GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series User Manual

LIST OF FIGURES
Figure 2.1 Physical Dimensions.........................................................................................................................2-1
Figure 2.2a Phase CT Dimensions.....................................................................................................................2-2
Figure 2.2b Ground CT (50:0.025) 3” and 5” window.........................................................................................2-3
Figure 2.2c Ground CT (50:0.025) 8” window....................................................................................................2-4
Figure 2.2d Ground CT (x:5) Dimensions...........................................................................................................2-5
Figure 2.3 Relay Mounting.................................................................................................................................2-6
Figure 2.4 Relay Wiring Diagram (AC Control Power)........................................................................................2-8
Figure 2.5 Output Relay Contact States.............................................................................................................2-9
Figure 2.6 Relay Wiring Diagram (Two Phase CTs)..........................................................................................2-10
Figure 2.7 Relay Wiring Diagram (DC Control Power).......................................................................................2-11
Figure 2.8 Replacing a blown fuse...................................................................................................................2-13
Figure 2.9a Core Balance Ground CT Installation using Shielded Cable...........................................................2-14
Figure 2.9b Core Balance Ground CT Installation using Unshielded Cable.......................................................2-14
Figure 2.10 RTD Wiring...................................................................................................................................2-17
Figure 2.11 269 Drawout Relay Physical Dimensions.......................................................................................2-20
Figure 2.12 269 Drawout Relay Mounting........................................................................................................2-21
Figure 2.13 269 Drawout Relay Typical Wiring Diagram..................................................................................2-22
Figure 2.14 Control Power Wiring....................................................................................................................2-23
Figure 2.15 MPM and 269 Communication Wiring...........................................................................................2-24
Figure 2.16 MPM Mounting Dimensions...........................................................................................................2-25
Figure 2.17 MPM to 269 Typical Wiring (4-wire Wye, 3 VTs)............................................................................2-26
Figure 2.18 MPM to 269 Typical Wiring (4-wire Wye, 2 VTs)............................................................................2-27
Figure 2.19 MPM to 269 Typical Wiring (3-wire Delta, 2 VTs)...........................................................................2-28
Figure 2.20 MPM to 269 Typical Wiring (2 CT).................................................................................................2-29
Figure 2.21 MPM Wiring (Open Delta).............................................................................................................2-30
Figure 3.1 Front Panel Controls and Indicators..................................................................................................3-1
Figure 3.2 Wiring Diagram for Contactors........................................................................................................3-47
Figure 3.3 Wiring Diagram for Breakers...........................................................................................................3-48
Figure 3.4 Standard Overload Curves with Overload Pickup............................................................................3-51
Figure 3.5 Standard Overload Curves..............................................................................................................3-54
Figure 3.6 Hot Motor Thermal Capacity Reduction...........................................................................................3-55
Figure 3.7 Power Measurement Conventions...................................................................................................3-59
Figure 3.8.........................................................................................................................................................3-60
Figure 4.1 Secondary Injection Test Set (AC Input to 269 Relay)........................................................................4-2
Figure 4.2 Secondary Injection Test Set (DC Input to 269 Relay).......................................................................4-3
Figure 5.1 Hardware Block Diagram...................................................................................................................5-2
Figure 5.2 Firmware Block Diagram...................................................................................................................5-4
Figure 6.1 Thermal Limit Curves........................................................................................................................6-2

GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Specifications

General

Brand	GE
Model	MULTILIN 269 MOTOR MANAGEMENT RELAY Series
Category	Relays
Language	English