User Manuals: Eaton Cutler-Hammer 50 VCP-WR 350 Breaker

Manuals and User Guides for Eaton Cutler-Hammer 50 VCP-WR 350 Breaker. We have 1 Eaton Cutler-Hammer 50 VCP-WR 350 Breaker manual available for free PDF download: Instructions For The Use, Operation And Maintenance

Eaton Cutler-Hammer 50 VCP-WR 350 Instructions For The Use, Operation And Maintenance

Eaton Cutler-Hammer 50 VCP-WR 350 Instructions For The Use, Operation And Maintenance (71 pages)

Fixed Vacuum Circuit Breaker Elements

Brand: Eaton | Category: Circuit breakers | Size: 4 MB

Table of Contents

Table of Contents
4
Section 1 Introduction
7
Type VCP-WR (Red Line Series) Ratings
7
Type VCP-WR Outlines and Dimensions
9
Section 2 Safe Practices
21
Section 3 Receiving, Handling and Storage
22
Receiving
22
Handling
22
Storage
22
Type VCP-WR Breaker Weights
23
Front View VCP-WR Series 18
24
Rear View VCP-WR Series 18
25
Front View VCP-WR Series 20
26
Front View VCP-WR Series 29
28
Rear View VCP-WR Series 29
29
Typical VCP-WR Escutcheon
30
Section 4 Inspection and Operation
31
Initial Inaspection
31
Manual Operation Check
31
Interface Verification
31
Section 5 Description and Operation
32
Circuit Breaker Element
32
Interrupter Assembly
32
- 5-2.1 Vacuum Interrupter
  32
Typical VCP-WR Front Mounted Mechanism
33
Stored Energy Mechanism
35
- 5-3.1 Operation of Stored Energy Mechanism
  35
- 5-3.2 Charging
  36
- 5-3.3 Closing Operation
  36
- 5-3.4 Tripping Operation
  36
- 5-3.5 Trip Free Operation
  36
Control Scheme
36
Closing Cam and Trip Linkage
37
Charging Schematic
38
- 5-4.1 Timing
  39
- 5-4.2 Secondary Disconnects
  39
Operations Counter
39
Section 6 Breaker Element Interfacing
40
Introduction
40
General Guidelines
40
Series 18 Breaker Element Interfaces
41
Series 20 Breaker Element Interfaces
43
Series 29 Breaker Element Interfaces
45
Series 29 Primary Connection
46
Section 7 Inspection and Maintenance
47
- Introduction
  47
- Frequency of Inspection
  47
- Inspection and Maintenance Procedures
  48
- Vacuum Interrupter Integrity Test
  49
- Contact Erosion and Wipe
  50
- Insulation
  51
- Insulation Integrity Check
  51
- Primary Circuit Resistance Check
  51
- Mechanism Check
  51
- Lubrication
  51
Wipe Indication Procedure
52
- Troubleshooting Chart
  53
Section 8 Renewal Parts
56
General
56
Ordering Instructions
56

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