New 40W and 60W Power Supplies for Intelligent LED Lighting Control

Sunpower Technology has introduced a new series of flexible constant current output LED power supplies to meet today’s demand for intelligent LED lighting control. Rated at 40W or 60W, their output current levels can be set by a built-in DIP switch. The LCM-40 and LCM-60 models have a dual dimming function, accepting either 0 – 10VDC or a PWM signal as their dimming control input. The LCM-40DA and LCM-60DA digital control versions feature a built-in DALI interface as well as a push dimming function. Both models are ideal for meeting the performance and flexibility demands of today’s intelligent digital dimming applications.

Lighting control for LED power supplies rated at 40W or 60W


The LCM models feature a 180 – 295VAC input and built-in two stage active PFC function, with a power factor exceeding 0.9 for loads over 35%. The series’ harmonic current limitations comply with EN61000-3-2 Class C above a 35% load. Their Line-Neutral surge immunity of 2kV complies with EN61000-4-5 heavy industry level and meets related lighting standards. Modern high performance circuit topology ensures that these products operate at up to 91.5% efficiency, allowing free air convection cooling in ambient temperatures from -30C to +60C. A 12V 50mA auxiliary output is however available if a fan is required.


Long LED life is assured as all models accept inputs from external NTC resistor temperature sensors, allowing temperature compensation of the output current. The series also features synchronised dimming, in which the dimming control signal from one master unit can synchronise the dimming level of up to 9 slaves for multiple lighting fixtures. Up to 20m cable length between units is permissible. Unlike conventional designs with Power In at the front and Power Out at the rear of the unit, installation of each unit is fast and easy, as input and output connections appear in line on one side of the chassis. The units themselves are housed within 23mm low-profile IP20 plastic enclosures.
The LCM series has a no Frame Ground class ll design with protection from short circuit, overvoltage and over temperature conditions. All models comply with certification per UL8750, ENEC EN61347-2-13 and EN62384 (lighting regulations). LCM-40DA and LCM-60DA also comply with IEC62386-101, 102 and 207 norms for DALI lighting control systems, says the company.


“These flexible power solutions offer a marketing opportunity to lighting installers,” said Andy Wall, CEO, Sunpower Technology. “Their cost-effective operation and dimming functionality make them an attractive choice for end users, while they’re easy to integrate with control systems and with LED installations of different sizes. They’re ideal for applications such as LED commercial lighting, office lighting and indoor LED decorative lighting.”
 

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