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Siemens SDV7 User Manual
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30
Item
Description
A
External manual trip
B
Control disconnect device
C1
Relay and contr
ol
compartment closed
C2
Relay and contr
ol
compartment open
D
Operator compartment
E
Push-to-trip pushbutton
F
Push-to-close pushbutton
G
Operations counter
H
OPEN/CL
OSE indicator
I
Reset mechanism f
or external
manual trip
Figure 8: Rela
y and control and operator compartments for type SD
V7-MA-AR circuit breaker with magne
tic-actuator operator
A
2-4-6
1-3-5
C2
D
B
H
H
E
F
G
C1
I
A
I
29
31
Table of Contents
Table of Contents
3
Introduction
4
Introduction
5
Typical Type SDV7 Distribution Circuit Breaker
6
General Description
6
Inspection and Unpacking
8
Shipping Damage Claims
8
Receiving, Handling and Storage
8
Storage
10
Lifting and Moving
10
Lifting Type SDV7 Distribution Circuit Breaker with Crane
10
Setting Leg Height
11
Location
11
Installation
11
Outline Drawing
12
Anchoring Type SDV7 Distribution Circuit Breaker
13
Secondary Control Wiring
14
Ground Connections
14
Primary Lead Connections
14
Electrical Connections
14
Current Transformers (Cts)
15
Phase Barriers
15
Instrument Transformers
15
Current Transformer Positions
16
Inspections, Checks and Tests Without Control Power
17
De-Energizing Control Power in a Power Circuit Breaker
17
Installation of Type SDV7-SE Distribution Circuit Breaker with Stored-Energy Operator
17
External Manual Trip
20
Manual Spring Charging Check
20
Automatic Spring Charging Check
20
As-Found and Vacuum Check Tests
20
Final Mechanical Inspection and Testing Without Control Power
21
Testing
22
High-Potential Test Voltages
23
Placing Equipment into Service
24
With Magnetic-Actuator Operator
25
Operator Controls and Discharging Capacitors
26
Discharging Capacitors
27
Automatic Capacitor Charging
27
As-Found and Vacuum-Integrity Check Tests
28
Capacitor Charging Check
28
With Magnetic-Actuator Operator
29
Inspection and Maintenance Intervals
35
Maintenance
35
Recommended Hand Tools
36
Recommended Maintenance and Lubrication
37
Inspection Items and Tests
37
De-Energize the Circuit Breaker
38
Checks of Primary Power Path
39
Cleanliness Check
39
Checks of the Stored-Energy Operator Mechanism
39
Maintenance and Lubrication
39
Vacuum Integrity Test Procedure
40
Insulation and Contact-Resistance Test Equipment
40
Insulation and Contact-Resistance Test Procedure
41
Inspection and Cleaning of Circuit Breaker Insulation
41
Functional Tests
42
Protective Relays and Instruments
42
Equipment Surfaces
42
Circuit Breaker Overhaul
43
Maintenance and Troubleshooting
43
Periodic Maintenance and Lubrication Tasks
44
Ordering Replacement Parts
47
Technical Ratings
48
Appendix
48
Control Data
49
Interrupting Capacity Auxiliary Switch Contacts
49
Type SDV7 Distribution Circuit Breaker Weight in Lbs (Kg)
49
Space Heater Data
49
Typical Control Schematic for Stored-Energy Operator
51
Typical Control Schematic for Magnetic-Actuator Operator
52
Controller Schematic for Magnetic-Actuator Operator
53
4
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Siemens SDV7 Specifications
General
Brand
Siemens
Model
SDV7
Category
Power distribution unit
Language
English
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