The VRH320 variable wire-wound resistor available from UK-based ARCOL Resistors has a wide range of applications for voltage and current adjustment including industrial machinery RPM adjustment, instruments, automated control installations, load simulation and educational modelling.
The VRH320 has been ergonomically designed to enable simple and accurate adjustments by use of its top mounted slider. It is encapsulated in an IP20 rated lacquered metal casing which has dimensions of 446mm x 93mm x 160mm.
There are six resistance values available in this range encompassing 10Ω to 10KΩ. Key specifications of the ARCOL VRH320 include a 320VA continual loading with a 640VA overload capability for a period of 15mins. As with all ARCOL products the VRH320 is RoHS compliant.
source: http://www.powerpulse.net/story.php?storyID=31660
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