
Geo Direct PWM Amplifier
Connector PinOuts and Wiring 22
Recommended Bus Power Fuse and Wire Gauge
Geo Drive electronics create a DC bus by rectifying the incoming AC lines. The current flow into the
drive is not sinusoidal but rather a series of narrow, high-peak pulses. Keep the incoming impedance
small so that these current pulses are not hindered. Conductor size, transformer size, and fuse size
recommendations may seem larger than normally expected.
GPL03
2
GPL05
1
GPL05
2
GPL10
1
GPL10
2
GPH03
2
GPH05
1
GPH05
2
GPH10
1
GPH10
2
All ground conductors should be 8AWG minimum using wires
constructed of many strands of small gauge wire. This ensures the
lowest impedance to high-frequency noises.
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