Chapter 1 Inspection and Model Explanation  ASDA-A2 
Revision February, 2017   1-5 
ECMA Series Servo Motor 
ECMA-C10602ES 
 
Type of Shaft 
Diameter and 
Oil Seal 
w/o 
Brake, 
w/o Oil 
Seal 
with 
Brake, 
w/o Oil 
Seal  
w/o 
Brake, 
with 
Oil 
Seal 
With 
Brake, 
with 
Oil 
Seal 
Round Shaft 
(with fixed 
screw holes) 
- - C D 
Keyway 
E F -  - 
Keyway (with 
fixed screw 
holes) 
P Q R S 
Standard Shaft Diameter: S 
Specific Shaft Diameter: 3=42mm, 7=14mm 
Rated Power Output 
0F:50W     09:900W   50:5.0kW 
01:100W   10:1.0kW   55:5.5kW 
02:200W   13:1.3kW   75:7.5kW 
03:300W   15:1.5kW   1B:11kW 
04:400W   18:1.8kW   1F:15kW 
05:500W   20:2.0kW    
06:600W   30:3.0kW    
07:750W   35:3.5kW 
08:850W    45:4.5kW 
Motor Frame Size 
04:40mm  09:86mm   18:180mm 
06:60mm  10:100mm  22:220mm 
08:80mm  13:130mm 
Name of the Series 
Rated Voltage and Rated Speed 
C = 220V/3,000 rpm; E = 220V/2,000 rpm; 
F = 220V/1,500 rpm; G = 220V/1,000 rpm; 
J = 400V/3,000 rpm; K = 400V/2,000 rpm; 
L = 400V/1,500 rpm; M = 400V/1,000 rpm 
 
Encoder Type 
1: Incremental, 20-bit  
2: Incremental, 17-bit   
3: 2500 ppr 
A: Absolute (Resolution of single cycle: 17-
bit; Resolution of multi-cycle: 16-bit)  
Servo Type 
: 
C Servo 
Product Name 
ECM: Electronic 
Commutation Motor