PB169

RAILWAYS PB169/253/254 1 0 0 - 1 3 8 W AT T S R A I LW AY D C / D C C O N V E R T E R S Features • Input reverse polarity protected. • Input transient protected. • Input surge protection. • Meets IEC571, BRB12, BRB13 and BRB18 for input transients and surges Specifications INPUT Voltage PB169: 20-30Vdc. PB253: 18-50Vdc. PB254: 74-138Vdc. 30% of Vin 800V indefinitely. OPERATING Efficiency at full load Isolation (with VR1 & VR2 removed) 73%–80% Input – Output: 1000VAC Input – Ground: 1000VAC Output – Ground: 500VAC Input ripple voltage Input reverse polarity protection ENVIRONMENTAL Operating Temperature -20°C to 45°C (PB169, PB253). -10°C to 60°C (PB254). OUTPUT Output voltage PB169: 24Vdc. PB253: 24Vdc. PB254: 13.8Vdc. PB169: 4.2A. PB253: 4.2A. PB254: 10A. PB169: 100W. PB253: 100W. PB254: 138W. ±0.36Vdc (PB169/253). ±0.10Vdc (PB254). Input transient and surge protection C-Tick STANDARDS AND APPROVALS Designed to meet BRB 12, BRB 13, BRB 18 and IEC571-1. AS/NZS2064:1997 Group 1 Class A Output current MECHANICAL Connections Dimensions 6-way terminal block connector PB169: 60x111x60mm. PB253: 60x111x60mm. PB254: 60x158x205mm. Four M4 slots Output power Line & load regulation Mounting 396