We support users of Siemens industrial controls by making technical documents available in one location. Select from our collection of glossaries, standards descriptions, symbol tables, and formulas - technical documents that can help you find the right answers quickly.

Abbreviations of Control Components

Glossary of Industrial Terms

NEMA & IEC Enclosure Descriptions 

Ampacities of Insulated Conductors 

Ampere Ratings for Single and 3 Phase Motors 

Conductor and Lug Data for Contactors & Switches 

Control Circuit Classifications

Grounding Conductors 

Short Circuit Current Ratings (SCCR) for UL508A and NEC

Short Circuit Current Ratings for Siemens NEMA Starters and Contactors

Control Circuit Schematics

Control Symbols

Electrical Formulas

AC & DC Coil and Operating Information for NEMA and Lighting Contactors

NEMA Heavy Duty Control

Wire Conversion Table