Eaton DSL series Manuals

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Eaton DSL series Instructions Manual (96 pages)

Low Voltage Power Circuit Breakers

Brand: Eaton | Category: Circuit breakers | Size: 9 MB

Table of Contents
3
Introduction
11
Ty Pe DS Breaker Ratings
11
General Description
12
- Basic Breaker Assembly
  12
- Arc Chutes
  12
- Optional Components
  12
- Accessories
  12
DSL Breakers - Current Limiting Ty Pe Breakers and Combinations
12
- Special Circuit Breakers: DS-206S and DS-416S
  13
Safety Features
14
Recommended Safety Practices
15
Section 1 -Receiving, Handling and Storing
16
Receiving and Handling
16
Storing
16
Weights: Circuit Breakers and Fuse Trucks
16
Approximate Weights
16
Section 2 -First Removal of Breaker from Compartment
17
General
17
Setting the Rails in Front of the Compartment
17
Removing Shipping Brace
17
- The Type DS Low Voltage Power Circuit Breaker Is Shipped Inside Its Own Compartment
  17
Lifting the Breaker
18
- Levering Device Crank Handle Installed
  18
- Use of Breaker Lifting Adapter
  18
View Showing Controls on the Panel (Pre 1988)
19
Section 3 -Preliminary Examination of Circuit Breaker
19
General
19
View Showing Controls on the Panel (Post 1988)
20
Left Side of Breaker with Levering Device Arm in REMOVE Position
21
DS 416 Breaker with Front Panel Removed
21
- Right Side Showing Levering Device Arm in TEST Position
  21
- Rear View Showing Levering Device Arm in CONNECT Position
  21
Independent Manual and Power-Operated Breakers
22
- Closing Facilities
  22
- Tripping Facilities
  22
Tr Ip Actuator
22
Levering Device
22
Undervoltage Tr Ip Device
22
Section 4 -Basic Operating Instructions
23
General
23
Levering Device
23
Charge the Closing Springs
23
- Method Used to Press Trip Plate and Lower Shutter with One Hand, Preparatory to Inserting Crank
  23
Close the Breaker
24
Open the Breaker
24
Place the Breaker in the Test Position
25
Place the Breaker in the Connect Position
25
Remove the Breaker for Final Inspection
25
Final Inspection
25
Amptector Trip Settings
25
Place the Breaker in Service
25
Rear of Power-Operated Mechanism
26
- Power-Operated Mechanism
  27
Section 5 -Description and Explanation of Operation
26
General
26
The Operating Mechanism and How It Works
26
Explanation of Spring-Charging Mechanism for Power-Operated Breakers
27
Arrangement of the Principal Parts of a Power Operated Mechanism
28
Power Operation
28
Front View Showing Major Parts of the Crank Shaft Assembly
29
Power-Operated Spring-Charge Details
30
Crank Shaft Assembly of Power-Operated Mechanism
31
Standard Schematic and Connection Diagrams for Power-Operated Breakers
32
Principal Parts in a Manually Charged Spring Operated Mechanism
33
Spring-Charging Mechanism on Manual Operated Breakers
34
Manual-Operated Mechanisms
34
Explanation of Spring-Charging Mechanism for Manually-O Perated Breakers
34
These Sketches Show the Four Basic Positions of Breaker and Linkage
35
Circuit Breaker Closing Mechanism
36
Circuit Breaker Tr Ipping or Opening Mechanism
37
Miscellaneous Details
38
DS-632 Breaker with Front Panel Removed
38
Front View Showing Close Bar Guard
39
Rear View Showing the Seismic Positioner
39
- Motor Cut-Off Switch and Other Details Not Visible from above
  39
Mechanical Interlocking, Description and Explanation of Operation
40
Drawout Unit Position Indicator
40
The REMOVE Position
41
The DISCONNECT Position
41
The TEST Position
41
The CONNECT Position
42
Detailed Explanation of Mechanical Interlock System
42
Spring Discharge Interlock
43
- Relation of Shutter, Interlock Cam, and Levering Device Arms
  44
Connected Breaker Manual Close Interlock
45
Close-Release Interlock to Discharge Springs on Levering out of Compartment and Conn. Position no Manual Close Interlock
45
Breaker Equipped for Electric Lockout
46
Close Interlock to Prevent Efforts to Close a Breaker that Is Already Closed
46
Closed Breaker Interlock
47
Padlocking Provision
47
Section 6 -Circuit Breaker Pole Units, Description and Operation
48
General
48
Moving Contact Sub-Assemblies
48
Three-Pole Assembly of DS-206 Pole Units on Frame
48
Three-Pole Assembly of DS-416 and DS-420 Pole Units on Frame
49
Stationary Contact Sub-Assemblies
50
Three-Pole Assembly of DS-632 Pole Units on Frame
50
- Three Pole Assembly of DS-840 Pole Units on Frame
  51
Type DS-206 Pole Unit Assembly - Front View
52
Type DS-206 Pole Unit Assembly - Rear View
53
Type DS-416 Pole Unit Assembly - Front View
54
Type DS-416 Pole Unit Assembly - Rear View
54
Type DS-420 Pole Unit Assembly - Front View
54
Type DS-420 Pole Unit Assembly - Rear View
54
Type DS-632 Pole Unit Assembly - Front View
55
Type DS-632 Pole Unit Assembly - Rear View
55
Type DS-840 Pole Unit Assembly - Front View
55
Type DS-840 Pole Unit Assembly - Rear View
55
Moving and Stationary Contact Details DS-206
56
Moving and Stationary Contact Details DS-416
57
Moving and Stationary Contact Details DS-420
58
Moving Contact Details DS-632
59
Stationary Contact Details DS-632
60
Moving Contact Details DS-840
61
Stationary Contact Details DS-840
62
Breaker with Barrier Removed to Show Mounting of Arc Chutes
63
DS-206 Arc Chute with Details
63
Section 7 -Arc Chute
63
General
63
DS-416/420 Arc Chute with Details
63
DS-632 Arc Chute with Details
63
DS-840 Arc Chute with Details
64
Section 8 -Circuit Breaker Automatic Tr Ipping System
65
General
65
The Amptector II-A Trip Unit
66
Optional Amptector I-A Solid-State Trip Unit
67
The Amptector I-A Trip Unit
67
Ground Fault Protection
71
Making Current Release (Discriminator)
71
Servicing of Amptector Trip Unit
72
Actuator
72
Sensors
72
DS-840 Breaker Rear View Showing Sensors
73
Optional Accessories
73
Frame Size and Sensor Ratings
73
Undervoltage Trip Attachment
74
Overcurrent Trip Switch
74
High Load Switch
75
High Load Switch (Available with Amptector L-A Only)
75
Latch Check Switch Operation
76
Auxiliary Switch Construction Details
76
Latch Check Switch
76
Auxiliary Switches
76
Amptector Trip Unit Test Kit (for Amptector I-A and II-A)
77
Amptector Trip Unit Test Kit
77
General
77
Description
77
Operation
77
Tes T Kit in Operation
78
Sensor and Limiter Ratings
79
DSL-206 Breaker Side View
79
Section 9 -DSL Circuit Breakers and Fuse Trucks
79
General
79
DSL Current Limiters
79
Blown Limiter Indicator
79
DSL-206 Breaker Front View (DSL-416 Similar)
80
DSL-416 Breaker Side View
80
Fuse Trucks
80
Installing Fuse Trucks
80
Blown Limiter Indicator
81
DS-3200 Fuse Truck Front View
81
Replacing Fuses
81
Blown Fuse Indicator
81
DS-3200 Fuse Truck with Front Cover Removed
82
DS-4000 Fuse Truck Side View
82
Section 10 -Fixed Breakers
83
General
83
Section 11 -Drawout Dummy Elements
83
Section 12 -Inspection and Maintenance
84
General
84
When to Inspect
85
What to Inspect
86
DS-206, DS-206S, DS-416, DS-416S, and DS-420
87
DS-632 and DS-840
88
Replacement of Contacts
88
DS-416, DS-416S, DS-420, DS-632, and DS-840
88
Arc Chutes
88
General Inspection
88
Power Operated Mechanisms
88
Factory Adjustments
89
Trip Latch Overlap
90
Breaker Open Position Stop (DS-632 Only)
90
Moving Contact Adjustment
90
Levering Mechanism
90
Lubrication
91
Frequency
91
Location and Lubricant
91
Section 13 -Renewal Parts
92
General
92
Identifying Parts for DS-416S and DS-206S
92
DS-416S Parts
92
DS-206S Parts
92

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