Westinghouse DBF-40 Air Circuit Breaker Manuals

Manuals and User Guides for Westinghouse DBF-40 Air Circuit Breaker. We have 3 Westinghouse DBF-40 Air Circuit Breaker manuals available for free PDF download: Instructions Manual, Manual

Westinghouse DBF-40 Instructions Manual (36 pages)

Air Circuit Breakers

Brand: Westinghouse | Category: Circuit breakers | Size: 5 MB

Table of Contents
2
Inspection
7
Receiving, Handling and Storing
7
Storing
7
- Cuit Breakers
  7
- Installation
  8
Connections
8
Enclosures
8
- Typical
  13
Operating Mechanism
14
- Cross-Sectional View
  15
Part Three MAINTENANCE
14
Pole Unit
14
- Contacts
  14
- Maintenance of Contacts
  14
Closing Solenoid
17
- Adjusting Limits
  17
Overcurrent Tripping Device
18
- Description
  18
- Construction
  18
- Installation and Removal
  18
- Adjustment of Trip Screw
  19
- Operation
  20
  - Standard Overcurrent Tripping Device
    20
- Schematic and Typical Time-Current
  20
  - Selective Overcurrent Tripping Device
    21
  - Instantaneous Overcurrent Tripping Device (Single Element)
    22
- Time-Current Characteristics
  22
- Calibration
  23
- I Ntenance
  23
Control Relay
24
- Inspection
  24
- Maintenance
  24
Shunt Trip
24
Shunt Trip Attachment
24
Undervoltage Trip Attachment
24
- Element Only
  24
Alarm Switch Attachment
26
- Maintenance
  29
Auxiliary Switch
26
Undervoltage Time Delay Attachment
26
- Inspection
  26
- Maintenance
  26
Alarm Switch
29
Electric Lockout Attachment
29
- Inspection
  29
Electrical Lockout
29
- Maintenance
  30
Key Lock Attachment
29
Key Interlock Attachment
30
- Inspection
  30
Key Lock or
30
- Maintenance
  31
Rectifier Unit for A-C Undervoltage and A-C Electric Lockout Attachments
30
Reverse Current Trip Attachment
30
Rectifier Unit
31
Field Discharge Switch
33
Recommended Spare Parts
34

Westinghouse DBF-40 Instructions Manual (38 pages)

Air Circuit Breakers

Brand: Westinghouse | Category: Circuit breakers | Size: 2 MB

Table of Contents
2
Inspection
3
Part Three
3
- Maintenance
  19
- Adjustment of Trip Screw
  19
- Tripping Device ( Single Element )
  19
- Time Current Characteristics
  24
- Maintenance
  24
Control Relay
24
- Inspection
  24
Undervoltage Trip Attachment
24
Auxiliary Switch
24
- Maintenance
  32

Westinghouse DBF-40 Manual (36 pages)

Air Circuit Breakers

Brand: Westinghouse | Category: Circuit breakers | Size: 20 MB

Table of Contents
3
Alarm Switch Attachment
26
- Inspection
  26
- Maintenance
  26
- Maintenance
  27
- Maintenance
  31
- Inspection
  33
- Maintenance
  33
Field Discharge Switch
33
Recommended Spare Parts
34

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Westinghouse DBF-40 Air Circuit Breaker Manuals

Westinghouse DBF-40 Instructions Manual (36 pages)

Table of Contents

Westinghouse DBF-40 Instructions Manual (38 pages)

Table of Contents

Westinghouse DBF-40 Manual (36 pages)

Table of Contents

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