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DB-50
Westinghouse DB-50 Manuals
Manuals and User Guides for Westinghouse DB-50. We have
6
Westinghouse DB-50 manuals available for free PDF download: Instructions Manual, Instruction Book, User Manual
Westinghouse DB-50 Instructions Manual (38 pages)
Air Circuit Breakers
Brand:
Westinghouse
| Category:
Circuit breakers
| Size: 2.12 MB
Table of Contents
Table of Contents
2
Receiving, Handling, and Storing
6
Inspection
6
Storing
6
Part Installation
7
Connections
7
Maintenance
9
Pole Unit
9
Contacts
9
Maintenance of Contacts
9
Operating Mechanism
9
Closing Solenoid
9
Overcurrent Tripping Device
12
Installation and Removal
13
Overtravel Adjus Tment
13
Construction
14
Cross-Sectional View of Series Overcurrent Tripping Device
14
With Long Delay and Instantaneous Elements
14
Time-Current Classification
15
Operation 1
15
Tripping Characteristics of Standard Series Overcurrent Tripping Device with Long Delay and Instantaneous
16
Time-Current Characteristics
17
Adjustment of Calibration Settings
17
Tripping Characteristics of Special Series Overcurrent
21
With Instantaneous Element Only
21
Tripping Characteristics of Selective Series Overcurrent
22
Discriminator for Tripping Device
24
Control Relay
25
Shunt Trip a Ttachment
27
Shunt Trip Attachment - Construction Details
27
Undervoltage Trip a Ttachment 2
28
Reverse Current Trip Attachment
28
Field Discharge Switch
29
Reverse Current Trip Attachment - Construction Details
30
Auxiliary Switch
31
Alarm Switch Attachment
31
E Lectric Lockout Attachment
31
- Field Discharge Switch - Construction D Etails
32
Auxiliary Switch - Construction Details
32
Key Lock Attachment
33
Key Interlock Attachment 3
33
Alarm Switch Attachment- Construction Details
33
Key Lock or Key Interlock Attachment - Construction Details
35
Rectifier Unit for A-C Undervoltage and A-C Electric Lockout
36
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Westinghouse DB-50 Instructions Manual (40 pages)
Brand:
Westinghouse
| Category:
Circuit breakers
| Size: 2.28 MB
Table of Contents
Table of Contents
2
Inspection
5
Storing
5
Part Installation
6
Connections
6
Part Maintenance
9
Pole Unit
9
Maintenance of Contacts
9
Operating Mechanism
9
Closing Solenoid
9
Overcurrent Tripping Device 1
12
Installation and Removal
14
Overtravel Adjustment
14
Series Overcurrent Tripping Device Showing the Assembly
14
Construction
15
Cross- Sectional View of Series Overcurrent Tripping Device
15
Trippin G Characteristic S of Standard Series Overcurrent Tripping Device with Long Delay and Instantaneous
17
Tripping Characteristics of Special Series Overcurrent
19
With Instantaneous Element Only
19
Time-Current Characteristics 2
21
Adjustment of C Alibration Settings
21
Delay Elements
22
Discriminator for Tripping Device
23
Control Relay
24
Closing Solenoid - Construction Details
24
Control Relay - Adjustment and Construction Details
25
Shunt Trip Attachment
26
Undervoltage Trip Attachment
27
Undervoltage T Ime Delay Attachment
27
Reverse Current Trip Attachment . 2
27
Auxiliary Switch . 3
30
Alarm Switch Attachment
30
E Lectric Lockout Attachment
30
Key Interlock Attachment . 3
32
Electric Lockout Attachment - Construction Details
33
Westinghouse DB-50 Instructions Manual (40 pages)
Air Circuit Breakers
Brand:
Westinghouse
| Category:
Circuit breakers
| Size: 1.25 MB
Table of Contents
Table of Contents
2
Part 1 - Receiving, Handling, and Storing
5
Inspection
5
Part 2 - Installation
6
Connections
6
Type DB-50 Fixed Circuit Breaker Outline Dimensions and Mounting Details
7
Part 3 - Maintenance
9
Pole Unit
9
Contacts
9
Maintenance of Contacts
9
Operating Mechanism
9
Cross-Sectional View of Type DB-50 Circuit Breaker
11
Cross-Sectional View of Series Overcurrent Tripping Device
15
With Long Delay and Instantaneous Elements
15
Tripping Characteristics of Standard Series Overcurrent
17
Tripping Device with Long Delay and Instantaneous
17
Tripping Characteristics of Selective Series Overcurrent
18
Tripping Characteristics of Special Series Overcurrent
19
Closing Solenoid
25
Control Relay
25
Shunt Trip Attachment
26
Undervoltage Trip Attachment
27
Undervoltage Time Delay Attachment
27
Reverse Current Trip Attachment
27
Undervoltage Trip Attachment - Construction Details
28
Field Discharge Switch
28
Auxiliary Switch
30
Electric Lockout Attachment
30
Breaker
31
Field Discharge Switch - Construction Details
31
Auxiliary Switch - Construction Details
31
Alarm Switch Attachment - Construction Details
32
Electric Lockout Attachment - Construction Details
33
Rectifier Unit for A-C Electric Lockout Attachment
34
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Westinghouse DB-50 Instructions Manual (39 pages)
Air Circuit Breakers
Brand:
Westinghouse
| Category:
Circuit breakers
| Size: 1.5 MB
Table of Contents
Table of Contents
2
Part 1 - Receiving, Handling, and Storing
5
L Nspecti on
5
Storing
5
Part 2 - Installation
6
Part 3 - Maintenance
9
Pole Unit
9
Contacts
9
Maintenance of Contacts
9
Operating Mechanism
9
(Closing Spring Mechanism) Spring Closing Assembly
9
Closing Solenoid
9
Overcurrent Tripping Device
14
Installation and Hemoval
14
Overtravel Adjustment
14
Construction
15
Time-Current Classification
16
Operation
16
Time-Current Characteristics
21
Adjustment of Calibration Settings
21
Auxiliary Switch
31
Westinghouse DB-50 User Manual (28 pages)
Brand:
Westinghouse
| Category:
Other
| Size: 1.59 MB
Table of Contents
Safety Precautions
2
Assembling
3
Digitrip Retrofit Kit Installation Components for 8 DB-SO Breakers
10
Typical Retrofit Kit
11
Supplemental Instructions for Westinghouse DB-50 Retrofit Kits
25
Westinghouse DB-50 Instruction Book (32 pages)
Air Circuit Breaker
Brand:
Westinghouse
| Category:
Circuit breakers
| Size: 2.49 MB
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