5-10
BE1-50/51B-235/-236 Testing
9252000898 Rev —
d. Set CURVE to S.
e. Set TIME PICKUP to 0.2.
f.
Set INST PICKUP (50-A) to 18.0.
g. Set INST PICKUP (50-B) (accessed at the top side of the assembly) at 20 (0.4 Aac).
2. Apply 0.18 Aac to terminals 8 and 9 (0.18 Aac provides relay operating power but is below the pickup
threshold.)
3. Connect a jumper to the Time Overcurrent Manual Trip jacks. Verify that the stop input of the test set
timer recognizes a 51 contact closure.
4. Remove the jumper and the current applied at relay terminals 8 and 9.
5. Apply 0.18 Aac to terminals 8 and 9.
6. Connect a jumper to the Instantaneous Overcurrent Manual Trip jacks. Verify that the stop input of
the test set timer recognizes a 50-A contact closure
7. Remove the jumper and the current applied to relay terminals 8 and 9.
8. Reset
targets.
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