rons
Diamond
- Joined
- Mar 5, 2009
- Location
- California, USA
The box height is 20", width is 16", and 8" deep. The door has no buttons or lights yet. There is:
Breaker
Fuse block
230 to 115 VAC transformer
VFD with front panel removed (actually my spare VFD).
Far right connector is for 3/4" rigid conduit.
Two small connectors are for drive signals and shielded motor cable.
The manual says 3" above and below for free space. I'm planning to cut large vent holes in the top and bottom.
The motor cable connector can be attached to the large box. Thus the shield of the motor cable has a ground point connection at the large box.
Or the motor cable can be brought inside the large box and terminated at the VFD terminals.
What would be best?
The motor connection box. I would have to make a reducer type fitting that goes from 3/4" NPT to the straight thread on the existing fitting.
The thread length is too short on the existing fitting for much else. The piece in the middle is a fitting that has the 3/4" NPT thread needed for the motor box. The other side of the piece has it's hole too large for the thread of the connector. I would just make a new piece from some 304 laying around.
Breaker
Fuse block
230 to 115 VAC transformer
VFD with front panel removed (actually my spare VFD).
Far right connector is for 3/4" rigid conduit.
Two small connectors are for drive signals and shielded motor cable.
The manual says 3" above and below for free space. I'm planning to cut large vent holes in the top and bottom.
The motor cable connector can be attached to the large box. Thus the shield of the motor cable has a ground point connection at the large box.
Or the motor cable can be brought inside the large box and terminated at the VFD terminals.
What would be best?
The motor connection box. I would have to make a reducer type fitting that goes from 3/4" NPT to the straight thread on the existing fitting.
The thread length is too short on the existing fitting for much else. The piece in the middle is a fitting that has the 3/4" NPT thread needed for the motor box. The other side of the piece has it's hole too large for the thread of the connector. I would just make a new piece from some 304 laying around.