78 SERIES Switch mode power supplies (SMPS) 77.11.9.024.8250

Type 78.1D Switch mode power supply with 24 V DC, 130 W output. Equipped with double stage conversion with PFC (Power Factor Correction) and an adjustable output voltage between 24 and 28 V.

Features include:

• Fold-Back technology for battery charging and parallel operation to increase the load current
• High efficiency (up to 93%)
• Low consumption in stand-by (less than 1 W)
• Forward topology
• Internal thermal protection with pre-alarm via LED plus auxiliary contact and output shutdown
• Overload indication: with pre-alarm via LED plus auxiliary contact
• Current boost: without time limit, with LED indication plus auxiliary contact
• Overload protection: Fold-back mode
• Short circuit protection: Hiccup mode (automatic reset)
• Input fuse: Easily replaceable, with spare immediately to hand
• Overvoltage protection: Varistor
• Compliant with EN 60950-1 and 61204-3
• Parallel connection for higher load current (with OR diode)
• Dual polarity and serial connection possible
• 35 mm rail (EN 60715) mounting

12 W Low profile Modular DC
Power Supplies for electrical cabinets
Type 78.12….2400
– Output 24 V DC, 12 W, 0.63 A
Type 78.12….2402
– Output 24 V DC, 12 W, 0.5 A
– Modular LED driver for stripes and LED lamps,
TUV certified following IEC61347-2-13
Type 78.12….1200
– Output 12 V DC, 12 W, 1.25 A
• Designed for SELV system (EN 60950)
• 17.5 mm (1 module) x 61 mm deep
• Low (< 0.4 W) stand-by power consumption
• Thermal protection: internal, with Vout
shutdown – power OFF to reset
• Short circuit protection: Hiccup (auto-recovery)
mode
• Overvoltage protection: Varistor
• Flyback topology
• Compliant with EN 60950-1 and EN 61204-3
• Parallel working for automatic redundancy –
with OR diodes
• Dual Polarity and Series connection permissible
• 35 mm rail (EN 60715) mount