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78 Series

Type 78.1D - Switch mode power supply

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Function and features:

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