Vanguard MCCB-250 User Manual download pdf (Page 9)

REV 2 MCCB-250 USER’S MANUAL

2.0 FUNCTIONAL DESCRIPTION

2.1 MCCB-250 AC Current Source

The MCCB-250 provides five AC current outputs (items 1, 2, 3, 4, and 5 in Figure 1). AC test

current is set by the

[CURRENT CONTROL] knob. This test current is measured and

displayed on the LCD screen. The MCCB-250’s output current ratings are shown in Table 3 and

Table 4 below.

Table 3. MCCB-250 Current Output

CURRENT OUTPUT

120 Vac @ 5

24 Vac @ 25

6 Vac @ 120

3 Vac @ 250

Table 4. MCCB-250 Overload Current Output

CURRENT ON TIME OFF TIME

100% (1x)

30 Minutes 30 Minutes

200% (2x)

3 Minutes 5 Minutes

300% (3x)

30 Seconds 4 Minutes

400% (4x)

4 seconds 7 Minutes

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

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Vanguard MCCB-250 User Manual Page 9