Vanguard MCCB-250 - Manual (Page 9)

REV 2 MCCB-250 USER’S MANUAL
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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 @ 5A
24 Vac @ 25A
6 Vac @ 120A
3 Vac @ 250A
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