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Chapter 6
System components
BQD circuit breaker description
Figure 6.1 and 6.2
show the layout
of the BDQ circuit breaker.
Breaker Handle
Load Side Mounting
Figure 6.1
BQD 15A Breaker Side View
Figure 6.2
BQD 15A Breaker Top View
BQD Line Connection
Load Lug Terminal
RMS Symmetrical Amperes (KA)
Number
Volts AC
of Poles
120 240 277 480
1 65
—
14
—
2 —
65
—
14
Interrupting Ratings
Table 6.2
BQD Interruption Ratings
Continuous 1-Pole
2-Pole
Current Rating
120 - 277V AC
240 - 480Y/270V AC
@40ºC
Catalog Number
Catalog Number
15A
BQD115 BQD215
20A
BQD120 BQD220
25A
BQD125 BQD225
30A
BQD130 BQD230
Catalog Numbers
Table 6.1
BQD Catalog Numbers
Содержание i-3
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