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Puls Dimension Q-Series Manual Download Page 18

 

 

QTD20.241

 

 

Q-Series 

24V,

 

20A,

 

DC

 

I

NPUT

 

 

 

20.

 

A

CCESSORIES

 

20.1.

 

ZM1.WALL

 

–

 

W

ALL

/P

ANEL MOUNTING

 

 

This bracket is used to mount the QTD20 DC/DC converter on a wall/panel without utilizing a 
DIN-Rail. 

The two aluminum brackets and the black plastic slider of the unit have to be detached, so that 
the steel brackets can be mounted. 

 

 

 

Fig. 20-1

   Wall/panel mounting 

 

Fig. 20-2

   Mounting Dimensions - Wall mounting bracket 

 

 

 

 

 

Oct. 2016 / Rev. 2.0 DS-QTD20.241-EN  
All parameters are specified at 24V, 20A, 600Vdc input, 25°C ambient and after a 5 minutes run-in time unless otherwise noted. 

www.pulspower.com   Phone +49 89 9278 0    Germany 

18/27

Summary of Contents for Dimension Q-Series

Page 1: ...is usually unfiltered and have high EMI noise so the QTD20 has a very robust input stage and an appropriate input filter included Additionally the QTD20 is UL 508 approved and is equipped with input...

Page 2: ...ranty in the legal sense of the word As the state of our knowledge and experience is constantly changing the information in this data sheet is subject to revision We therefore kindly ask you to always...

Page 3: ...0mm on top 20mm on the bottom 5mm on the left and right sides are recommended when the device is loaded permanently with more than 50 of the rated power Increase this clearance to 15mm in case the adj...

Page 4: ...e typ 325Vdc Steady state value load independent see Fig 3 1 Input current typ 0 79A At 24V 20A see Fig 3 3 Start up delay typ 350ms See Fig 3 2 Rise time typ 70ms At 24V 20A only resistive load see F...

Page 5: ...ush delay typ 350ms The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch on Fig 4 1 Typical turn on behavior at nominal load and 25 C ambient temp...

Page 6: ...n 25A Short term 4s load impedance 50mOhm see Fig 5 1 max 28A Short term 4s load impedance 50mOhm see Fig 5 1 Output capacitance typ 950 F Included in the DC DC converter 1 BonusPower short term power...

Page 7: ...utput Power 1 2 3 4 5s min Power Demand Output Voltage Limitation by Power Manager Bonus Power disabled Recovery Time 100 125 Bonus Time The BonusPower is available as soon as power comes on and after...

Page 8: ...onverter output Contact closes As soon as the output voltage reaches the adjusted output voltage Contact opens As soon as the output voltage dips more than 10 below the adjusted output voltage Short d...

Page 9: ...load for the rest of the time Fig 8 1 Efficiency vs output current at 24V typ Fig 8 2 Losses vs output current at 24V typ Efficiency 4 6 8 10 12 14 16 18 20A 88 89 90 91 92 93 94 95 96 Output Current...

Page 10: ...are devices MTBF stands for Mean Time Between Failure which is calculated according to statistical device failures and indicates reliability of a device It is the statistical representation of the lik...

Page 11: ...at all strands of a stranded wire enter the terminal connection d Do not use the unit without PE connection e Ferrules are allowed 1 Insert the wire 2 Snap the lever To disconnect wire same procedure...

Page 12: ...ltage on the output terminals is 90 of the adjusted output voltage or in case of a short circuit in the output On when the unit has switched off due to over temperature Input voltage is always require...

Page 13: ...sion output lines IEC CISPR 16 1 2 IEC CISPR 16 2 1 5dB higher than average limits for DC power port according to EN 61000 6 4 Radiated emission EN 55011 EN 55022 Class A This device complies with FCC...

Page 14: ...IEC 62103 EN 62477 1 altitudes up to 2000m II For altitudes from 2000m to 6000m Degree of pollution 2 IEC 62103 EN 62477 1 not conductive LABS compatibility The unit does not release any silicone or o...

Page 15: ...otect the unit against internal short circuits and ground faults The fuses are not user accessible A tripping of an internal fuse is caused by an internal fault In case of a protection event audible n...

Page 16: ...ommend that either the pole the pole or any other part of the output circuit shall be connected to the protective earth system This helps to avoid situations in which a load starts unexpectedly or can...

Page 17: ...lb DIN Rail Use 35mm DIN rails according to EN 60715 or EN 50022 with a height of 7 5 or 15mm Housing material Body Aluminium alloy Cover zinc plated steel Installation clearances See chapter 2 Fig 19...

Page 18: ...m brackets and the black plastic slider of the unit have to be detached so that the steel brackets can be mounted Fig 20 1 Wall panel mounting Fig 20 2 Mounting Dimensions Wall mounting bracket Oct 20...

Page 19: ...be mounted For sideway DIN rail mounting the removed aluminum brackets and the black plastic slider need to be mounted on the steel bracket Fig 20 3 Side mounting without DIN rail brackets Fig 20 4 Si...

Page 20: ...A Using MOSFET instead of diodes reduces the heat generation and the voltage drop between input and output The YR40 241 does not require an additional auxiliary voltage and is self powered even in cas...

Page 21: ...itive pulse loads definitions Fig 21 2 Max duty cycle curve 100 PPEAK TPEAK P0 T0 max 125 125 100 0 0 2 0 4 0 6 0 75 Duty Cycle 105 110 115 120 PPEAK P0 10 P0 50 P0 75 P0 100 P0 Base load W PPEAK Puls...

Page 22: ...two examples show typical voltage dips Fig 21 3 Peak load with 2x the nominal current for 50ms typ Fig 21 4 Peak load with 5x the nominal current for 5ms typ 10ms DIV Output Voltage Output Current 24V...

Page 23: ...5A circuit breaker or blocking diode between the DC DC converter and the battery c Ensure that the output current of the DC DC converter is below the allowed charging current of the battery d Use only...

Page 24: ...1 0mm 1 5mm 2 5mm C 2A 31m 39m 59m 86m C 3A 24m 31m 43m 68m C 4A 15m 15m 32m 41m C 6A B 6A 16m 25m 34m 58m MCB Power Supply AC DC Load Wire length S1 Fault simulation switch S1 B 10A Don t forget to c...

Page 25: ...case one DC DC converter unit fails the other one is automatically able to support the load current without any interruption Redundant systems for a higher power demand are usually built in a N 1 meth...

Page 26: ...ed enclosure the temperature inside the enclosure will be higher than outside In such situations the inside temperature defines the ambient temperature for the DC DC converter The following measuremen...

Page 27: ...e A2 Max allowed output current results in approximately half the lifetime expectancy of A1 Fig 21 6 Mounting Orientation A Standard orientation DC DC Converter OUTPUT INPUT Output Current 0 10 20 30...

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