Etherbus® AC to 48 VDC Power Supplies

Etherbus® EB-PS-AC48-### Industrial Power Supplies Click for images of all models
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	Product Highlights:
	48 VDC output up to 120 Watts AC input up to 264 VAC at 50/60 Hz (DC input up to 370 VDC) Fully protected from short-circuit, over-load, over-voltage and over-temperature conditions DIN rail mounting standard Ideal supplies for PoE (Etherbus) systems

Overview:

The EB-PS-AC48-75 and -120 industrial power supplies are designed to meet or exceed the requirements of the industrial devices that they power. They are ideal for any industrial application where consistent performance and long-term reliability are a must.

Features:

Advanced Hardware Features

Isolated and regulated 48 VDC output Universal AC input Compact size – fits in small enclosures High power to size ratio - up to 120W Fully protected from short-circuit, over-load, over-voltage and over-temperature conditions DIN rail mounting (no extra kits required) Ideal for Etherbus (PoE) or 48 VDC systems

True Industrial Design for Long-term Reliability

Industrial -20 to +70°C operating range UL / CSA (CUL), TUV, CB and CE rated Hazardous locations rated for Class I, Div. 2 (Zone 2) areas

Specifications:

Datasheet

General

Operation VAC to VDC power supply Models EB-PS-AC48-75 or -120

Power Input

AC voltage range	-75: 85 – 264 VAC ; -120: 88 – 132, 176 – 264 VAC
DC voltage range	-75: 120 – 370 VDC ; -120: 248 – 370 VDC
Frequency range	47 – 63 Hz
Efficiency (typ.)	-75: 81% ; -120: 85%
Current (typ.)	-75: 1.6 Amps @ 115 VAC, 0.96 Amp @ 230 VAC -120: 2.6 Amps @ 115 VAC, 1.6 Amps @ 230 VAC
Inrush current	Cold start 20 Amps @ 115 VAC, 40 Amps @ 230 VAC
Leakage current	-75: <1 mA @ 240 VAC; -120: <3.5 mA @ 240 VAC

Power Output

DC voltage	48 VDC
Rated current	-75: 1.6 Amps; -120: 2.5 Amps
Current range	-75: 0 – 1.6 Amps;-120: 0 – 2.5 Amps
Rated power	-75: 76.8 Watts; -120: 120 Watts
Ripple / noise (max.)	-75: 240 mV p-p; -120: 100 mV p-p
Voltage adjust	48 – 53 VDC
Voltage tolerance	+/- 1%
Line regulation	+/- 0.5%
Load regulation	+/- 1%
Setup & rise time	-75: 1000 mS & 60 mS @ 230V; -120: 500 mS & 70 mS @ 230V
Hold time (typ.)	-75: 12/60 mS @ 115/230 VAC; -120: 32/36 mS @ 115/230 VAC

Protection

Over-load	105 – 150% rated output, current limiting with automatic recovery
Over-voltage	58 – 65 VDC Shut down output, cycle power to recover
Over-temperature	90°C, shut down output with automatic recovery

Environmental

Withstand voltage	Input to Output: 3KVAC; Input to GND: 1.5KVAC; Output to GND: 0.5KVAC
Isolation resistance	100M Ohms @ 500 VDC
Operating Temperature	-20 to +70°C (derate output 3% per °C above 50°C)
Storage Temperature	-40 to 85°C @ 10 to 95% RH
Temp. coefficient	+/-0.03% per °C
Humidity	20 to 90% RH (non-condensing)
Vibration, Shock and Freefall	10 - 500 Hz; 2G 10 min per cycle; 60m period each along X,Y, Z axes

Standards and Certifications

More Info on Certifications

Electrical Safety	UL508 / CSA C22.2/14 per CUL, TUV EN60950-1 ... More info
Hazardous Location	UL1604 / CSA22.2/213 per CUL, Class I, Div. 2 (Zone 2), Groups A, B, C, D ... More info
EMC	FCC part 15, ICES-003, EN55011, EN55022 (CISPR22) Class B; EN61000-4-2, 3, 4, 5, 6, 8, 11; ENV5024; EN50024; EN61000-6-2 (50082-2); heavy industry level, criteria A
Harmonic current	EN61000-3-2, EN61000-3-3
MTBF	-75: 123,000 hours per MIL-HDBK-217 @ 25°C; -120: 137,000 hours per MIL-HDBK-217 @ 25°C
RoHS and WEEE	RoHS (Pb free) and WEEE compliant ... More info
ISO9001:2000	Certified "Total Quality" company ... More info
Industrial Warranty	3 years with product registration ... More Info

Mechanical

Click here for AutoCAD and Visio Drawings

Material	Aluminum and steel with zinc coating
Protection	IP20 protection
Mounting	DIN rail (35 mm)
Dimensions - 75W	-75: 2.2" x 4.9" x 3.9" (5.6 cm x 12.5 cm x 9.9 cm); -120: 2.6" x 4.9" x 3.9" (6.6 cm x 12.5 cm x 9.9 cm) ... See diagram
Weight	-75: 1.3 pounds (0.60 kg); -120: 1.7 pounds (0.79 kg)

Ordering Guide:   Part Number Description EB-PS-AC48-75 AC to 48 VDC power supply; 75 Watts (1.5 Amps) EB-PS-AC48-120 AC to 48 VDC power supply; 120 Watts (2.5 Amps)  Models Available:       EB-PS-AC48-75 75 Watt Power Supply Click for larger image EB-PS-AC48-120 120 Watt Power Supply Click for larger image      Related Products:     Etherbus 5-port PoE Unmanaged Switch Etherbus Industrial PoE Splitter Etherbus Industrial PoE Injector Etherbus Kevlar Super Cable Etherbus IP67 Connectors Etherbus DC/DC Converter  Mechanical Diagram: Click here for all AutoCAD and Visio Drawings  Click on image to enlarge Download AutoCAD Drawings: -75: AutoCAD 2004 LT ".dwg" file or AutoCAD R12/LT2 ".dxf" file -120: AutoCAD 2004 LT ".dwg" file or AutoCAD R12/LT2 ".dxf" file Back to Top