MIL-DTL-17361G(SH)
APPENDIX A
TABLE A-XIII. AQB-A250 / AQB-A253 conversion settings - Continued.
AQB-A250 settings (SPD or
Cutler-Hammer AQB-A253 equivalent settings /2
Cutler-Hammer/Westinghouse)
Continuous
Trip
Instantaneous
Frame
Short-time delay
Short-time delay
current setting on
element
pickup (amps)
size
pickup (amps)
time band /3
adjustable rating
plug (amps)
160NGH
2 (2225)
250
160
13 (2080)
INST
160NGH
3 (2530)
250
160
13 (2080)
INST
160NGH
4 (2840)
NA
NA
NA
NA
160NGH
High (3420)
NA
NA
NA
NA
250-NGH
Low (2520)
250
250
10 (2500)
INST
250-NGH
2 (2960)
250
250
12 (3000)
INST
250-NGH
3 (3120)
250
250
12 (3000)
INST
250-NGH
4 (3590)
250
250
13 (3250)
INST
250-NGH
High (4200)
NA
NA
NA
NA
125NM
Low (1950)
250
125
13 (1625)
INST
125NM
2 (2425)
NA
NA
NA
NA
125NM
3 (2760)
NA
NA
NA
NA
125NM
4 (3200)
NA
NA
NA
NA
125NM
High (3900)
NA
NA
NA
NA
150NM
Low (1950)
250
150
13 (1950)
INST
150NM
2 (2425)
250
150
13 (1950)
INST
150NM
3 (2760)
NA
NA
NA
NA
150NM
4 (3200)
NA
NA
NA
NA
150NM
High (3900)
NA
NA
NA
NA
175NM
Low (1950)
250
175
13 (2275)
INST
175NM
2 (2425)
250
175
13 (2275)
INST
175NM
3 (2760)
250
175
13 (2275)
INST
175NM
4 (3200)
NA
NA
NA
NA
175NM
High (3900)
NA
NA
NA
NA
225NM
Low (1500)
250
225
6 (1350)
INST
225NM
2 (1770)
250
225
8 (1800)
INST
225NM
3 (2025)
250
225
10 (2250)
INST
225NM
4 (2325)
250
225
12 (2700)
INST
225NM
High (3000)
NA
NA
NA
NA
250NM
Low (1700)
250
250
6 (1500)
INST
250NM
2 (1880)
250
250
8 (2000)
INST
250NM
3 (2240)
250
250
10 (2500)
INST
250NM
4 (2625)
250
250
12 (3000)
INST
250NM
High (3400)
250
250
13 (3250)
INST
83
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