EMERSON LCT43-E Service Manual

Technical Support: (888) 41-ASTEC or [phone]

Americas: [phone] Europe (UK) 44 (1384) 842-211 Asia (HK) 852-2437-9662

90

Special Features

47 Watts

LCT43-E Series

Electrical Specs

rev 8.11.04

VDE 0805/EN60950 (IEC950) 21310-3336-0003
UL UL1950 E186249
CSA CSA 22.2-234 -950-95-M90
CB Certificate and report 6593
CE Mark (LVD)

• Totally enclosed

• Universal input

• Quick Installation

• Built-in EMI filter

• Low output ripple

• Overvoltage protection

• Overload protection

Operating temperature: 0° to 50°C ambient;
derate each output at 2.5% per degree from
50° to 70°C

Electromagnetic susceptibility: designed to meet
IEC 1000-4, -2, -3, -4, -5, -6, 8, 11 Level 3

Humidity: Operating; non-condensing
5% to 90%

Vibration: .41 G from 3 to 500 Hz
Spectral break points of .0065 G2/Hz at 10 Hz and
200 Hz and 5 db/octave roll off at each end, 2
hours per axis

Storage temperature: -40° to 85°C

Temperature coefficient: ±.04% per °C

MTBF demonstrated: >300,000 hrs @ full load and
25°C ambient conditions

Input

Input range 85-264 VAC

120-300 VDC
Frequency 47-63 Hz
Inrush current <20 A peak @ 115 VAC;

<40 A peak @ 230 VAC,

cold start @ 25°C
Input current 1 A max. (RMS) @ 115 VAC
Efficiency 70% typical at full load
EMI filter FCC Class B conducted and radiated

CISPR 22 Class B conducted and

radiated

EN55022 Class B conducted and

radiated

Bellcore GR-1089-core Class B

conducted

Safety ground leakage
current <3.5 mA @ 50/60 Hz, 264 VAC input

Output

Maximum power 47 W with 12 CFM forced air
Cross regulation ±2% on output 1;

±5% on outputs 2, 3
Hold-up time 10 ms @ 47 W load, 100 VAC input
Overload protection Short circuit protection on all

outputs.

Case overload protected @ 110-

135% above peak rating
Overvoltage protection 5.50-6.75 VDC on main output

Environmental

Safety

Total Power: 47 Watts
Input Voltage: 85-264 VAC

120-300 VDC

# of Outputs: Triple

ASIA

Units 2111-2116, Level 21

Tower1, Metroplaza

223, Hing Fong Road

Fwai Fong, New Territories

Hong Kong

Telephone: [phone]

Facsimile: 852-2402-4426

EUROPE

Astec House, Waterfront Business Park

Merry Hill, Dudley

West Midlands, DY5 1LX, UK

Telephone: [phone]

Facsimile: 44(1384) 843-355

AMERICAS

5810 Van Allen Way
Carlsbad, CA 92008

Telephone: [phone]

Facsimile: 760-930-0698

91

www.astecpower.com

Ordering Information

Model Output Minimum Maximum Load with Maximum Load with Peak Regulation2 Ripple
Number Voltage Load Convection Cooling 12 CFM Forced Air Load1 P/P (PARD)3

LCT43-E +5 V 1.0 A 4 A 7 A 8 A +4 / -2% 50 mV

+12 V 0.1 A 1 A 1.2 A 1.5 A ±5% 120 mV

-12 V 0 A 0.5 A 0.5 A 0.6 A ±5% 120 mV

1. Peak current lasting <30 seconds with a maximum 10% duty cycle.

2. At 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.

3. Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load ranges.

4. Minimum Loads are required.

Connector LCT43-E

SK1-1 AC Line
SK1-2 Ground
SK1-3 AC Neutral

SK2-1 -12 V
SK2-2 Com
SK2-3 +5 V
SK2-4 +5 V
SK2-5 Com
SK2-6 +12 V

Mating Connectors

AC Input: IEC 320

DC Outputs: Molex 15-48-0406 (USA)

Notes:

1. Specifications subject to change without notice.

2. All dimensions in inches (mm), tolerance is ±.02”.

3. Specifications are for convection rating at factory settings at 115

VAC input,

25°C unless otherwise stated.

4. Warranty: 1 year

5. Weight: 1.25 lb. / 0.57 kg

Pin Assignments

LCT43-E Series