Frame：52/78
Stage：2
Ratio range：1:3~1:81
Motor temperature rise：During rated operation, the winding temperature rise is measured by resistance method to be below 75K
Motor noise：≤ 50dB
Insulation level：Class E (120 ° C)
Environmental temperature： 0 ° C~+40 ° C
Operating humidity：below 85% (non condensing state)