Puls DIMENSION YR40 DIN rails power supply din rail power supply U YR40.241 Data Sheet

Product codes
YR40.241
Page of 17
 
 
YR40.241
 
 
Y-Series 
24-28V,
 
40A,
 
D
UAL 
R
EDUNDANCY 
M
ODULE
 
 
 
I
NDEX
 
 
 Page 
Page 
 
 
The information presented in this document is believed to be accurate and reliable and may change without notice. 
No part of this document may be reproduced or utilized in any form without permission in writing from the publisher. 
 
 
T
ERMINOLOGY AND 
A
BREVIATIONS
 
PE and 
 symbol 
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”. 
T.b.d. 
To be defined, value or description will follow later. 
DC 24V 
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 flat (10V) 
24Vdc 
A figure with the unit (Vdc) at the end is a momentary figure without any additional 
tolerances included.  
may 
A key word indicating flexibility of choice with no implied preference 
shall 
A key word indicating a mandatory requirement 
should 
A key word indicating flexibility of choice with a strongly preferred implementation 
1+1 Redundancy 
Use of two identical power supplies in parallel to provide continued operation following most 
failures in a single power supply. The two 
power supply outputs should be isolated 
each other by utilizing diodes or other 
switching arrangements. 
E.g. two 10A power supplies are needed to 
achieve a 10A redundant system. 
2/17
N+1 Redundancy 
Use of three or more identical power 
supplies in parallel to provide continued 
operation following most failures in a 
single power supply. All power supply 
outputs should be isolated each other by 
utilizing diodes or other switching 
arrangements. E.g.: To achieve a 40A redundant system, five 10A power supplies are needed in 
a N+1 redundant system. 
N+1 
Redundancy 
 
1+1 
Redundanc
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
IN 1
OUT
IN 2
IN 1
OUT
IN 2
IN 1
OUT
IN 2
IN 1
OUT
IN 2
 
Load
+
-
Load
+
-
Oct. 2010 / Rev. 1.0 DS-YR40.241-EN 
All parameters are specified at 24V, 40A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted 
www.pulspower.com   Phone +49 89 9278 0    Germany