Tesys Motor Starter Solutions 8536DB0901
Table of Contents 11/2009
© 2009 Schneider Electric All Rights Reserved2
Table of Contents
Introduction ................................................................................................ 3
Overview of U.S. Standards and Regulations .........................................3
Certification Process ................................................................................... 3
Acceptance of Electrical Equipment in the U.S. .......................................... 3
Structure of a Motor Starter in Accordance with UL508A...................... 4
Feeder Circuits and Branch Circuits ...........................................................4
Group Motor Installations ...................................................................... 5
Required Functions of Combination Starters ..............................................6
Types of Combination Starter Constructions .............................................. 7
Disconnecting Means on a Feeder Circuit .................................................. 7
TeSys Motor Starters .................................................................................. 8
Disconnecting Means ................................................................................ 8
Industrial Machinery requirements (NFPA79 Section 5.3.3.1 and
UL508A Section 65, 66) .............................................................................. 8
TeSys Solutions ......................................................................................... 9
UL98/489 ..................................................................................................... 9
TeSys GS Disconnect Switches ............................................................ 9
UL508 Type E ........................................................................................... 10
Manual Self-Protected Combination Motor Controller, TeSys GV ....... 10
Self-Protected Combination Motor Controller, TeSys U ...................... 11
UL508 Type F ........................................................................................... 11
Combination Motor Controller, TeSys GV ........................................... 11
UL508 Group Motor Installations .............................................................. 12
Manual Combination Motor Controller, TeSys GV .............................. 12
UL508 Contactors ..................................................................................... 14
TeSys K, D, and F Specifications ........................................................14
UL248 TeSys DF Fuse Holder Characteristics ......................................... 17
Short Circuit Protection for Drives.........................................................17
GV2P Controllers and ATV21 Drives ........................................................ 18
Recommended Branch-Circuit Protection Devices ............................. 18
GV2P or GV3P Controllers with ATV31 Drives .........................................20
GV2P or GV3P Controllers with ATV61 or ATV71 Drives .........................21
Self-Protected Manual Combination Starter Values Meeting
UL 508 Type E ........................................................................................ 21
SCCR requirement in UL508A .................................................................. 23
Specific Requirements for the Canadian Market................................... 24
Installation and Product Standards ...........................................................24
Certification Process ............................................................................24
Technical Differences between Canadian and U.S. Standards ........... 24
Average Full-Load Currents of Asynchronous Squirrel Cage Motors 25