Series 78 Switch Mode Power Supplies

Switch Mode Power Supplies – Series 78
Reliable power supply for industry and automation
The switch mode power supplies of the Finder Series 78 provide a powerful and efficient solution for supplying industrial applications. Designed for installation in control cabinets, they ensure a stable 24 V DC supply for control systems, sensors and actuators – even under demanding conditions.
With a wide portfolio of single-phase and three-phase devices, the series covers a broad range of power requirements – from compact standard applications to energy-intensive industrial processes.

Product Overview
Single-phase power supplies
• Type 78.W1.1.230.2402 – 120 W
• Type 78.X1.1.230.2412 – 240 W
• Type 78.Y1.1.230.2412 – 480 W
Features:
• Input: 120–240 V AC
• Output: 24 V DC (adjustable)
• Compact design for DIN rail mounting
• Ideal for control and automation tasks
Two-phase power supplies
• Type 78.X2.1.440.2414 – 480 W (two-phase)
Features:
• Input: 220…480 V AC
• 10 A – 240 W
• Status output (feedback contact)
• Power Factor Correction (PFC)

Three-phase power supplies
• Type 78.Z3.440.2414 – 960 W (three-phase)
Features:
• Input: 380…480 V AC
• Status output (feedback contact)
• Parallel connection without external diode module
• Power Factor Correction (PFC)

General Features
• Higher power reserves for industrial applications
• Balanced load distribution and high grid stability
• Ideal for machinery and production systems
Technical Highlights
• High efficiency of up to 93% for energy-efficient operation
• Adjustable output voltage for flexible adaptation
• Overload, short-circuit and thermal protection for maximum safety
• Hiccup mode with automatic restart function
• Power boost capability for short-term peak loads
• Models with active PFC for improved power quality
• Robust design for continuous induustrial operation