Standard Accessory included in the group package. 
Optional Accessory not included but can be added to group package. 
Optional Accessory. Can not be used with accessory having the same symbol. 
N/A 
Denotes an Accessory with 2 circuits as a standard. 
* 
Delayed Transition Units Only. 
Denotes an Accessory with 3 circuits as a standard. 
** 
Optional for 40-400 Amp 
GE Zenith Controls 
ZTS / ZTSD Operation and Maintenance Manual (71R-3000) 
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