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*24768146_0819*Drive Technology \ Drive Automation \ System Integration \ Services
Revision
SNI I/O System
Edition 08/2019 24768146/EN
SEW-EURODRIVE—Driving the world
Table of contents
Revision – SNI I/O System 3
Table of contents1 Revision..................................................................................................................................... 4
2 Electrical installation................................................................................................................ 52.1 Installation instructions.................................................................................................... 5
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1 Revision
Revision – SNI I/O System4
1 Revision
INFORMATIONThis revision contains the following changes regarding the operating instructions "SNII/O System":This document does not replace the detailed operating instructions.• The new chapter "Electrical installation / Installation instructions / UL-compliant in-
stallation" has been added.
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2Electrical installationInstallation instructions
Revision – SNI I/O System 5
2 Electrical installation2.1 Installation instructions2.1.1 UL-compliant installation
INFORMATIONDue to UL requirements, the following chapter is always printed in English indepen-dent of the language of the publication.
Power terminalsObserve the following notes for UL-compliant installation:• Use 60/75 °C copper wire only.• Line terminal X2: Tighten terminals to 10.6 - 12.4 in-lbs.• PE connection: Tighten terminal to 18 - 21 in-lbs.
Short circuit current ratingWhen installed in combination with Listed MOVIGEAR® MG Drives and/or ListedDRC.. Drives, MOVIFIT® and MOVIPRO®.Suitable for use on a circuit capable of delivering not more than 200,000 rms symmet-rical amperes when protected by 600 V non-semiconductor fuses or 500 V minimuminverse time circuit breakers.• The max. voltage is limited to 500 V.
Branch circuit protectionIntegral solid state short circuit protection does not provide branch circuit protection.Branch circuit protection must be provided in accordance with the National ElectricalCode and any additional local codes.The table below list the permitted maximum branch circuit protection:
Series Non-semiconductor fuses
Inverse time circuit breakers
SNI-I/O System 40 A/600 V 500 V minimum/40 A maximum
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SEW-EURODRIVE—Driving the world
SEW-EURODRIVE GmbH & Co KGErnst-Blickle-Str. 4276646 BRUCHSALGERMANYTel. +49 7251 75-0Fax +49 7251 [email protected]