Table
of
Contents
Description
Introduction
.........................................................................
.
General Description
..................................................................
.
Basic Breaker Assembly
.........................................................
.
Arc Chutes
...................................................................
.
Optional Components
...........................................................
.
Accessories
...................................................................
.
Special Circuit Breakers: DS-206S and DS-416S
......................................
.
Safety Features
......................................................................
.
Recommended Safety Practices
.........................................................
.
Section 1 -Receiving, Handling
and
Storing
................................................
.
1.0 Receiving And Handling
......................................................
.
1.1
Storing
...................................................................
.
1.2 Weights: Circuit Breakers And Fuse Trucks
.......................................
.
Section 2 -First Removal of Breaker from Compartment
.......................................
.
2.0 General
...................................................................
.
2.1
Setting The Rails
In
Front Of The Compartment
...................................
.
2.2 Removing Shipping Brace
....................................................
.
2.3 Lifting The Breaker
..........................................................
.
Section 3 -Preliminary Examination of Circuit Breaker
........................................
.
3.0 General
...................................................................
.
3.1
Independent Manual And Power-operated Breakers
................................
.
3.1.1
Closing Facilities
...........................................................
.
3.1.2 Tripping Facilities
...........................................................
.
3.2 Levering Device
.....................................
·
.......................
.
Section 4 -Basic Operating Instructions
....................................................
.
4.0 General
...................................................................
.
4.1
Levering Device
............................................................
.
4.2 Charge The Closing Springs
..................................................
.
4.3 Close The Breaker
..........................................................
.
4.4 Open The Breaker
..........................................................
.
4.5 Place The Breaker
In
The Test Position
...........................................
.
4.6 Place The Breaker
In
The Connect Position
......................................
.
4.7 Remove The Breaker For Final Inspection
........................................
.
4.8 Final Inspection
............................................................
.
4.9 Amptector Trip Settings
......................................................
.
4.10 Place The Breaker
In
Service
..................................................
.
Section 5 -Description and Explanation of Operation
.........................................
.
5.0 General
...................................................................
.
5.1
The Operating Mechanism And How It Works
.....................................
.
5.1.1
Power-Operated Mechanism
..................................................
.
5.1.2 Explanation of Spring-Charging Mechanism for Power-Operated Breakers
..............
.
5.1
.2.1
Power Operation
...........................................................
.
5.1.3 Manual-Operated Mechanisms
................................................
.
5.1.4 Explanation of Spring-Charging Mechanism for Manually-Operated Breakers
............
.
5.1.5 Circuit Breaker Closing Mechanism
............................................
.
5.1.6 Circuit Breaker Tripping or Opening Mechanism
...................................
.
Effective
October
1998
Pagei
Page
1
2
2
2
2
2
3
4
5
6
6
6
6
7
7
7
7
8
9
9
11
11
11
11
12
12
12
12
13
13
14
14
14
14
14
14
15
15
15
16
16
17
23
23
25
26
Courtesy of NationalSwitchgear.com