Siemens MJ-4 Series User Manual

4 Setting Up the MJ-4A & MJ-4B Control Panel
20 Siemens Energy, Inc.
Figure 4.1 Typical Siemens Regulator Nameplate for older ANSI Type B (Inverted) Regulator
Note: Items are not highlighted on actual nameplate
Figure 4.2 Typical Siemens Regulator Nameplate for ANSI A (Straight) regulator without a Load Side PT.
SIEMENS
5/8% Step-Voltage Regulator Serial No.
Single Phase Type JFR 60 Hz 55 C Rise 95 BIL Class 0A
76.2kVA 7620volts 10%in32-5/8%Steps 100 Amps
Insulating Fluid :
Fluid PCB content :
ASTM D-3487 Type II Mineral Oil
Less than 1 ppm at time of manufacture
Untanking Hgt = 114 in.
Untanking Wgt = 937 lbs.
Oil = 62 gals
Total Wgt = 159 8 lbs.
* Control diag :
Nameplate :
Forward Power Flow - Connect Load Side
Reverse Power Flow - Connect Source Side
Voltage Transformer per Table 1.
Voltage Transformer per Table 2.
%Regulation
Max Amps 100 110 120 135 160
10 8 7 3/4 1/2 1/4 65
Load
Volts
10%
Source
Volts
10%
8000
8000
7620
7620
7200
7200
6930
5000
4330
2500
127 V
120 V
121 V
120 V
123 V
120 V
118 V
124 V
125 V
121 V
P2-P3
P12-P13
P2-P3
P12-P14
P2-P4
P12-P15
P2-P4
P2-P5
P2-P6
P2-P7
20
20
20
20
20
20
23
21
20
25
27
20
20
20
21
23
21
20
20
21
120 V
120 V
120 V
120 V
120 V
120 V
120 V
125 V
125 V
125 V
Control & Motor
Control & Motor
Control Panel Conn
Control Panel Conn
Volts
E-P2
Volts
E-P12
Connect
*
Connect
*
PA
to
PB
to
P14A
to
P14B
to
Control
Volts
Control
Volts
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.
CTsecconnC2toC3
SiemensPowerTransmission&Distribution,Inc.
Jackson,MS
MadeinUSA
21-115905-002
P7
P6
P5
P13
P4
P14
P3
P15
E2
E3
E1
CT
AMPS
100 : 0.2
C3
123456
AB
M
K
S
LOAD
L
SL
SOURCE
078
CTratio 100:0.2
I FullLoad 100
TapChngr SIEMENS
Utility Pol NORM
(E2 to right of P terminals)
Tap Changer
Preventive
Autotransformer
Tap Changer
Reversing Switch
U2PT: 7620:121
P2PT: 7620:120
U2PT: 7620:124
P2PT: 7620:124
TapChngr SIEMENS
I FullLoad 328
Type STRAIGHT
CTratio 400:0.2
Utility Pol NORM
(E2 to right of
U Terminals)

Siemens MJ-4 Series Specifications

General

Brand	Siemens
Model	MJ-4 Series
Category	Control Panel
Language	English