Technical specifications

Customer supplied MV MCB (breaker or vacuum contactor) 

(standard)

The ACS2000 needs to have direct and exclusive control over 

the MV Switchgear. The close, open and / or trip command 

must be wired directly from the frequency converter to the MV 

Switchgear. It is not permitted to wire the trip command 

through any PLC or DCS system if it is not certified to meet SIL 

3 level requirements.

The MV MCB (breaker or vacuum contactor) needs to be 

equipped with the following features: −−

 • 1 normally open and 1 normally closed contact to provide 

status feedback to the drive

See publication MV Switchgear – document number 

2UEB000095 for technical specifications

Integral MV fused disconnect / vacuum contactor package 

(optional)

 ABB can also offer a fused disconnect / contactor option for a 

flexible, self contained solution where no control coordination 

is required upstream. It provides a visible blade switch 

disconnect and integral input contactor with options such as 

motor protection relay, auxiliary power transformer and other 

customer controls.