250W Class II Open Frame Power Supply (2"x4")

TN19-0250-XX-1 Series

Class II AC-DC Open Frame Power Supply.
Universal Input Voltage Range: 90–264VAC.
Wide Operating Temperature Range: -40°C to +70°C..
Built-in Active Power Factor Correction (Active PFC) Function.
Comprehensive Protection Features: Short Circuit Protection (SCP), Over Current Protection (OCP), Over Voltage. Protection (OVP), and Over Temperature Protection (OTP).
Delivers 140W with Natural Convection Cooling and up to 250W with Forced Air Cooling.
High Efficiency AC-DC Power Supply with Efficiency up to 94.5%.
High Power Density Design with Compact Dimensions: 2" × 4" × 1.063" (Above PCB).
Compliant with IEC 62368-1 Safety Standard.
Ideal for Industrial Automation Equipment, Embedded Systems, Networking Devices, and Smart Control Systems.
Compact Open Frame Power Supply Designed for Space-Constrained Industrial Applications.

250W Class II Open Frame Power Supply_Specification

‌

Model Name		TN19-0250-12-1	TN19-0250-24-1	TN19-0250-48-1	TN19-0250-55-1
Output	Rated Power	250 W (with 13 CFM)
	Derating Power	125W@70°C (Derate linearly from 100% load at +50°C to 50% load at +70°C)
	Output Voltage	12 Vdc	24 Vdc	48 Vdc	55 Vdc
	Maximum Output Current	20.83 A	10.41 A	5.20 A	4.54 A
	Over Current Limit	105~145 %	105~145 %	105~145 %	105~145 %
	Minimum Output Current	0 A	0 A	0 A	0 A
	Ripple & Noise	≦ 1%
	Hold Up Time	≧ 10 ms
Input	Input Voltage	90~264 Vac
	Input Frequency	47~63 Hz
	No-load Power Consumption	≦ 0.15 W	≦ 0.2 W	≦ 0.3 W	≦ 0.3 W
	Power Factor	≧ 0.95
	Efficiency	0.925	0.935	0.945	0.945
	Inrush Current	≦ 45 A @115Vac ; ≦ 90 A @230Vac, 25°C
EMC	Surge	2KV (L/N-G), 1KV (L-N)
	EMI	EN55032, FCC Part 15
	ESD	IEC61000-4-2
Environmental	Operating Temperature	-40~+70 °C
	Storage Temperature	-40~+85 °C
	Operating Humidity	20~90 %RH
	Storage Humidity	5~95 %RH
	Operating Altitude	5,000 m
Others	Dimension (W x L x H)	50.8 x 101.6 x 21.4 mm (2 x 4 x 0.84 inch) *The height excludes PCB thickness
	Mean Time Between Failures	≧ 500,000 hours
	Certifications	CB, UL
	Safety Class	Class II