Schweitzer Engineering Laboratories SEL-300G - Current Transformer Inputs (Connectorized Models)

SEL-300G Instruction Manual Date Code 20020206
TABLE OF CONTENTS
SECTION 5: INSTALLATION .............................................................5-1
Relay Mounting.............................................................................................................................5-1
Making Rear-Panel Connections.................................................................................................5-12
Required Equipment and General Connect Information.....................................................5-12
Models 0300G_W and 0300G_Y (Connectorized).....................................................5-12
Wiring Harness....................................................................................................5-12
Models 0300G_0 and 000G_1 (screw-terminal blocks) .............................................5-15
Chassis Ground ...................................................................................................................5-15
Models 0300G_W and 000G_Y..................................................................................5-15
Models 0300G_0 and 0300G_1...................................................................................5-15
Power Supply ......................................................................................................................5-15
Models 0300G_W and 0300G_Y................................................................................5-15
Models 0300G_0 and 000G_1.....................................................................................5-15
Output Contacts...................................................................................................................5-15
Models 0300G_0H, 0300G_03, 0300G_WH, and 0300G_W3 ..................................5-15
Models 0300G_1H, 0300G_13, 0300G_YH, and 0300G_Y3 ....................................5-16
Standard Output Contacts............................................................................................5-16
High Current Interrupting Output Contacts.................................................................5-16
Optoisolated Inputs .............................................................................................................5-17
Current Transformer Inputs (screw-terminal block models)...............................................5-17
Models 0300G0, 0300G1, 0300G2, and 0300G3........................................................5-17
Models 0300G1 and 0300G3.......................................................................................5-17
Current Transformer Inputs (Connectorized
®
models) .......................................................5-17
Models 0300G0, 0300G1, 0300G2, and 0300G3........................................................5-17
Models 0300G1 and 0300G3.......................................................................................5-18
Potential Transformer Inputs...............................................................................................5-18
Serial Ports ..........................................................................................................................5-18
IRIG-B Time-Code Input ....................................................................................................5-19
Example AC and DC Connection Diagrams...............................................................................5-20
Circuit Board Jumpers and Battery.............................................................................................5-26
Accessing the Relay Main Board (All Models) and Extra I/O Board (Models
0300G_1 and 0300G_Y) .............................................................................................5-26
Output Contact Jumpers......................................................................................................5-29
“Extra Alarm” Output Contact Control Jumper..................................................................5-29
Password and Breaker Jumpers...........................................................................................5-30
EIA-232 Serial Port Voltage Jumpers.................................................................................5-31
Condition of Acceptability for North American Product Safety Compliance ............5-31
Clock Battery.......................................................................................................................5-32