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5/8% Step-Voltage Regulator
Single Phase Type JFR
76.2 kVA 7620 volts 10% in 32 - 5/8% Steps
Insulating Fluid :
Fluid PCB content :
Untanking Hgt
Untanking Wgt =
% Regulation
Max Amps
Forward Power Flow - Connect Load Side
Voltage Transformer per Table 1.
Load
Volts
10%
8000
7620
7200
6930
5000
4330
2500
Reverse Power Flow - Connect Source Side
Voltage Transformer per Table 2.
Source
U2PT: 7620:121
Volts
10%
8000
7620
7200
Aluminum conductor in shunt winding.
Aluminum conductor in series winding.
Do not by-pass unless on neutral and control switch on panel is off
See instruction book before placing in service.
P2PT: 7620:120
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6,(0(16
60 Hz
ASTM D-3487 Type II Mineral Oil
Less than 1 ppm at time of manufacture
=
114 in.
937 lbs.
10
8
7
6
5
3/4
1/2
1/4
100
110
120
135
160
Control & Motor
Control Panel Conn
Volts
Connect
PA
P14A
Control
E-P2
*
to
to
Volts
127 V
P2-P3
20
27
120 V
121 V
P2-P3
20
21
120 V
123 V
P2-P4
20
23
120 V
118 V
P2-P4
23
21
120 V
124 V
P2-P5
21
20
125 V
125 V
P2-P6
20
20
125 V
121 V
P2-P7
25
21
125 V
Control & Motor
Control Panel Conn
Volts
Connect
PB
P14B
Control
E-P12
*
to
to
Volts
120 V
P12-P13
20
20
120 V
120 V
P12-P14
20
20
120 V
120 V
P12-P15
20
20
120 V
S i e m e n s E n e r g y & A u t o m a t i o n , I n c .
M a d e i n U S A
To prevent minor or moderate injury
including damage to the regulator or
control components, use the example
diagrams only for illustration purposes.
Refer to the regulator nameplate for the
proper control diagram to use with a
particular installation.
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Serial No.
55 C Rise
95 BIL
Class 0A
100 Amps
Oil
=
62 gals
Total Wgt
=
1598 lbs.
* Control diag :
Nameplate :
SOURCE
SL
LOAD
S
L
CT
E1
100 : 0.2
C3
E3
P14
P13
P15
AMPS
K
M
A
B
0
123456
78
P6
P4
E2
P7
P5
P3
CT sec conn C2 to C3
J a c k s o n , M S
21-115905-002
CAUTION
6LHPHQV 3RZHU 7UDQVPLVVLRQ
TapChngr SIEMENS
I FullLoad 100
CTratio 100:0.2
Tap Changer
Reversing Switch
Tap Changer
Preventive
Autotransformer
Utility Pol NORM
(E2 to right of P terminals)
Basis volts 120
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