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News

Waterproof LED power supplies for surveillance applications

Sunpower : 09 July, 2009  (New Product)
Power units for LED lighting applications provide environmental protection in demanding environments such as CCTV surveillance systems
Waterproof LED power supplies for surveillance applications
Sunpower's CLG Series and PLN Series of power supplies offer a highly reliable choice for demanding LED lighting applications. These UL1310 Class 2 power units feature environmental protection over extended temperatures, wide input and output voltage ranges for international use, and support for most LED types and installation designs. Built-in active power factor correction and high operating efficiency minimise users' energy costs and carbon footprint.

The IP67 rated CLG Series is totally protected against dust and can survive immersion to 1m depth. Within its metal case the unit is enclosed in a silicone compound with high thermal conductivity. This ensures excellent heat redistribution, eliminates hot spots and contributes to CLG Series's -30~+70˚C operating temperature rating; additionally it provides protection from mechanical shock and vibration in mobile and other rugged applications.

The IP64 rated PLN Series is ideal for slightly less demanding applications. With a fully isolated plastic case giving total protection against dust, and resistance to sprayed water, the unit has an operating temperature range of -30~+50˚C. The reliability of both units is enhanced by free air convection cooling, without need for fans.

The units' universal 90-264VAC 50/60Hz input voltage range allows their use throughout the world; this is supported by their international certification, which in addition to UL1310 Class 2 include TUV EN60950-1 Class 2, UL879 (SAM List), CAN/CSA-C22.2 and all appropriate EN EMC approvals.

Both CLG Series and PLN Series can be operated in either Constant Current Limiting mode for simple, direct connection to LED arrays or in Constant Voltage mode using ballast resistors or driver ICs. Voltage outputs ranging from 12VDC to 48VDC can be specified to cater for all known lighting LED types.

Both units allow a cold start inrush current of up to 40A at 230VAC. Both provide overload protection with auto-recovery, over voltage and over temperature protection. The current protection level in some units is user adjustable.

With their environmental and electrical protection features, these units offer very high reliability even when operated on or near full load. They undergo 100% full load burn-in testing and have an MTBF greater than 300,000 hours.

Indoor, outdoor and mobile applications for CLG Series and PLN Series include street lighting, architectural lighting, bus stops, street signs and bus destination displays, stage and theatre lighting, bathroom showers and outside broadcast vans. The supplies' rugged, high reliability design has also taken them into demanding 'always on' applications such as CCTV surveillance in areas such as building sites, railway trackside, and station platforms.

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