Eaton 50 VCP-TR16, Instructions For The Use

Instruction Book                                                                                       

Page iv

Effective: November 2017 

For more information visit: 

www.Eaton.com

 IB131016EN 

TABLE OF CONTENTS 

Page 

SECTION 1: INTRODUCTION 

1-1 

VCP-T and VCP-TR Vacuum Circuit Breaker Ratings .................................................................................................................................. 1 

1-2 

Types VCP-T and VCP-TR Outlines and Dimensions  ................................................................................................................................. 4 

SECTION 2: SAFE PRACTICES 

SECTION 3: RECEIVING, HANDLING AND STORAGE 

3-1 Receiving 

..................................................................................................................................................................................................... 12 

3-2 Handling 

....................................................................................................................................................................................................... 12 

3-2.1 Unpacking 

.................................................................................................................................................................................. 12 

3-2.2 

Lifting (up to 25kA) ..................................................................................................................................................................... 13 

3-2.3 

Lifting (up to 40kA) ..................................................................................................................................................................... 13 

3-3 Storage 

....................................................................................................................................................................................................... 14 

3-4 

Typical Breaker and Cassette Weights  ...................................................................................................................................................... 15 

SECTION 4: INSTALLATION AND WIRING 

4-1 Initial 

Inspection 

......................................................................................................................................................................................... 22 

4-2 Electrical 

Clearances  ................................................................................................................................................................................. 22 

4-3 Interphase 

Barriers 

...................................................................................................................................................................................... 22 

4-4 

Front Cover  ................................................................................................................................................................................................ 22 

4-5 

Installing Fixed Circuit Breaker  .................................................................................................................................................................. 22 

4-5.1 

Fixed Mechanical Interfaces  ...................................................................................................................................................... 22 

4-5.2 Fixed 

Electrical Interfaces  ......................................................................................................................................................... 22 

4-6 Installing 

Drawout Circuit Breaker ............................................................................................................................................................... 23 

4-6.1 

Drawout Mechanical Interfaces  ................................................................................................................................................. 23 

4-6.2 Circuit 

Breaker Positioning  ........................................................................................................................................................ 24 

4-6.3 

Drawout Electrical Interfaces  ..................................................................................................................................................... 26 

4-6.4 

Levering Circuit Breaker  ............................................................................................................................................................ 28 

SECTION 5: DESCRIPTION AND OPERATION 

5-1 Introduction 

................................................................................................................................................................................................ 31 

5-2 

Vacuum Interrupter Assembly  .................................................................................................................................................................... 31 

5-2.1 

Contact Erosion Indicator (up to 25kA)  ...................................................................................................................................... 34 

5-2.2 

Contact Wipe and Stroke (up to 25kA)  ...................................................................................................................................... 34 

5-2.3 

Contact Wipe and Erosion (up to 40kA) ..................................................................................................................................... 34 

5-3 

Stored Energy Mechanism  ......................................................................................................................................................................... 35 

5-3.1 

Manual Operation  ...................................................................................................................................................................... 35 

5-3.2 

Electrical Operation  ................................................................................................................................................................... 36 

5-3.3 

Trip Free Operation  ................................................................................................................................................................... 36 

5-3.4 Anti-Pump 

Feature 

.................................................................................................................................................................... 36 

5-3.5 

Latch Check Switch  ................................................................................................................................................................... 36 

5-3.6 Mechanical 

Interlocks 

................................................................................................................................................................ 36 

5-4 Connection 

Diagrams 

................................................................................................................................................................................... 37 

5-4.1 Timing 

......................................................................................................................................................................................... 37 

5-4.2 Sensors 

........................................................................................................................................................................................ 37 

5-5.4 Trip 

Actuator 

............................................................................................................................................................................... 37 

5-6 Accessory 

Devices 

Secondary Connections ................................................................................................................................................ 43 

5-5 

Electronic Tripping System  .......................................................................................................................................................................... 43 
5-5.1 

Microprocessor-Based Trip Unit .................................................................................................................................................. 44 

5-5.2 

Rating Plug  ................................................................................................................................................................................. 44 

5-5.3 Current 

......................................................................................................................................................................................... 45 

5-6.1 

Plug-in Electrical Accessories...................................................................................................................................................... 46 

5-6.2 

Internal Electrical Accessories ..................................................................................................................................................... 47 

5-6.3 Mechanical 

Accessories  ............................................................................................................................................................. 49 

SECTION 6: INSPECTION AND MAINTENANCE 

6-1 Introduction 

.................................................................................................................................................................................................. 50 

6-2 

Frequency of Inspection and Maintenance  ................................................................................................................................................. 50