power and compact size are required. In addition to their small footprint, one of the main advantages of the BR series is their power dissipation capacity. For example, the BRQ dissipates up to 7W/cm².

Isotek's high power resistors are housed in an injection-molded casing and are ONLY 1.42 cm tall. Depending on power rating, resistors can provide pulse power loads up to 1kW, 2kW, or 3kW. Each resistor contains a 2 mm think copper-plated heat sink.

The BR series high powered resistors are available in standard Silicone insulated lead wires or copper terminal pins. These high power resistors require ONLY a single screw for mounting.

Isotek offers several standard resistance values. Many more values are available as the list of standard values is expected to expand. Please call 1-800-569-6467 to obtain more information.

Dynamic Braking 400 W to 3000 W

The IRP series of resistor assemblies are designed to handle power of up to 3,000 watts in free air. These packages are comprised of multiple resistors assembled into a rugged protective case. The base is made using zinc plated steel. The ventilated cover is made with powder-coated steel and is baked for durability.

Dynamic Braking 80 W to 400 W

The RA series of resistor assemblies are designed for use in power inverters and motor drives. These assemblies are based on our standard metal clad resistor technology. The resistors are enclosed in a powder coated steel case, which conforms to international safety specifications.

Dynamic Braking 60 W to 500 W (UL® Recognized)

The ULV (V=vertical) & ULH (H=horizontal) models are UL® recognized metal-clad, high power resistors designed for industrial drives and other applications. The rugged extruded aluminum housing provides electrical isolation and simple two-screw mounting. These models are available with flying leads or tab terminals and can be ordered with inductive or non-inductive windings. Packages 200W and larger are also available with internally mounted, UL listed thermal protection circuits.

Dynamic Braking 50 W to 500 W (UL® Recognized)

The ULN and ULF models are wire-wound, high-power, metal-clad low inductance resistors designed for industrial and other applications where space is at a premium and performance is a must. The extruded aluminum housing provides rugged and strong protection while the flat design allows for excellent heat dissipation. These models are supplied with flying leads. The most common applications for these models are motordrives, dynamic braking, snubber circuits and power sources for industrial equipment. Both models are recognized UL508 components.

Since 1989, ISOTEK has been building a solid reputation for quality power resistors and personal service. Backed by more than 25 years of sales experience and an expanded line, ISOTEK is now able to offer a wider range of solutions with cost-effective precision products.

High Power Resistors From Isotek: BR Series

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