ABB ACS1000 - Space Heaters

03 POWER ELECTRONICS AND CABINET FEATURES
3BHS213401 E01 REV H ACS1000 AIR-COOLED USER MANUAL 50/184
3.9 Space heaters
The optional space heaters protect the cabinet from condensation.
The drive switches on the space heaters when the cooling system is switched off.
Figure 3-20: Space heaters