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CT10.481
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Catalog excerpts

CT10.481 - 1

CT10.481 48V, 5A, THREE PHASE INPUT POWER SUPPLY 3AC 380-480V Wide-range Input 2 or 3-Phase Operation Possible Width only 62mm Efficiency up to 92.9% Excellent Partial Load Efficiency 20% Output Power Reserves Easy fuse tripping Due to High Overload Current Input -Transient Blanking Circuit Included Minimal Inrush Current Surge Three Input Fuses Included Current Sharing Feature for Parallel Use Full Power Between -25°C and +60°C 3 Year Warranty GENERAL DESCRIPTION SHORT-FORM DATA The Dimension C-Series are cost optimized power supplies without compromising quality, reliability and performance. The C-Series is part of the DIMENSION power supply family. The most outstanding features of CT10.481 are the high efficiency, electronic inrush current limitation, active input transient filter and wide operational temperature range. Output voltage Adjustment range Output current The C-Series includes all the essential basic functions. The devices have a power reserve of 20% included, which may even be used continuously at temperatures up to +45°C. Additionally, the CT10.481 can deliver 3 times the nominal output current for 10ms which helps to trip fuses on faulty output branches. ORDER NUMBERS DC 48V 48-56V 5 – 4.3A 6 – 5.2A Output power 240W 288W Output ripple < 100mVpp Input voltage AC 380-480V Mains frequency 50-60Hz AC Input current 0.7 / 0.6A Power factor 0.53 / 0.52 AC Inrush current typ. 4A peak Efficiency 92.8 / 92.9% Losses 18.6 / 18.3W Temperature range -25°C to +70°C Derating 6W/°C Hold-up time typ. 34 / 54ms Dimensions 62x124x117mm Power Supply Wall mount bracket Side mount bracket Decoupling module Buffer unit Jan. 2010 / Rev. 1.1 DS-CT10.481-EN All parameters are specified at 48V, 5A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com Phone +49 89 9278 0

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CT10.481 - 2

CT10.481 48V, 5A, THREE PHASE INPUT The information presented in this document is believed to be accurate and reliable and may change without notice. PE is the abbreviation for Protective Earth and has the same meaning as the symbol Earth, Ground This document uses the term “earth” which is the same as the U.S. term “ground”. To be defined, value or description will follow later. A figure displayed with the AC or DC before the value represents a nominal voltage with standard tolerances (usually ±15%) included. E.g.: DC 12V describes a 12V battery disregarding whether it is full (13.7V) or...

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CT10.481 - 3

CT10.481 48V, 5A, THREE PHASE INPUT 1. INTENDED USE This device is designed for installation in an enclosure and is intended for the general use such as in industrial control, office, communication, and instrumentation equipment. Do not use this power supply in aircrafts, trains and nuclear equipment where malfunction may cause severe personal injury or threaten human life. This device is designed for use in non-hazardous, ordinary or unclassified locations. Do not use in hazardous location areas. 2. INSTALLATION REQUIREMENTS This device may only be installed and put into operation by...

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CT10.481 - 4

CT10.481 48V, 5A, THREE PHASE INPUT Allowed Voltage Phase to Earth Input frequency Turn-on voltage Shut-down voltage Input current Power factor *) Start-up delay Rise time Turn-on overshoot at 48V, 5A, symmetrical phase voltage, see Fig. 3-3 at 48V, 5A, see Fig. 3-4 see Fig. 3-2 0mF, 48V, 5A, see Fig. 3-2 5mF, 48V, 5A, see Fig. 3-2 see Fig. 3-2 The power factor is the ratio of the true (or real) power to the apparent power in an AC circuit. Fig. 3-1 Input voltage range Rated input range Input Voltage Fig. 3-2 Turn-on behavior, definitions Output Voltage Rise Time Fig. 3-3 Input current vs....

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CT10.481 - 5

CT10.481 48V, 5A, THREE PHASE INPUT 4. DC-INPUT DC input DC input range Allowed Voltage Line to Earth DC input current Turn-on voltage Shut-down voltage Instructions for DC use: a) Use a battery or similar DC source. For other sources contact PULS b) Connect +pole to L1 and –pole to L2. c) Terminal L3 remains unused, terminal screw of L3 must be securely tightened. d) Use appropriate external fuses in the + and – lines which are suitable for the DC-voltage. e) Connect the PE terminal to a earth wire or to the machine ground. f) DC-operation is not included in the UL approval. Additional...

Open the catalog to page 5
CT10.481 - 6

CT10.481 48V, 5A, THREE PHASE INPUT 6. OUTPUT Output voltage Adjustment range Factory setting Line regulation Load regulation Ripple and noise voltage Output capacitance Output current Output power Short-circuit current Fig. 6-1 Output voltage vs. output current, typ. Fig. 6-2 Output voltage in “parallel use” mode, typ. Adjustment Range at 48V, ambient < 45°C, see Fig. 6-1 at 48V, ambient < 60°C, see Fig. 6-1 at 56V, ambient < 45°C, see Fig. 6-1 at 56V, ambient < 60°C, see Fig. 6-1 ambient < 45°C ambient < 60°C continuous, load impedance 200mOhm, see Fig. 6-1 continuous, load impedance...

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CT10.481 - 7

CT10.481 48V, 5A, THREE PHASE INPUT 7. HOLD-UP TIME Hold-up Time Fig. 7-1 Hold-up time vs. input voltage . typ A, 2.5 n. mi A, 2.5 Fig. 7-2 Shut-down behavior, definitions L1 L2 L3 Input Voltage Output Voltage Input Voltage Jan. 2010 / Rev. 1.1 DS-CT10.481-EN All parameters are specified at 48V, 5A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted. www.pulspower.com Phone +49 89 9278 0

Open the catalog to page 7
CT10.481 - 8

CT10.481 48V, 5A, THREE PHASE INPUT 8. EFFICIENCY AND POWER LOSSES Efficiency Average efficiency *) Power losses at 48V, 5A, 3-phase operation at 48V, 5A, when using only two legs of a 3phase system, see also chapter 23.6. 25% at 1.25A, 25% at 2.5A, 25% at 3.75A. 25% at 5A, 3-phase operation at 0A, 3-phase operation at 48V, 5A, 3-phase operation at 48V, 6A, 3-phase operation The average efficiency is an assumption for a typical application where the power supply is loaded with 25% of the nominal load for 25% of the time, 50% of the nominal load for another 25% of the time, 75% of the...

Open the catalog to page 8
CT10.481 - 9

CT10.481 48V, 5A, THREE PHASE INPUT 9. FUNCTIONAL DIAGRAM Fig. 9-1 Functional diagram DC-ok LED Input Fuses Input Filter Inrush Limiter Input Rectifier Power Converter Output Filter Transient Filter Temperature Shutdown Output Power Manager Output OverVoltage Protection Output Voltage Regulator + + VOUT Single / Parallel 10. FRONT SIDE AND USER ELEMENTS Fig. 10-1 Front side Output Terminals Screw terminals, dual terminals per pole + Positive output - Negative (return) output Input Terminals Screw terminals L1, L2, L3 Phase input PE (Protective Earth) input Output voltage potentiometer Open...

Open the catalog to page 9

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