Specifications

June 2007
Process Industry Practices
Electrical
PIP ELSAP20
Low-Voltage Automatic Transfer Switch
Table of Contents
1. Introduction.................................2
1.1 Purpose............................................ 2
1.2 Scope............................................... 2
2. References ..................................2
2.1 Process Industry Practices .............. 2
2.2 Industry Codes and Standards ........2
3. Definitions...................................2
4. Requirements ............................. 3
4.1 General ............................................ 3
4.2 Transfer Switch ................................ 3
4.3 Bypass-Isolation Switch................... 4
4.4 Microprocessor Controllers.............. 5
4.5 Optional Features ............................ 6
4.6 Enclosures ....................................... 7
4.7 Inspection and Testing..................... 8
4.8 Shipping ........................................... 9
4.9 Documentation................................. 9
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