THREE PHASE
AUTOTRANSFORMERS IN METAL ENCLOSURE ATTP range
POWER
INPUT
OUTPUT
FREQUENCY
STANDARDS
FROM
1kVA TO 300kVA
230/400V
230/400V
50/60
Hz
EN
61558-2-13
CEI 96-13
BS
171
Protection
IP23
Isolation class F (Ta max 45°C)
Copper winding cl. H
Resin impregnated and tropicalised
Coonections on terminal blocks to 25kVA
Connections on brass bolts from 30kVA
Vector group: Yn0
Metal enclosure RAL7032 with cooling slots
Lifting lugs
IP34 VERSION AVAILABLE ON REQUEST