Vanguard DigiTMR S2 PC User Manual download pdf (Page 25)

REV 1 DIGITMR S2 PC USER’S MANUAL

2.3.5. AC Current Sensor Connection

The DigiTMR S2 PC can sense a breaker’s bushing current by using a clamp-on AC current sensor

connected to the breaker’s bushing CT. The AC current sensor is used in “On-Line” Mode only.

The AC current sensor requires a minimum of 100 mA to operate. The maximum current is 25

Amperes. A typical AC sensor connection is shown in Figure 8.

Figure 8. Typical CT Connection

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Vanguard DigiTMR S2 PC User Manual Page 25