78.12.1.230.2400

78 Series - Switch mode power supplies Features 78.12....2400 78.12....1200 78.36 Range of modular DC power supplies High efficiency (up to 91%) Low (< 0.4 W) stand-by power absorption • Thermal protection: internal, with Vout shutdown • Short circuit protection: hiccup (auto-recovery) mode • Input protection: replaceable internal fuse plus spare (78.36) • Overvoltage protection: varistor • Flyback topology • Compliant to EN 60950-1 and EN 61204-3 • Parallel working for automatic redundancy: with OR-IN diode • Dual and series connection permissible • Small dimensions: 17.5 mm (1 module) or 70 mm (4-modules) wide, 60 mm deep • 35 mm rail (EN 60715) mount • • • 24 V DC, 12 W output • 12 V DC, 12 W output • 24 V DC, 36 W output Screw terminal * ** *** **** For outline drawing see page 8 (see diagrams L78) peak to peak, 100 Hz component, with 100 V AC input 88...100 V AC with output current limited to 80 % IN (see derating diagrams P78) Output specification Output current (–20...+40°C, 230 V AC input) A 0.63 1.25 1.7 Rated current IN (50°C, full input operating range)A 0.50 1 1.5 Rated voltage V 24 12 24 Rated power W 12 12 36 Output power (–20...+40°C, 230 V AC input) W 15 15 40 Peak current capability for 3 ms * A 2 3 8 Output voltage adjust V — — — Voltage variation (from no-load to full-load) 600.000 XII-2012, www.findernet.com Start-up delay s Dielectric strength between input/output V AC Dielectric strength between input/PE Ambient temperature range **** Protection category V AC °C