Ground Fault and Ground Continuity – Protection Panel GFGC
8 GFGC_D00395_00_D_XXEN/05.2019
Technical data: Ground continuity monitor GM420
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Rated voltage
AC 400 V
Rated impulse voltage/pollution degree
4 kV/3
Protective Separation (reinforced insulation) (A1, A2) - (E, KE) - (11, 12, 14) - (21, 22, 24)
Voltage tests to IEC 61010-1:
(E, KE) - [(A1, A2), (11, 12, 14)]
3.32 kV
(E, KE) - (21, 22, 24)
2.21 kV
(A1, A2) - (11, 12, 14) - (21, 22, 24)
2.21 kV
Supply voltage
Supply voltage
U
S
AC/DC 70…300 V
Frequency range of
U
S
15…460 Hz
Power consumption
≤ 3.5 VA
Measuring circuit
Loop resistance
R
m
Measuring range
R
m
0…100
Ω
Measuring current
I
m
DC 20 mA
Measuring voltage
U
m
≤ DC 24 V
Extraneous voltage
U
f
Measuring range
U
f
AC 0…50 V
Rated frequency
f
n
42…460 Hz
Measuring loop disconnection at
U
f
≥ 12 V
Measuring loop reconnection
≤ 10 V
Extraneous voltage
U
f
≤ 440 V
Permissible extraneous DC voltage without measurement influence
DC 0 V
Response values
Loop resistance > Alarm 1
0.1…100
Ω
Resolution of setting
R
= 0…10
Ω
0.1
Ω
Resolution of setting
R
= 10…100
Ω
1
Ω
Time behavior
Start-up delay
t
Adjustable 0…99 s
Response delay
t
on1/2
Adjustable 0…99 s
Delay on release
t
off
Adjustable 0…99 s
Operating time
t
ae
in case of open loop connection (R > 50 k
Ω
)
≤ 40 ms
t
ae
in case of closed loop connection (> R)
≤ 500 ms
t
ae
in case of extraneous voltage (> V) and overload (OL)
≤ 100 ms
Response time
t
an
t
an
=
t
ae
+
t
on1/2
Recovery time
t
an
≤ 300 ms
Recovery time
t
ab
after disconnection for safety reasons
≤ 1 s
Switching elements
Number of switching elements
2 SPDT contacts
Operating principle, adjustable
normally energized or de-energized operation
Electrical service life under rated operating conditions
10,000 switching cycles
Contact data acc. to IEC 60947-5-1
Utilization
category
AC-13 AC-14 DC-12 DC-12 DC-12
Rated operational voltage
230 V 230 V
24 V 110 V
220 V
Rated operational current
5 A
3 A
1 A 0.2 A
0.1 A
Minimum contact load 1 mA at AC/DC ≥ 10 V
Fault memory behavior
Latching or non-latching operation
Connections
Connection type specification for Screw terminals
Rigid/flexible conductor sizes
AWG 24…12/24…14
Stripped length
0.31…0.35 in (8…9 mm)
Tightening torque
0.36…0.44 ft-lb (0.5…0.6 N-m)
Connection type specification for Push-wire terminals
Rigid/flexible conductor sizes
AWG 24…14
Flexible with core end sleeve
AWG 24…16
Environment/EMC
EMC
IEC 61326
Operating temperature
- 13…+ 131 °F (- 25…+ 55 °C )
Climatic class acc. to IEC 60721
Stationary use (IEC 60721-3-3)
3K5 (except condensation and formation of ice)
Transport (IEC 60721-3-2)
2K3 (except condensation and formation of ice)
Long-time storage (IEC 60721-3-1)
1K4 (except condensation and formation of ice)
Classification of mechanical conditions IEC 60721
Stationary use (IEC 60721-3-3)
3M4
Transport (IEC 60721-3-2)
2M2
Long-time storage (IEC 60721-3-1)
1M3
General data
Operating mode
continuous duty
Mounting
any position
Protection class, internal components (IEC 60529)
IP30, NEMA 1
Protection class, terminals (IEC 60529)
IP20, NEMA 1
Enclosure material
polycarbonate
Screw mounting
2 x M4
DIN rail mounting acc. to
IEC 60715
Flammability class
UL94V-0
Weight
≤ 0.33 lb (150 g)
Technical data: GFGC panels
System voltage (universal)
120 , 208 , 208/120, 277, 480, 480/277, 600 V
Enclosure rating
NEMA 4
Enclosure size, 30 A panel
12" x 12" x 6"
Enclosure size, 60 A and 100 A panel
16" x 12" x 6"
Fuse Rating
Class CC Time Delay Fuse, 8/10 A, 600 VAC
Ground fault protection
See RCMA421H technical data
Ground continuity protection
See GM420 technical data
