Here are all Indelac Standard Electric Actuator                         Base Model Numbers per Series

     R Series |  S Series |  M Series |  L Series |  K Series
 
   ES2 |  AS Series |  ASC Series
 
   SNS 
 

R Series: 100 in-lbs of Torque

S Series: 200 to 300 in-lbs of Torque

M Series: 400 to 1,500 in-lbs of Torque

L Series: 700 to 3,840 in-lbs of Torque

K Series: 5,000 to 27,300 in-lbs of Torque

ES2: 200 in-lbs of Torque | Spring Return

AS Series: 400 to 1,000 in-lbs of Torque | Spring Return

ASC Series: 400 to 1,200 in-lbs of Torque | Modulating Spring Return

SNS Series: 400 to 2,800 in-lbs of Torque | Internal Battery Back-up