I-Gard GCHK-100, Instruction Manual

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GCHK-100 Instruction Manual I-GARD
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Control power:
5VA AC or 5W DC
110-240 V AC/DC,
50/60 Hz
Maximum Range:
-45% to +10% (60-264 V AC/DC)
temperature Range (Celsius):
Operating Temperature: -40 to +60
Storage Temperature: -40 to +80
dielectric:
Relay contacts to chassis:
1480V rms. for 1 minute
Control terminals to chassis:
1480V rms. for 1 minute
ground fault:
Pickup Settings (Amps):
¼, ½, ¾, 1, 1¼, 1½, 2, 2½, 3, 5, 7½, 10, 12½
Pickup tolerance:
–15%, +0%
Delay Settings (Sec.):
0.02, 0.1, 0.2, 0.5, 1, 2, 5, 10
Delay tolerance:
–2, +5 ms or ±2.5% whichever is greater
thermal Withstand:
5000 Amps for ¹/³ seconds
Harmonic Filter:
Low pass analog filter
Zero Sequence Sensors:
Toroidal, with window diameter up to 225 mm.
Ratios supported:
Any I-Gard T type ZSCS (e.g. T2-A, T3-A, T6-A and T9-A)
1000:1, 600:1 and 40:1
(Input impedance 50, 50 and 1 ohm respectively.)
ground Check:
Pickup Settings (ohms):
10, 20, 30, 50 ohms
Pickup tolerance:
±20% or 3 Ohms
Delay (for open loop and/or shorted terminator):
150 ms to 300 ms
Fuse (½ Amp, time-delay):
Bussman FNQ ½
LittelFuse FLQ ½
Edison MEQ ½
operating Mode:
Manual Reset or Auto Reset
Induced AC Withstand:
30V Continuous (at 25°C ambient)
50V for 10 minutes (at 25°C ambient)
60V for 5 minutes (at 25°C ambient)
100V for 20s
frame Voltage:
Pickup Settings (AC Volts rms.):
40, 60, 80, 100
Pickup tolerance:
–15%, +0%
Delay (Sec.):
0.1 ±5% if voltage < 100 V AC.
Less than 0.03 if voltage
≥
100 V AC.
output Contacts:
Main trip Relay:
type: Form Z (NO and NC pair)
Rating:
10A @ 250V AC,
10A @ 30V DC,
½ HP @ 240V AC
Auxiliary Ground Fault Relay:
type: 1 Form C (NO/NC)
Rating:
10A @ 240V AC,
8A @ 24V DC, ½ HP @ 240V AC
Auxiliary Ground Check Relay:
type: 1 Form C (NO/NC)
Rating:
10A @ 240V AC,
8A @ 24V DC,
½ HP @ 240V AC
terminal Contact Material:
Clamping screw: nickel-plated brass
Plug contacts: tin-plated bronze
physical:
Weight:
GCHK-100 855g
GCHK-DRI 45g
mGARD-SYM 600g
GCHK-ZT 35g
Dimension:
See Figs. 11.1 to 11.4
Standards: CSa
I-Gard reserves the right to change specifications of its
products without notice.
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SpecificationS