0
GEK-340 55
TABLE XIV
60 HZ
TAP
AMPS
M IN. SEC.
2.0
4.0
6.27
2.0
20.0
0 .26
INSTANTANEOUS UNIT
1.
Both contacts should close at the same time.
MAX. SEC.
7.22
0 .30
50 HZ
M IN. SEC.
MAX. SEC.
6.58
7. 56
2 . The backing strip should be so formed that the forked end
(
front
)
bears against the molded strip under
the armature.
3.
With the armature against the pole piece the cross member of the "T" spring should be in a horizontal
plane and there should be at least l/32 inch wipe on the contacts. Check this by insertinq a 0 . 0 12
inch feeler gage between the front half of the shaded pole and the armature with the arma
t
ure held
closed. Contacts should close with feeler gage in place.
TARGET AND SEAL-IN UNIT
Check steps
1
and 2 as described under Instantaneous Unit.
To check the wipe of the seal-in unit, insert a 0.012 inch feeler gage between the plastic residual
of the armature and the pole piece with the armature held closed. Contacts should close with the
feeler gage in place.
RENEWAL PARTS
It is recommended that sufficient quantities of renewal parts be carried in stock to enable the
prompt replacement of any that are worn. broken, or damaged.
When ordering renewal parts, address the nearest Sales Office of the General Electric Company,
specify quantity required. name of the part wanted, and the complete model number of the relay for which
the part is required.
13
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