Alstom GL314 - Page 8

Technical data
Technical characteristics
L10--006EN/02
2/2
08--2000
E ALSTOM
GL314 technical characteristics, continued
SF
6
gas
The table below gives the SF
6
gas characteristics :
NOTE
: Two pressure scales are possibles, depending the specifica-
tions of the apparatus.
GL314
Absolute pressure at 20C(68F)
p
re
Filling absolute pressure for the insula-
tion
0.75 MPa
(108.8 p.s.i.)
0.85 MPa
(123.2 p.s.i.)
i.e. effective pressure
at 20C(68F) and 101.3 kPa
p
re
Filling rated effective pressure
for the insulation
+0.01
-- 0
0.65 MPa
(94.3 p.s.i.)
0.75 MPa
(108.8 p.s.i.)
p
ae
Alarm effective pressure for the
insulation
+0.02
-- 0
0.54 MPa (p
me
+0.03 MPa)
(78.3 p.s.i.)
0.64 MPa (p
me
+0.02 MPa)
(92.8 p.s.i.)
p
me
Minimal effective pressure for
the insulation
+0.02
-- 0
0.51 MPa
(74 p.s.i.)
0.61 MPa
(88.5 p.s.i.)
SF6 mass
for one three--pole circuit--breaker
16.5 kg 19 kg
SF6 gas density
p
re
49.59 kg/m
3
57.04 kg/m
3
p
ae
41.66 kg/m
3
48.86 kg/m
3
p
me
39.55 kg/m
3
46.68 kg/m
3
The above characteristics are of a general nature, only those values given on
the circuit--breaker’s rating plates are contractually binding.
Operating device
The table below gives low voltage components characteristics of the FK3-- 1
operating device :
Auxiliary voltages (usual) :
U
a
Opening and closing circuits 48--110--125--220--250 V (dc)
Heating (and lighting) circuits 220 V (ac)
Motor 110--220 (dc) or 220 V (ac)
Consumption :
Closing and opening coils 340W / coil
Permanent heating 50 W
Motor  800 W (dc) or  950 VA (ac)
The above characteristics are of a general nature, only those values given on
the circuit--breaker’s rating plates are contractually binding.