PB271 Series RAILWAY CONVERTERS 1 5 0 W AT T S R A I LW AY D C / D C C O N V E R T E R FEATURES • • • • • • • • • Rugged DC/DC converter for railway applications 45-154Vdc input / 12 or 24Vdc output. High temperature operation, no cooling fan. Up 60°C ambient with full load, derate up to 90°C. Shock & vibration protection (potted). Overvoltage, short circuit, over-temperature, input transients & reverse polarity protection. Complies with EN50121-3-2: 2000 and EN50155: 1996 Output terminal, available in screw, cage clamp or phoenix terminals. Designed & manufactured in Australia. SPECIFICATIONS INPUT STANDARDS Voltage 45-154Vdc Safety Complies with AS/NZS60950:2000 Current 4.2A Isolation In/Cha 2121Vdc, 1 min. In/Out 4242Vdc, 1 min. Out/Cha 707Vdc, 1 min. EMC Electrical service conditions Complies with EN50121-3-2: 2000 Complies with EN50155: 1996 Overvoltage protection At 160Vdc, auto recovery. General Reverse voltage protection Indefinite, series blocking diode on input. MECHANICAL Chassis mount enclosure Voltage See Table Current See Table Input & output connection -S: 4 way screw T/B 20A/300V suitable for up to 4mm² wire -C: 5 way cage clamp T/B 20A/300V suitable for up to 4mm² wire -P: 4 way pluggable T/B 20A /300V suitable for up to 4mm² wire Power 150 watts. Ground Terminal M4x12 stud (C & S versions only). Ripple & noise 30mV p-p Length Line regulation Load regulation Overvoltage protection 0.5% of Vnom 3%of Vnom @ Vout =12V, 1.5% of Vnom @ Vout = 24V O/P: 130% of Vnom, manual restart required. Overcurrent protection 110% of Inom, auto recovery. Short circuit protection Over temperature protection Efficiency Indefinite, auto recovery. Auto recovery. 290mm 80mm (without heatsinks) 130mm (with heatsinks) -S: 69mm -C: 73mm -P: 51mm 1.9kgs (without heatsinks) 2.4kgs (with heatsinks) Sylgard 170, V0 rated, MIL grade thermally conductive silicon elastomer OUTPUT Height (Including terminals) Weight (unpacked) Potting 85% at full load. ENVIRONMENTAL Operating Temperature Width PB271 ORDERING INFORMATION “H”, with optional heat sink -20°C – 60°C (Full load). Derate from 60°C to zero load at 90°C. Without optional heat sink -20°C – 40°C (Full load). Derate from 40°C to zero load at 85°C. Relative Humidity 5 – 90% (non-condensing) Cooling Natural convection Doc. No. PBC9 Rev.C 28-4-11 PB271 1 _ 12 2 S 3 _ H 4 1. Series name 2. Output voltage -12 -24 3. Output connection -S (Screw terminal block) -C (Cage clamp terminal block) -P (Pluggable terminal block) 4. Optional - Heatsinks Powering Progress – www.powerbox.com.au 469 RAILWAY CONVERTERS PB271 Series 1 5 0 W AT T S D C / D C S I N G L E R A I LW AY S VARIANT, WITH HEATSINKS S VARIANT, WITH NO HEATSINKS 470 Doc. No. PBC9 Rev.C 28-4-11