Gefran CRL Ltd. - PRODUCT NEWS


They monitor the load for you. Gefran presents a new family of solid-state, single phase, zero crossing relays: The New GD and GTD series with integrated diagnostics. This new family was developed for industrial and process automation applications that require continuous power control monitoring such as process heaters. The GD series is the "standard alone" solid-state relays. The GTD includes an aluminum heatsink. Control input is logic type (Vdc). SELECTIVE DIAGNOSTICS, NO ACCESSORIES REQUIRED All models are equipped with an alarm for interrupted load (RPC function). The current is measured by a specific amperometric circuit built into the device, with selectable ranges of 5, 10, 25 and 40A. Within the selected range, the limit can be set at 10 different levels, bearing in mind the total load and possible splits (more resistances or groups of resistances). INTEGRATED PROTECTION The GD /GTD relays are equipped with an internal MOV for circuit protection. Protection against connection overtemperature and an alarm for short circuit of the static unit may be added as optional extras. REMOTE SIGNALING All models have a static output for remote signaling of an error status, including RPC functions/thermal connection alarm/unit short circuit alarm. The relay's status is displayed by means of dual color led (command/alarm). __________________________________________________ For more information, please contact :- Gefran CRL Ltd Unit B10, Hortonwood 10, Telford, Shropshire TF1 7ES. UK Tel: +44(0) 1952 604555 Fax: +44(0) 1952 677455 Email: sales@gefran.co.uk Website: www.gefran.com May 2005
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