Eaton MDN-408 Instructions For Installation, Operation And Maintenance page 6

Instruction Book
Page vi
Effective: May 2006
Figure Title
1-1 Magnum DS Family of Low Voltage Power Fixed and Drawout Circuit Breakers (800-5000 Amperes) ..1
1-2 Typical Magnum Nameplate ....................................................................................................................2
1-3 & 1-4 Sample Designation Examples ................................................................................................................3
1-5 Typical Magnum DSL (MDSL) Drawout Breaker with Integral Current Limiters ......................................3
2-1 Shipping Clamps for Drawout Circuit Breaker ..........................................................................................4
2-2 Magnum DS Circuit Breaker with Lifting Yoke Attached ..........................................................................5
2-3 Rear View Showing Current Sensor Rating Through Viewing Window ....................................................6
2-4 One Side of Drawout MDS Circuit Breaker Properly Seated on Extension Rail ......................................6
2-5 Cassette Rejection Interlock Pin Positioning/Installation ..........................................................................7
2-6 Remove Position ......................................................................................................................................8
2-7 Disconnect Position ..................................................................................................................................8
2-8 Test Position ............................................................................................................................................8
2-9 Connect Position ......................................................................................................................................9
2-10 Cassette Label Showing Disconnected, Test and Connected Position of Recessed Cover ....................9
2-11 Levering Position Indication ....................................................................................................................10
2-12 Typical Fixed Magnum DS Circuit Breaker ............................................................................................10
3-1 Typical MDS Drawout Circuit Breaker Features (Front and Rear Views) ..............................................11
3-2 Typical MDS Fixed Circuit Breaker Features (Front and Rear Views)....................................................12
3-3 Typical MDSL Drawout Circuit Breaker Features (Front and Rear Views) ............................................12
3-4 Typical Double-wide MDS Standard Frame Circuit Breaker Features (Front and Rear Views)..............13
3-5 Typical Magnum DS Drawout Circuit Breaker Front Cover ....................................................................14
3-6 Typical Magnum Construction (Right Side View)....................................................................................15
3-7 Features of Magnum Moving Conductor Assembly ................................................................................15
3-8 Narrow Frame (8-finger) Moving Conductor Assembly ..........................................................................16
3-9 Standard Frame (12-finger) Moving Conductor Assembly......................................................................16
3-10 Parital Cross-Sectional View (Shown in Closed Position) ......................................................................16
3-11 Electrically Operated Drawout MDS Circuit Breaker with Front Cover Removed ..................................17
3-12 Circuit Breaker Closing Springs Being Manually Charged......................................................................18
3-13 Electrical Motor Operator to Charge Closing Spring ..............................................................................18
3-14 Cross Section of Conductor and Arc Control System ............................................................................19
3-15 Integral Arc Runner as Viewed From Top of Arc Chamber
(Arc Chute Removed and Circuit Breaker Closed) ................................................................................19
3-16 Magnum Arc Plate Assembly ..................................................................................................................19
3-17 Pictorial Diagram of Typical Current Sensing, Processing and Tripping System....................................20
3-18 Digitrip RMS 1150 Programmable Trip Unit Installed in Magnum DS Circuit Breaker............................21
3-19 Hand Held Tester ....................................................................................................................................21
3-20 Replaceable Current Sensors Shown with Bottom Adapters and Cover Plate Removed ......................22
3-21 Line Side Voltage Tap for 1150 Trip Unit ................................................................................................23
3-22 Top View Secondary Connectors............................................................................................................23
3-23 Secondary Connector Protective Hood ..................................................................................................23
3-24 Cassette Mounted Secondary Wiring ......................................................................................................24
3-25 AMP Secondary Wiring Removal Tool.....................................................................................................24
3-26 Digitrip Connection Diagrams .................................................................................................................25
thru
3-46 Digitrip Connection Diagrams .................................................................................................................45
3-34 Through-the-Window Electrical Accessories ...........................................................................................46
3-35 Shunt Trip with Cutoff Switch...................................................................................................................46
3-36 Shunt Trip Switch Installed ......................................................................................................................46
3-37 Spring Release with Optional Latch Check Switch ..................................................................................47
3-38 Undervoltage Release Device .................................................................................................................47
FIGURES
For more information visit: www.EatonElectrical.com
Page
I.B. 2C12060H08