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WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and

workmanship for a period of 

13 months

from date of purchase. OMEGA Warranty adds an additional

one (1) month grace period to the normal 

one (1) year product warranty

to cover handling and

shipping time. This ensures that OMEGAÕs customers receive maximum coverage on each product. 
If the unit should malfunction, it must be returned to the factory for evaluation. OMEGAÕs Customer
Service Department will issue an Authorized Return (AR) number immediately upon phone or written
request. Upon examination by OMEGA, if the unit is found to be defective it will be repaired or replaced
at no charge. OMEGAÕs WARRANTY does not apply to defects resulting from any action of the
purchaser, including but not limited to mishandling, improper interfacing, operation outside of design
limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows
evidence of having been tampered with or shows evidence of being damaged as a result of excessive
corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other
operating conditions outside of OMEGAÕs control. Components which wear are not warranted, including
but not limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability
for any damages that result from the use of its products in accordance with information
provided by OMEGA, either verbal or written. OMEGA warrants only that the parts
manufactured by it will be as specified and free of defects. OMEGA MAKES NO OTHER
WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR
IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth
herein are exclusive and the total liability of OMEGA with respect to this order, whether
based on contract, warranty, negligence, indemnification, strict liability or otherwise,
shall not exceed the purchase price of the component upon which liability is based. In
no event shall OMEGA be liable for consequential, incidental or special damages.

CONDITIONS:  Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a
ÒBasic ComponentÓ under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in
medical applications or used on humans. Should any Product(s) be used in or with any nuclear
installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes
no responsibility as set forth in our basic WARRANTY / DISCLAIMER language, and additionally,
purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever
arising out of the use of the Product(s) in such a manner.

RETURN REQUESTS / INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN
AUTHORIZED RETURN (AR) NUMBER FROM OMEGAÕS CUSTOMER SERVICE
DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number
should then be marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to
prevent breakage in transit.  
FOR 

WARRANTY

RETURNS, please have

the following information available BEFORE
contacting OMEGA:
1. P.O. number under which the product 

was PURCHASED,

2. Model and serial number of the product

under warranty, and

3. Repair instructions and/or specific 

problems relative to the product.

FOR 

NON-WARRANTY

REPAIRS, consult

OMEGA for current repair charges. Have the
following information available BEFORE
contacting OMEGA:
1.  P.O. number to cover the COST 

of the repair,

2. Model and serial number of product, and
3. Repair instructions and/or specific 

problems relative to the product.

OMEGAÕs policy is to make running changes, not model changes, whenever an improvement is possible. 
This affords our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 1999 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, 
photocopied, reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part,
without prior written consent of OMEGA ENGINEERING, INC.

USA

MADE

IN

PATENT NOTICE: This product is covered by one or more of the following patents: U.S. Pat. No. Des. 336,895;
5,274,577 / Canada 2052599; 2052600 / Italy 1249456; 1250938 / France Brevet No. 91 12756 / Spain 2039150;
2048066 / UK Patent No. GB2 249 837; GB2 248 954 / Germany DE 41 34398 C2
Used Under License. Other International Patents Pending.

Summary of Contents for DIN-RAIL DRN-PS-750

Page 1: ......

Page 2: ...sse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29 Toll Free in Germany 0800 TC OMEGASM e mail germany omega com United Kingdom One Omega Drive ISO 9002 Certified River Ben...

Page 3: ...ounting 5 4 Temperature Ranges 5 5 Input Range 5 6 Input Current Surge Protection 5 7 Output Voltage 5 8 Output Current 5 9 Output Ripple 5 10 Temperature Derating 5 11 Power on Indicator 5 12 Short c...

Page 4: ...ammability rating Glass filled polycarbonate case UL 94VO Recessed live parts and connector screws Either 32mm or 35mm DIN rail mounting Jumper select 230V 50Hz or 115V 60Hz input Wide input voltage t...

Page 5: ...C 348 Exceeds VDE551 IEC 742 separation spacing Exceeds VDE106 protective separation Exceeds VDE 160 clearance distances Exceeds VDE160 creepage distances 2 3 Protective Classes IEC 529 IP 20 VDE 106...

Page 6: ...is to be transported then disconnection dismounting and separate packing of the power supply is recommended For units that must be shipped installed on the rail additional bracing to resist transporta...

Page 7: ...it in front of you the same way as shown in Figure 3 1 on the following page 3 On the main board locate the transformer jumpers W1 W2 and W3 near the transformer T1 If your power requirement is 115Vac...

Page 8: ...Board Power Jumpers MAIN BOARD T1 115VAC WIRING SHOWN WITH W1 W3 TRANSFORMER MOUNTING PLATE W2 115VAC JUMPER WIRING W1 W3 W2 230VAC JUMPER WIRING W2 W3 W1 INSTALLATION AND REMOVAL 3 6 DRN PS DIN Rail...

Page 9: ...unting rail guide on the top edge of the mounting rail and lower it to lock it into position Removal Release the spring catch with a screwdriver while raising the module to disengage it installation r...

Page 10: ...4 1 Front Panel Connection Labels shown without regulator cover AC Line AC Neutral Ground RETURN NO CONNECTION 21 5V IN AC N PWR V N C OUT DC INPUT AND OUTPUT CONNECTIONS 4 8 DRN PS DIN Rail Power Su...

Page 11: ...ght Height 2 76 70mm Width 2 95 75mm Depth 5 95 151mm Weight 2 0 lbs 0 9 kg 5 3 Mounting 35mm top hat DIN EN 50022 5 4 Temperature Ranges Operating Temperature Ranges 20 to 60 degrees C Storage Temper...

Page 12: ...5 6 Input Current Surge Protection 6kA 275V Varistor 5 7 Output Voltage 21 5V 2 IR where I output current amperes and R 0 3 5 8 Output Current DRN PS 750 0 750mA 5 9 Output Ripple Less than 10mV pp S...

Page 13: ...Front Panel red LED lamp 5 12 Short circuit and overload protection DRN PS 750 foldback current limiting with automatic high temperature shutdown no fuses required 5 13 Wire Connections Screw down wi...

Page 14: ...5 230vac INPUT V Ground AC Line AC Neutral V A R I S T O R L C F I L T E R B R I D G E 21 5V R E G U L A T O R Return 75mA 50 DRN PS 750 C Ambient 0 1000 800 600 400 200 60 45 35 25 15 5 5 I max DERAT...

Page 15: ...Figure 8 1 Dimensions SPACED AS SHOWN POWER SUPPLY WITH 151 1 5 95 2 76 2 95 3 15 TWO SCREWS FASTEN RAIL UNDER MAX 70 0 75 0 80 0 DIMENSIONS DRAWING 8 13 DRN PS DIN Rail Power Supplies...

Page 16: ...inst excessive energy being drawn from the mains supply in case of a fault in the equipment an overcurrent protection device shall be installed The Protective Conductor must be connected for safety re...

Page 17: ...special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2...

Page 18: ...M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U Industrial pH Conductivity Equip...

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