Input nominal voltage: DC 48V Input voltage range: 36 to 72V Output Power: 100W Output Voltage: 24V +/-2.5% Operating Temperature: -10 to +50 deg C; condition: no forced air cooling Line & Load Regulation: +/-0.25% (we may accept 0.5%) Ripple and noise < 250mV Over voltage Protection (hiccup) 1.2 Vout Indefinite short Circuit on Output with automatics recovery Over current Protection; with 2ms forgiving time (when current can be 150% of maximum rated output). Efficiency > 85% Minimum Switching frequency 100KHz No trim. Capacitive Load: <500uF Isolation minimum 1500V General Requirements (EMI/EMC, vibration) : as per Telco industries standards. MTBF > 175000 hours Open Frame, 3 x 5 inch form factor, suitable for 1U enclosure. Input/Output connectors MTA156 type.