I-Gard GCHK-100 Instruction Manual Download Page 16 | Manualshive

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I-GARD GCHK-100 Instruction Manual

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outline dimenSionS

Figure 11.1 GCHK-100 Main Relay Outline Dimensions (inches)

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0.25

3.50

0.19

4.20

5.90

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4.72

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Summary of Contents for GCHK-100

Page 1: ...Instruction Manual C 407 ground fault protection SYSTEM GCHK 100 GCHK 100 mining relay the power to protect...

Page 2: ...ed are not to be installed immediately they should be stored in their original packaging in an area free of dust and moisture important In our continuing effort to bring new and innovative products to...

Page 3: ...el 5 Figure 6 1 Connection Diagram 6 Figure 11 1 GCHK 100 Main Relay Outline Dimensions inches 14 Figure 11 2 mGARD SYM LCD Remote Indicator Dimensions inches 15 Figure 11 3 GCHK DRI LED Remote Indica...

Page 4: ...cation Ground Fault detection requires the use of current sensors and the GCHK 100 is designed to operate with I Gard TxA type sensors or a wide variety of sensors with ratios of 1000 1 600 1 and 40 1...

Page 5: ...Startco Surge protection is built into the relay please refer to the electrical specifications data for withstand ratings ZSCS with or without built in protection can be used with the GCHK 100 relay...

Page 6: ...00 to a panel or remote location Press the yellow button once to reset the relay or twice quickly to test Warning a test will cause the GCHK 100 to trip Figure 5 1 GCHK DRI label mGARD SYM The mGARD S...

Page 7: ...status and fault levels as well as remote reset For more information on the mGARD SYM display refer to the mGARD SYM manual C 416EM R0 6 INSTALLATION Mounting The main unit of the GCHK 100 is supplie...

Page 8: ...nding on the ratio of the chosen sensor All phases supplied to the trailing cable must pass through the window of the ZSCS which must be sized accordingly I Gard sensors range from 2in to 9in in diame...

Page 9: ...See Table 7 1 Normal mode is with a non energized TRIP relay which becomes energized when the trip level is exceeded for a duration exceeding the selected time delay Alternatively the FAILSAFE mode ca...

Page 10: ...s Function Setting 1 2 3 4 5 6 7 Switch2 0 25A 0 0 0 0 Ground Fault 0 25 A 0 0 0 0 Pickup 0 5 A 0 0 0 X Settings 0 75 A 0 0 X 0 IG 1 A 0 0 X X 1 25 A 0 X 0 0 1 5 A 0 X 0 X 2 A 0 X X 0 2 5 A 0 X X X 3...

Page 11: ...ter begins to time the trip interval If the ground fault disappears for the duration specified in the table below or more the timer is reset and the relay does not trip Table 7 4 Ground Fault Delay Re...

Page 12: ...ed in the operation of the GCHK 100 relay to detect if the frame to ground voltage of the mobile equipment has exceeded preset levels The voltage detection will operate within 100 ms quicker than the...

Page 13: ...g regular switchboard maintenance DANGER Hazard of Electrical Shock Burn or Explosion All installation servicing and testing referred to in this manual must be performed by qualified personnel All pow...

Page 14: ...ays but one way is to apply a test fault resistor to the system with the oscilloscope connected to a current transformer arranged to measure fault current The Delay time will be the time that the curr...

Page 15: ...e 20 or 3 Ohms Delay for open loop and or shorted terminator 150 ms to 300 ms Fuse Amp time delay Bussman FNQ LittelFuse FLQ Edison MEQ Operating Mode Manual Reset or Auto Reset Induced AC Withstand 3...

Page 16: ...I GARD GCHK 100 Instruction Manual 14 11 OUTLINE DIMENSIONS Figure 11 1 GCHK 100 Main Relay Outline Dimensions inches 5 50 0 20 0 25 3 50 0 19 4 20 5 90 4 00 0 15 4 72...

Page 17: ...ote Indicator Dimensions inches 5 16 5 16 2 15 3 94 3 94 0 41 3 94 3 94 0 41 Figure 11 3 GCHK DRI LED Remote Indicator Dimensions inches 4 34 0 35 3 87 0 61 0 26 0 64 3 05 1 92 0 14 1 18 2 29 4 34 2 2...

Page 18: ...I GARD GCHK 100 Instruction Manual 16 Figure 11 4 GCHK ZT Zener Diode Line Terminator Outline Dimensions inches 1 16 2 65 1 38 0 19...

Page 19: ...RM Sigma Resistor Monitoring and Ground Fault Relay C 322 MGFR Ground Fault Relay Manual C 409 DSP Ohmni High Resistance Grounding System Manual C 102 Gemini High Resistance Grounding System Manual C...

Page 20: ...the power to protect...

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