Chapter 4
Hardware Description
125 – 300 HP, 230VAC
250 – 600 HP, 460VAC
4-6
Figure 4.4
Field Bridge Components
Feedback
Board A1
TB-1
89
TB-8
1
2
3
L1
CH1
L3
User Supplied Fuses
3MOV
PM1
L3 G2
PM2
G1 F2 L1 G1 G2 F1
Field Pulse Transformer
and Snubber Board
A5
2MOV
F+
F-
FCT (5 turns)
*
*
* Externally
Mounted Devices
TB-7
1
2
3
