CoolLED CLK33 Switchable Uni Up to 33W Designed and manufactured in the UK CLK Switchable Uni Integral ‘B’ type 350/700mA, 500/1000mA & 700/1000mA CoolLED drivers provide a high performance solution for powering high-brightness LEDs from a mains supply. The power factor corrected, class II driver has fully isolated, SELV/Class2 output delivering up to 33W of power. CoolLED Kompact Switchable Drivers have all the features of the CoolLED range with the added benefit of a reduced footprint. An added feature is that the driver is controlled by a switch, accessible during installation, that allows users to select between full and half rated output current. All CoolLED Drivers have a high efficiency design, which ensures cool operation and long life. The compact enclosure is available in Integral (B) and Remote Mount (C) versions. Remote types feature cable clamps. CoolLED Drivers are open and short-circuit protected and have self resetting over temperature trip. • Power factor corrected (0.98) • Made in the UK • Constant current output • Integral and remote versions • Switchable between 350/700mA, or 500/1000mA • Cable clamps for fast assembly (C style) • SELV/Class 2 isolation 97 • Up to 87% efficient 141 • Universal input voltage 120V to 277V 88 43 88 30 Consult the sales office for versions where the current level can be set by external switch or presence detector. These drivers include a “soft dim” feature to avoid sudden steps in LED brightness. Integral ‘B’ type 34 • Self resetting thermal trip • Double insulated (Class II) • Surge protection up to 4kV Analog 0-10V dimmable and low power versions in development. 30 CoolLED CoolLED Efficient Innovative Control 43 Wiring Diagram 100-277V LIVE NEUTRAL CoolLED LEDs + _ Switch between high/low current Remote ‘C’ type 34 All Dimmensions in mm www.HarvardEng.com Harvard Engineering Ltd 9171 Towne Centre Drive, Suite 330 San Diego CA 92122 USA Tel: (001) 858-882-3844 Fax: (001) 858-408-3835 Data Sheet No.CLK S UNI V4FH UK Headquarters Harvard Engineering Ltd Tyler Close Normanton Wakefield WF6 1RL CoolLED CLK33 Switchable Uni Upto 33W Designed and manufactured in the UK Technical Specification CLK33-1000S-UNIB/C CLK33-700S-UNIB/C Parameter / Model Mains input voltage range CLK33-1000S2-UNIB/C 120 to 277V ac rms Mains frequency 47 to 63Hz Power factor at full load >0.95 (0.98 typical) Efficiency at full load 87% typical Mains surge protection 4kV common-mode 2kV differential Input-output isolation 3.75kV ac rms Ambient temperature range -25°C to 50°C Maximum Tc temperature 80°C Humidity 95% max non-condensing Thermal trip 110°C self resetting Maximum output power 33W 350mA & 700mA Output current (switchable) LED string voltage 500mA & 1000mA 700mA & 1000mA + 5% + 5% + 5% 9V to 48V 9V to 48V(33V at 1000mA) 9V to 48 (33V at 1000mA) Output current accuracy White polycarbonate UL94-V0 rated Enclosure See diagrams for B and C types Dimensions Rising clamp 5mm pitch Terminal blocks 10V output = 22% 48V output = 7.5% Current ripple 10V output = 38% 33V output = 14.5% Wire size 12-24 AWG / 0.5 to 1.5mm2 Weight B - 110g / C - 127g Compliance standards UL8750 UL1310 FCC Performance Graphs CoolLED Driver Efficiency Characteristic at 230V Input CoolLED Driver Power Factor Characteristic at 230V Input 90% 1.00 85% Driver Power Factor Driver Efficiency CoolLED CoolLED Efficient Innovative Control 80% 1000mA 75% 700mA 500mA 70% 350mA 65% 0W 5W 10W 15W 20W 25W 30W 35W Driver Output Power 0.95 0.90 0.85 0.80 1000mA 0.75 700mA 0.70 500mA 0.65 350mA 0.60 0W 5W 10W 15W 20W 25W 30W Driver Output Power NB. Low power driver available at 350mA & 700mA to improve efficiency for output loading of 10W and below. www.HarvardEng.com Harvard Engineering Ltd 9171 Towne Centre Drive, Suite 330 San Diego CA 92122 USA Tel: (001) 858-882-3844 Fax: (001) 858-408-3835 Data Sheet No.CLK S UNI V4FH UK Headquarters Harvard Engineering Ltd Tyler Close Normanton Wakefield WF6 1RL 35W
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