Switch mode power supply 78.50.1.230.1203

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Model: 026.001.004

Manufacturer: Finder (Italy)

Switch mode power supply 78.50.1.230.1203
• Output voltage 12VDC
• Rated power 50W
• Screw terminals
• Compliant to EN 60950-1 and EN 61204-3
• DIN rail mount (EN 60715)

☎ Price by call

Features

Thermal protection: internal, with V_out shutdown;
Short circuit protection: hiccup (auto-recovery mode);
Overload protection: fold-back mode;
Input protection: replaceable internal fuse plus spare;
Overvoltage protection: varistor;
Flyback topology;
ZVS (Zero-Voltage-Switching) - quasi-resonant mode technology;
Parallel working for automatic redundancy: with OR-IN diode.

Specification

Output characteristics
Output current (-20°C...+40°C, 230VAC input)	4.6А
Rated current I_n (50°C, full input operating range)	4.2А
Rated voltage	12V
Rated power	50W
Output power (-20°C...+40°C, 230VAC input)	55W
Peak current capability for 3 ms	12А
Output voltage adjust	12...14V
Voltage variation (from no-load to full-load)	< 1%
Voltage ripple at full load (100VAC input)	< 200mV
Hold-up time at full load	< 30ms with 100VAC input < 150ms with 260VAC input
Input characteristics
Nominal voltage U_n	110...240V АС (50/60Hz) 220V DC (not polarized)
Operating range	88...265V АС (50/60Hz) 140...370V DC
Max power absorption (at 100VAC, 50Hz)	89VA АС 58.3W DC
Stand-by power absorption	< 0,4W
Power factor	0.65
Max current absorption (at 88VAC)	0.85А
Max inrush current (peak at 265V) for 3ms	30А
Replaceable protection fuse	1.6A-T
Technical data
Efficiency (at 230VAC)	90%
Power lost to the environment	0,4W without output current 5W with rated output current
MTTF	> 400 000 h
Start-up delay	< 1s
Dielectric strength	3000VАС (class II) between input/output 1500VAC (class I) between input/PE
Ambient temperature range	-20°C...+70°C
Protection category	IP20
Max wire size	(1х4/2x2.5) mm²solid cable (1x12/2x14)AWG solid cable (1х4/2x2.5) mm²stranded cable (1x12/2x14)AWG stranded cable
Screw torque	0,8 Nm
Wire strip length	9mm

Output characteristics

Output current vs ambient temperature

Output peak current vs time

Wiring diagrams

Dimensions

Marking

78			.	12			.	1			.	230			.	12			0			0

																										Options


																										0 − standard
																										1 − replaceable fuse
																										3 − replaceable fuse+output voltage regulator
																										Variant


																										0 − standard
																										Output voltage


																										12 − 12V output
																										24 − 24V output
																										Input voltage


																										230 − 110 … 240VAC
																										Voltage conversion


																										1 − AC input, DC output
																										Power


																										12 − 12W output
																										36 − 36W output
																										50 − 50W output
																										60 − 60W output
																										Series