Chapter 2 Installation  ASDA-A2 
Revision February, 2017   2-5 
2.5  Specification of Circuit Breaker and Fuse 
220V Series 
Caution: Please use the fuse and circuit breaker that is recognized by UL/CSA. 
Servo Drive Model  Circuit Breaker  Fuse (Class T) 
Operation Mode  General  General 
ASD-A2-0121- 5A  5A 
ASD-A2-0221- 5A  5A 
ASD-A2-0421- 10A  10A 
ASD-A2-0721- 10A  20A 
ASD-A2-1021- 15A  25A 
ASD-A2-1521- 20A  40A 
ASD-A2-2023- 30A  50A 
ASD-A2-3023- 30A  70A 
ASD-A2-4523- 70A  140A 
ASD-A2-5523- 75A  150A 
ASD-A2-7523- 95A  175A 
ASD-A2-1B23- -  - 
ASD-A2-1F23- -  - 
NOTE
 
If the servo drive equips with earth leakage circuit breaker for avoiding electric 
leakage, please choose the current sensitivity which is over 200 mA and can 
continue up to 0.1 seconds. 
 
400V Series 
Caution: Please use the fuse and circuit breaker that is recognized by UL/CSA. 
Servo Drive Model  Circuit Breaker  Fuse (Class T) 
Operation Mode  General  General 
ASD-A2-0743- 10A  20A 
ASD-A2-1043- 15A  25A 
ASD-A2-1543- 20A  40A 
ASD-A2-2043- 30A  50A 
ASD-A2-3043- 30A  70A 
ASD-A2-4543- 70A  140A 
ASD-A2-5543- 75A  150A 
ASD-A2-7543- 95A  175A 
NOTE
 
If the servo drive equips with earth leakage circuit breaker for avoiding electric 
leakage, please choose the current sensitivity which is over 200 mA and can 
continue up to 0.1 seconds.