Description
4
4.1 Cabinet Details
4.1.1 Supply Scope
Standard Scope of Supply
The scope of supply for the air-cooled SINAMICS Perfect Harmony™ GH180 VFD System Basic
unit consists of multiple sections:
• Input / Output section
• Transformer section
• Cell section
• Control section
• Blowers
The standard core VFD enclosure is NEMA 1 Ventilated, and is provided with top and bottom
cable access plates, hinged doors with either mechanical or electrical key interlocks, and
IP42 degree of protection.
4.1.2 Input / Output Section
Input / Output Section
• The Input / Output section primarily houses the line (L1-L2-L3/U1-V1-W1) side and load (T1-
T2-T3/U2-V2-W2) side connections.
• The bus connections are accessible by way of both top and bottom gland plates.
• The I/O section also contains a protective earth (PE).
4.1.3 Transformer Section
Transformer Section
The transformer section primarily houses the transformer and polyglass air baing.
The air-cooled product uses an isolating multi-winding secondary phase shifting transformer.
The transformer core is grounded to the enclosure.
Type 6SR5 Air-Cooled
Operating Instructions, AK, A5E39390112 19