23 April 2003Power Electronics / Power Management
Access Control & Identity Management
Power specialist, XP, has released the THD series of compact AC-DC DIN-rail 60 W and 120 W power supplies that measure 100 x 45 x 75 mm and 100 x 85 x 75 mm respectively. These compact plastic-cased units offer a 35% reduction in size compared to current models whilst cutting cost by 20%, according to the company. With worldwide safety approvals and an MTBF of >450 000 hours, they are ideally suited for applications in process control, automation and instrumentation.
The THD series offer a 6-cycle hold up time, so in the event of a power outage, the unit maintains full power output for 125 ms at 230 V a.c., a useful feature when used in harsh industrial environments. The power supplies have wide output adjustment range including a battery charging option covering 12-15 V d.c., 24-28 V d.c. and 48-56 V d.c. models. The units can therefore be adjusted to the appropriate voltage and used as a low cost battery charger for DC standby systems.
The THD has a 'power good' signal for remote monitoring and 'DC-OK' LED for visual identification. Two connection methods are available, a cage clamp for quick installation and removal and screw terminals for secure and rugged positioning.
The product meets international safety standards including: UL508, standard for industrial control equipment; UL50178, electronic equipment for use in power installations; EN60204, safety of machinery- electrical equipment of machines, and EN61558-2-8, safety of power transformers, power supply units and similar.
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