02/11/2015 www.crouzet.com Modular power supplies PS Part number 88950307 Switch mode power supply regulated and protected against overloads and short-circuits, easy to integrate into switchboards and enclosures The potentiometer can be used to set the output voltage between 100 and 120% (24 VDC versions) to compensate for any voltage drops on the line The LED continuously signals the presence of voltage at the output and, when flashing, triggering of the self-protection Broad range of supply voltage Double insulation Part numbers Type Nominal output voltage Nominal power Nominal output current 88950307 PS 24VDC(22,8V28,8V) 30 W 1,2 A Specifications Environmental characteristics Conformity to standards IEC/EN 60950-1 IEC/EN 61000-6-2 IEC/EN 61000-6-3 IEC/EN 61204-3 IEC/EN 60364-4-41 SELV: Safety Extra Low Voltage EN 55022 (CISPR22) Certifications CE, UL, CSA, TV Emission Harmonic: IEC / EN 61000-3-2 Operating temperature -25+55C Storage temperature (C) -40+70C Protection class Class 2 (Double insulation) Electrical characteristics Input voltage 100240VACsingle-phase (-15%/+10%) Supply frequency range 50/60Hz (+4% / -6%) or4753Hz/5763Hz Output voltage Adjustablefrom100120% Peak current on energisation < 20 A (Except for 88950302: < 90A during 1 ms) Regulation of line and load 3% Immunity from micro power cuts < 10 ms (100 V AC) < 150 ms (230 V AC) Thermal protection Yes Technology Primary switch mode electronic power supplies Short-circuit protection Yes Overload protection Yes Primary protection Fuse gG 2 A or circuit breaker 2 A curve D for 88950303, 88950304, 88950305, 88950306, 88950307 Fuse gG 3 A or circuit breaker 3 A curve D for 88950302 Reset after overload Automatic Dielectric strength Input / output 3000 VAC / 50Hz / 1mn Status indication LED at the output Mechanical characteristics Mounting On section, 35 x 7, 5 mm and 35 x 15 mm or on panel (2 x 4 mm) 2 Screw terminals connection capacity Inputconnection2x0,142,5mm (AWG 26...AWG 14) 2 Outputconnection1x0,142,5mm (AWG 26...AWG 14) Dimensions (mm) PS Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected02/11/2015 www.crouzet.com Curves Derating The ambient operating temperature of the Millenium power supplies is 55C. Above this, a derating is needed upto a maximum operating temperature of 70C. The chart below shows the power (compared to the nominal power) that can be permanently supplied by the power supply, depending on the operating temperature. o N Legend 88950302 8895030x Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected